ロンタイ List of Products and Services

In this document, you can find the required quantity of vegetative soil bags "Green Bags," construction drawings and labor costs for each method, as well as the necessary soil volume. A table is included that calculates the required quantity based on slope and length. If you are considering vegetative soil bags and have concerns about construction, please make use of this information. 【Contents】 ◎ Required soil volume for vegetative soil bags ◎ Soil bag usage table based on slope and length ◎ Construction drawings and labor costs for different scenarios (small pile stacking / side stacking / 10% slope for embankments / 6% slope for embankments / grass-lined ditches) *This document can be viewed immediately via "PDF Download." Please feel free to contact us with any inquiries.

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A flowchart is provided that allows you to find the appropriate construction method simply by selecting construction conditions such as soil type and degree of weathering! If you are considering slope greening, please use this for selecting the construction method. This is an intermediate-level document, so if you haven't looked at the beginner-level document, please scroll down and first download the "Beginner-Level Document"! [Contents] ■ Types and characteristics of slope greening methods (spraying, artificial turf laying, etc.) ■ Reasons why Rontai recommends artificial turf laying ■ A "flowchart" that easily shows the construction method suitable for site conditions ■ Information about slope surveys conducted for free by Rontai We also answer frequently asked questions from customers! Can the seed mixture be changed? What is the difference between vegetation sheets and vegetation mats? Do you sell materials other than products (fertilizers, fasteners, etc.)? And more. If you're interested, please check the document from "PDF Download" ◎ Feel free to contact us!

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At Rontai, we handle products that are active in "early slope greening." The erosion control vegetation mat "Kilket M type" is a product designed for cut slopes, boasting one of our highest levels of erosion control effectiveness. You can choose from three grades according to the site conditions. Additionally, the erosion control vegetation sheet "Kilket S type" is a product for embankments and cut slopes that demonstrates excellent erosion control effectiveness. It can prevent sediment inflow into rivers and other bodies of water, achieving both erosion control and greening! Both products use a special polyester non-woven fabric. 【Features of Polyester Non-Woven Fabric】 ■ Mitigates rain drop impact ■ Exhibits high erosion control effectiveness ■ Allows plants to penetrate and grow ■ Quickly drains excess water ★ We are currently offering materials rich in construction photos! Please check the download for more details.

• Other construction services

This is a pin made of eco-friendly biomass plastic. It is ideal for sites where environmental considerations are important and where grass cutting is necessary for maintenance! Introducing Bioplag. ~Features~ ◎ Biodegradable - The raw material is corn. It is made of polylactic acid resin. ◎ Improved Workability - It is lighter than iron pins, allowing for more to be carried in a waist pouch, which leads to increased efficiency. ◎ Safety - When cutting grass, iron pins could damage the blades of the mower or fly off, but Bioplag can be cut by the mower, ensuring safety. For more details, please feel free to contact us.

• Slope protection material

Our company offers products that are effective for "early greening and erosion prevention" at restoration sites where slopes have collapsed due to natural disasters. The vegetation mat for cutting, "Ronquet DX," promotes seed germination and growth through high water retention and nutrient-holding soil amendments, achieving early greening. Additionally, a special polyester non-woven fabric prevents surface erosion and sediment runoff! The vegetation bag "Green Bag" is covered with seeds and fertilizers on all sides, allowing for installation regardless of direction or orientation. Simply fill and install with locally generated soil to achieve greening, and it is also used for backfilling collapsed slope areas. Ronquet DX - Enables speedy construction as no construction machinery is required. - Offers four grades to choose from based on soil type and conditions. - Compatible with wire mesh products. Green Bag - Effective for protecting structures and preventing sediment runoff behind retaining walls. - Can achieve greening even at the ends of bags in favorable moisture conditions. - Fully equipped with seeds and fertilizers. *You can view materials with construction examples from the "Download" section.

• Other civil engineering works

"Shirokumatt" is a vegetation mat that uses natural palm netting as a covering material, which has thermal insulation, moisture retention, and erosion prevention effects. Due to its high flexibility, it conforms well to the unevenness of the ground, making installation easy. The base material bag contains fertilizer that dissolves slowly, providing long-term greening effects. [This product addresses the following issues] ■ I want to green soft rock slopes. ■ I want to shorten the construction period and reduce costs as much as possible. ■ I want to green slopes with significant undulations. *For more details, please refer to the materials. Feel free to contact us with any inquiries. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Slope protection material

The straw-covered turf "Ronquet Wara" uses natural straw as the covering material, creating an environment suitable for plant growth through the insulation, moisture retention, and erosion prevention effects of straw, effectively protecting embankment slopes. It balances reasonable pricing with high functionality and has numerous implementation records in road construction, land development projects, and field maintenance works. Additionally, it contributes to environmental conservation as it is decomposed by soil microorganisms. 【Related products using straw are also available】 ■ "Ronquet Keeper"… Demonstrates high erosion prevention effects through the combined effect of straw and non-woven fabric. ■ "Ronquet Mosana"… Adds fertilizer and soil improvement effects to straw. ■ "Mosquet"… Attaches a net to straw clumps to prevent straw scattering due to strong winds. ■ "Ronquet Orga"… All components, including nets and paper, are 100% naturally decomposable. ■ "Ronquet De Agrin"… Uses biodegradable plastic for the braided yarn. ★ We are currently offering materials that include product introductions, straw characteristics, construction examples, and more! Please check them out by clicking the "Download" button.

• Slope protection material

When designing greening for embankments, Are you worried about whether plants will grow? Do you want to prevent erosion caused by rainfall? Do you want to choose a method that is inexpensive, safe, and environmentally friendly? If you have such concerns, "Ronkett Keeper" can solve them! Ronkett Keeper is a turf product for embankments made by combining "straw" and "special non-woven fabric." It not only prevents soil and seed runoff with its high erosion control effectiveness but also creates a favorable environment for plant growth with its insulation and water retention properties. It is particularly effective for weak soil types against rainfall, contributing to "early greening" and "erosion prevention"! Additionally, the "tension" of the non-woven fabric makes it easy to cut, improving workability compared to our conventional products. *We are currently offering materials that include necessary cross-sectional drawings, floor plans, and work estimates for design! Please feel free to contact us.

• Other construction services

Rontai offers vegetation sheets and turf made from the natural resource "straw." Natural straw decomposes and returns to the soil, creating an organic layer that serves as an effective growth medium for plants, making it the best material for greening cover. 【Characteristics of Straw】 ■ Erosion Prevention By protecting slopes with straw, it prevents rainwater from directly entering the ground. ◎ Mitigation of raindrop impact ◎ Reduction of surface water flow speed ◎ Decrease in surface water due to straw's water absorption ■ Insulation and Water Retention It blocks direct sunlight and regulates moisture in the ground. ◎ Suppression of surface soil drying ◎ Blocking of direct sunlight ■ Heat Retention It protects seeds from low temperatures in winter. ◎ Protection of seeds from low winter temperatures ◎ Maintenance of germination rates during winter ■ Environmental Conservation Straw contributes to the conservation of the surrounding environment. ◎ After plant establishment, straw decomposes into nutrients ◎ Does not affect the original surrounding environment or ecosystem ◎ Captures airborne seeds Straw maximizes the use of natural forces to promote seed germination and plant growth. *For more details, please refer to the catalog or feel free to contact us.

• Civil Engineering Sheet

Site Conditions: Cut soil (clay soil) Usage: General road Construction Location: Kameoka City, Kyoto Prefecture Construction Date: February 2021 Seed Mixture: Native species + non-native species mixture Construction Area: 229 square meters Initially, the plan was to use seed scattering work, but it was changed to Ronket DX4 type. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more details, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

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Construction Date: May 2019 Product Name: Ronket DX Type 3 Site Conditions: Cut soil (sandy soil) Construction Location: Sendai City, Miyagi Prefecture Application: Solar power generation Construction Quantity: 624 square meters Seed Mixture: Mixed with non-native species (long grass and short grass) Due to the exposure of some hard soil and the urgent need for greening, Ronket DX Type 3 was adopted! For more details, please feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

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When designing greening for cut slopes, "Are you worried about erosion caused by typhoons or heavy rain?" "There are variations in soil conditions even at the same site." "I want to carry out disaster recovery." "I want to shorten the construction period as much as possible." Do you have any such concerns? For those with such worries, Rontai proposes 'Ronkett DX'! Ronkett DX is a vegetation mat for soft rock I and hard soil. The special polyester non-woven fabric attached to the product alleviates the impact of raindrops on the slope over a long period, and the base material bag attached helps to reduce the flow velocity of rainwater on the slope surface. It is effective for sites where early prevention of slope erosion is necessary. Additionally, you can freely choose from four types of grades according to soil type, soil hardness, and slope gradient, so even if there are different site conditions within the same site, you can respond with products from the same series. Please feel free to contact us for more details! 【For such sites!】 ◎ I want to prevent erosion caused by heavy rain. ◎ I want to shorten the construction period. ◎ I want to prioritize early greening. ◎ I want to carry out disaster recovery. *We are currently providing materials that include necessary cross-sectional drawings, floor plans, and work quantities for design!

• Other construction services

Rontai offers proposals for weed control through greening! When it comes to weed control, we often think of "cutting," "killing," or "preventing"... Rontai suggests "growing"! By cultivating a special type of short-statured plant, we create an environment that is less conducive to weed growth. The benefits of using greening for weed control include: - Easier long-term management - Improved aesthetics - Erosion prevention Our company provides comprehensive support for the management of embankment greening. Why not aim for agriculture with less mowing together with us? *For more details, please download the catalog or feel free to contact us. -------------------------------------------------- Rontai conducts free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------

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"Kilket" is a vegetation mat with one of the largest erosion prevention effects in the Longtai region. By using a special non-woven fabric, it achieves both erosion prevention and greening! ◆ Proven through artificial rainfall erosion tests ◆ The photo on the left shows three beakers lined up, containing runoff water from the artificial rainfall erosion test. The runoff water from our product Kilket (in the center) was almost clear, and no erosion was observed. By directing clean water into rivers and oceans, we protect ecosystems, which in turn safeguards people's lives. 【Features of Kilket】 - Adheres tightly to the ground due to its weight when water is absorbed, demonstrating excellent erosion prevention effects - Achieves both erosion prevention and greening - Compatible with all types of cut slope surfaces - Can be selected according to site conditions -------------------------------------------------------------------------------- Longtai offers free slope surveys at construction sites. For more details, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Slope protection material

In this catalog, we introduce a variety of products related to slope greening handled by Rontai. In addition to product introductions, we also provide basic knowledge about slope greening and information from our company website. *For more details, please download the PDF or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Slope protection material

"Ronket Keeper" is an artificial turf that prevents soil erosion and supports plant growth by attaching non-woven fabric to straw. While fully utilizing the insulation, water retention, heat retention, and environmental conservation effects of straw, the excellent weather-resistant non-woven fabric prevents the outflow of soil and seeds over a long period. Furthermore, the non-woven fabric creates a suitable "tension," making installation work and cutting easier, thus enhancing workability. 【Features】 ■ The non-woven fabric flexibly conforms to small unevenness, enhancing erosion prevention effects. ■ Uses non-woven fabric that allows plants to penetrate through. ■ Achieves a favorable growth environment for plants with the water retention, heat retention, and insulation effects of straw. ■ Available for purchase at a low price. ---------------------------------------- Rontai offers free slope surveys at construction sites. For more details, please contact your nearest branch or sales office. ----------------------------------------

• Planting work

"Biodegradable Lonkette Ace" is a vegetation sheet made from biodegradable materials that naturally decomposes. When maintaining the slopes after installation, the entanglement with grass cutting machines is significantly reduced. Additionally, we use our original vegetation paper "Peat Papyrus," which incorporates peat moss known for its excellent soil improvement effects. It is ideal for greening in poor soil conditions! 【Features】 ■ Environmentally friendly ■ Market-priced product ■ Naturally decomposes ■ Ideal for poor soil ■ Water retention effect of Peat Papyrus and nutrient retention effect of soil improvement material ■ Achieves early greening *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------

• Planting work

The "Pillow Green Bag" is a slender type of vegetation bag that is ideal for preventing erosion on slopes and greening backfilled areas. When arranged along the slope, it prevents rainwater infiltration and erosion, protecting the vulnerable slope areas. Additionally, it allows for simultaneous greening during backfilling of vertical drainage ditches and foundation areas! It is covered with seeds and fertilizer on all sides, making it possible to install in any orientation. 【Features】 ■1 package: 200 pieces ■Due to its slender shape, it is perfect for filling gaps in waterways and blocks! ■Proven track record in erosion control and road improvement projects! ■The amount of fill soil required is about half of conventional bags! ■Lightweight, making it easy to transport! *Please download the construction case collection from the form below.

• Sandbags

We would like to introduce a construction case using "Ronkettawara," which has a high effect on preventing initial erosion and is capable of soil improvement! In addition to details such as the construction conditions and quantities of Ronkettawara used in disaster recovery and road improvement projects, we have included photos showing the progress of greening after construction. For a limited time, we are offering a free case study collection! 【Featured Case】 ■ Project Name: Doki River Upstream Maintenance Project <Kagawa Prefecture> ■ Conditions: Embankment (sandy soil) ■ Application: River and erosion control ■ Construction Quantity: 1200m2 *For more details, please refer to the catalog or feel free to contact us. ———————————————————————— Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. ————————————————————————

• Soil improvement material

We would like to introduce a construction case using the embankment vegetation sheet "Ronkette Ace," which can suppress initial erosion and promote germination through the use of netting and non-woven fabric! In addition to details such as the construction conditions and quantities of Ronkette Ace used in embankment improvement and maintenance projects, we have included photos documenting the greening process after construction! For a limited time, we are offering a free collection of case studies! [Featured Case] ■ Project Name: Agricultural, Mountain, and Fishing Village Area Improvement Grant Forestry Road Otagawa Forestry Core Line Construction <Hiroshima Prefecture> ■ Conditions: Embankment (clay soil) ■ Purpose: Erosion control / Forestry road ■ Construction Quantity: 700m² *For more details, please refer to the catalog or feel free to contact us. —————————————————————— Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. ——————————————————————

• Planting work

We would like to introduce a construction case using "Ronquet DX," which allows for the selection of the number of substrate bags to be attached according to soil hardness and slope. In addition to details such as the construction conditions and quantities of Ronquet DX used in disaster prevention works and preservation and repair works at historical sites, we have included photographs showing the progress of greening after construction. Currently, we are offering a free collection of case studies! 【Featured Case】 ■ Project Name: Special Emergency Works for Severe Disaster Prevention (Area 25-1, Nezume Yamamoto District) <Kagoshima Prefecture> ■ Conditions: Cut soil (hard soil) ■ By Application: Rivers and Erosion Control ■ Construction Quantity: 200m2 *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Planting work

We would like to introduce a construction case using the "Double Ronquet Anaconda," which excels in cost-effectiveness and can adapt to a wide range of conditions. In addition to details such as the construction conditions and quantities of the Double Ronquet Anaconda used in civil engineering and road improvement projects, we have included photographs showing the progress of greening after construction. Get a free case study collection now! [Featured Case] ■ Project Name: Walnut District Comprehensive Grant for Erosion Control (Landslide) Civil Engineering Work <Toyama Prefecture> ■ Conditions: Cut earth (plastic soil) ■ Application: River and erosion control ■ Construction Quantity: 1196m² *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Planting work

We would like to introduce construction examples using "Shirokumatt T-20," which can be applied in areas where large machinery cannot be used, allowing for construction on small surfaces, and "Shirokumatt T-30," which enables greening even on slopes where securing a location for vegetation substrate spraying machinery is difficult. In addition to details such as the construction conditions and quantities of Shirokumatt used in pavement exterior work and sidewalk installation, we have included photographs documenting the progress of greening after construction. 【Featured Example】 ■ Project Name: (Northern) Itodaoka Nanakamimawari Line Pavement Exterior Work <Hyogo Prefecture> ■ Conditions: Cut soil (soft rock) ■ Usage: General road ■ Construction Quantity: 610m² *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Planting work

We would like to introduce a construction case using "Green Back," which allows for greening simply by filling in local soil, as it comes equipped with seeds and fertilizer. In addition to details such as the construction conditions and quantities of Green Back used in private projects and road improvement works, we have included photos showing the progress of greening after construction! For a limited time, we are offering a free collection of case studies! 【Featured Case】 ■ Project Name: Private Construction (Takaue 5-chome Tower and Residential Land Development) <Kagoshima Prefecture> ■ Conditions: Other ■ Purpose: Development/Park ■ Quantity: 300 sheets *For more details, please refer to the catalog or feel free to contact us. ---------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. ----------------------------------------

• Sandbags

Ronquet DX is a vegetation mat for soft rock I and hard soil. The special non-woven fabric made of polyester attached to the product alleviates the impact of raindrops on slopes over a long period, while the substrate bag reduces the flow velocity of rainwater on the slope surface. It is effective for sites where early erosion prevention on slopes is necessary! You can freely choose from four types of grades according to soil type, soil hardness, and slope gradient, so even if there are different site conditions within the same location, you can use products from the same series. *Please download the construction case collection from the form below. 【Features】 ◆ Disaster recovery through early greening ◆ Achieves speedy construction ◆ Initial erosion prevention effect ◆ Compatible with various site conditions -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more details, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

Rontai offers vegetation sheets and turf made from the natural resource "straw." Natural straw decomposes and returns to the soil, creating an organic layer that serves as an effective growth medium for plants, making it suitable as a greening cover material. We have a proven track record across various regions in Japan. 【Benefits of Using Straw】 ■ Erosion Prevention → Reduction of runoff water due to straw's water absorption, slowing down flow velocity → Moisture gradually seeps into the soil ■ Insulation and Water Retention → Suppression of surface soil drying, blocking direct sunlight → Straw supplies moisture to the soil, enhancing water retention ■ Minimal Environmental Damage → After plant establishment, straw decomposes into nutrients ■ Insulating Effect → Protects seeds from low temperatures in winter, maintaining germination rates during overwintering *For more details, please refer to the catalog or feel free to contact us.

• Civil Engineering Sheet

We would like to introduce the plants used in Ron Tai's products. You can view details such as lifespan, grass height, and growth type. 【Corresponding Seeds】 ■ Grasses (7 species for winter grasses, 2 species for summer grasses) ■ Herbaceous plants (5 species) ■ Leguminous grasses (1 species) ■ Woody plants (4 species) *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Ron Tai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Slope protection material

The "Double Anaconda Net I-40" is a fiber net for spraying that is equipped with fertilizer bags. Thanks to the slow-release fertilizer inserted into the fertilizer bags and the high moisture-retaining soil amendment, the fertilizer effect lasts for a long time without causing concentration disorders. For cut slopes with a lot of gravel where greening tends to be uneven, it is effective to increase the thickness of the seed spraying◎ 【Features】 ■ Market unit price product ■ Corresponds to fiber net construction (with fertilizer bags) ■ Long-lasting fertilizer effect ■ Double net that is resistant to damage ■ Adaptable to a wide range of conditions *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Slope protection material

"Rontai Seed" is a spray application material for small areas that can be easily used with just a bucket and watering can, without the need for machinery. It is designed for convenience, with one set covering 50 square meters! 【Features】 ■ No machinery required ■ One set covers 50 square meters ■ Simple application method *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Slope protection material

"Bejitai" is a vegetation bag for cut and fill that is created on-site. By using local topsoil that contains buried seeds and mixing in local seeds, the establishment of vegetation with native species is expected! (Please add soil amendments according to the soil characteristics of the local soil.) 【Features】 ■ Allows for strip greening on hard cut slopes ■ Good germination and growth ■ Greening with local plants is also possible *This product does not contain soil. *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------

• Lightweight embankment material

"Forest Taro" is a vegetation mat with fertilizer bags that effectively utilizes thinning wood, which is usually discarded. Thinning wood is placed at the attachment points of the fertilizer bags, enhancing long-term fertilizer effects and improving water retention. It also effectively promotes the proliferation of microorganisms, fostering a good coexistence relationship with plants. Since part of the net uses cotton thread, it will decompose after installation, allowing for the growth of woody plants without hindering trunk expansion. 【Features】 ■ Improved water retention and insulation ■ Good plant growth due to soil microorganism proliferation ■ Does not hinder trunk expansion ■ Possible to incorporate locally sourced thinning wood *For more details, please refer to the catalog or feel free to contact us. ---------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. ----------------------------------------

• Civil Engineering Sheet

"Rontai" is a small-scale artificial turf designed for embankments, boasting 60 years of bestseller status. It promotes the growth of plants in a strip pattern, preventing erosion. With excellent air circulation in the soil, root development is favorable. This greening method retains fertilizers in the soil, minimizing nutrient loss! 【Features】 ■ 60 years of bestseller product ■ Prevents erosion by promoting plant growth in a strip pattern ■ Excellent air circulation, leading to good root development ■ Retains fertilizers in the soil, reducing nutrient loss *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------- Rontai offers free site surveys for embankment construction. For more information, please contact your nearest branch or sales office. --------------------------------------------------

• Civil Engineering Sheet

"Ronquet Net" is a lightweight vegetation sheet for embankments that excels in workability. Despite its low cost, it comes with a net to prevent initial erosion. It uses a polyethylene net as the covering material. Seeds and fertilizers are applied using our unique heat seal method, allowing for uniform germination without inconsistencies. Additionally, we offer a 50cm width that is ideal for embankment shoulder construction. 【Features】 ■ Lightweight ■ Low cost ■ Prevents initial erosion ■ Uses polyethylene net ■ Available in a 50cm width, perfect for partial greening ■ Includes 6 stakes per square meter Please scroll down to find materials such as catalogs, case studies, and construction methods available for download! -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more details, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

"Ronkette Ace Jeep" is a vegetation sheet that can be expected to provide efficient fertilization effects by using both fast-acting and slow-release fertilizers. Equipped with a high water-absorbing resin that is resistant to salts as a water-retaining agent, it enables efficient greening in combination with the fertilization effects. After rainfall, the highly flexible rayon material web cotton adheres closely to the ground, promoting seed germination! 【Features】 ■ Vegetation sheet for embankments (without fertilizer bag) ■ Market-priced product ■ Ideal for dry soil ■ Uses slow-release and fast-acting fertilizers ■ Stable seed germination ■ Can accommodate larger granular seeds *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------

• Civil Engineering Sheet

The "Ronkette DX" by Rontai is a vegetation mat that enables stable plant growth on slopes where root extension is difficult, such as soft rock and hard soil, while preventing surface erosion. This product allows for the selection of the number of base material bags to be attached according to soil hardness and slope, making it adaptable to different construction conditions at the same site! Additionally, it is equipped with a highly water-retentive soil amendment that protects seeds from drying out like a cover soil, improving plant germination and growth. 【Features】 ■ Achieves early greening ideal for disaster recovery ■ Can be installed in narrow spaces ■ Initial erosion prevention effect ■ Compatible with wire mesh products *For more details, please refer to the catalog or feel free to contact us.

• Civil Engineering Sheet

"Ronkette de Green" is a biodegradable turf. In the early growth of plants, it demonstrates the thermal insulation, water retention, and erosion prevention effects of straw. After sufficient growth, everything decomposes. The biodegradable plastic threads woven with straw are decomposed by microorganisms, reducing the burden on the ecosystem. It is ideal for sites where consideration for the surrounding environment is important! 【Features】 ■ All materials used are naturally returned to the environment ■ High effectiveness in preventing initial erosion, utilizing naturally decomposing straw ■ Protects vegetation from drying during low temperatures, high temperatures, and drought ■ Easy maintenance *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

Rontai's "Muskete" is a turf mat for cutting and embankment that has an outstanding erosion prevention effect due to the combination of net, straw, and peat papyrus. For slopes with soil types that are prone to erosion, straw provides a high initial erosion prevention effect, protecting the growth foundation of plants. Furthermore, the covering of straw enhances water retention and insulation, protecting vegetation from various damages such as low temperatures in midwinter, high temperatures in midsummer, and dryness during droughts. 【Features】 ■ Outstanding erosion prevention effect ■ Contributes to improving the soil environment of poor land with peat papyrus and straw ■ Straw's water retention and insulation promote germination and growth ■ Unique heat seal method prevents loss during transport and allows for uniform germination ■ An erosion flap is installed to prevent erosion at overlapping sections *For more details, please refer to the catalog or feel free to contact us.

• Civil Engineering Sheet

"Ronkett Spider" is a high-performance turf for cutting and filling that enhances water retention and nutrient supply, offering excellent cost performance. It is equipped with water-absorbent bags that use water-absorbing polymers and slow-release fertilizers. This not only assists in the water retention of slopes that tend to dry out but also maintains the fertilizer effect over a long period. 【Features】 ■ Erosion prevention with water-absorbent bags ■ Assistance in slope water retention ■ Long-lasting fertilizer effect ■ Lightweight product *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

"Green Base" can be used not only for erosion control projects but also for the restoration of slopes where vegetation has declined and for strip greening on hard cut slopes. It is effective for introducing wildflowers that require a large amount of fertilizer and slow-growing woody plants (flower and woody plant mixtures are custom orders). 【Features】 ■ Vegetation bags for cut and fill ■ Excellent workability ■ Can be combined with other vegetation methods ■ Strip greening is possible *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Wall and rooftop greenery

Rontai's "Shirokumatt" is a vegetation mat that is highly flexible and can be used on steep and uneven slopes. It can be installed in areas where large machinery cannot be used, starting from small areas, and it is easy to cut the product during installation. The attached substrate bag has high water retention, reducing stress from plant drying, and promotes healthy growth even for slow-growing woody plants. 【Features】 ■ Usable on steep and uneven slopes ■ Installable in areas where large machinery cannot be used ■ The surface palm net is made from natural palm fibers ■ A lineup tailored to the ground being used *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

The "Killket S Type" from Rontai is an erosion control vegetation sheet that allows for greening while preventing soil erosion. The non-woven fabric for erosion control adheres closely to the ground, suppressing soil particles, which results in a high erosion prevention effect against sediment runoff. Since the flowing water moves through the non-woven fabric, it is possible to suppress the occurrence of muddy water. In an erosion test conducted with artificial rainfall for one hour, the runoff liquid from Killket was almost clear, and no erosion was observed. 【Features】 ■ High erosion prevention effect ■ Greening while preventing erosion ■ Available in seed-containing and seed-free types *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

Rontai's "Killket M Type" is a vegetation mat for cutting earth that allows for greening while preventing soil erosion. The non-woven fabric for erosion prevention adheres closely to the ground, suppressing soil particles, thus demonstrating a high effectiveness in preventing sediment runoff. Additionally, this product includes a sheet layer containing seeds and fertilizers, enabling greening while preventing erosion. 【Features】 ■ High erosion prevention effectiveness ■ Greening while preventing erosion ■ Equipped with soil improvement materials (High moisture-retaining materials are used in the fertilizer bag, and high water-retaining materials are used in the substrate bag) *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Soil improvement material

The "Ronkettoga" handled by Rontai is a turf for embankments that is environmentally friendly, as all the materials used are biodegradable and decompose naturally. The straw used has high insulation properties and significant water retention, protecting small young plants from temperature fluctuations and dryness. Additionally, it has a high erosion prevention effect, making it ideal for introducing native species with slow initial growth and short grass species with low erosion prevention effects. 【Features】 ■ Biodegradable turf for embankments ■ Prevents straw scattering due to strong winds ■ Reduces entanglement with grass cutting machines *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

"Ronquet Ace" is a vegetation sheet for greening embankments that achieves a high seed germination rate due to its adhesion to the soil. 【Features】 ■ Vegetation sheet for embankments ■ Market-priced product ■ Ideal for poor soil due to soil improvement effects ■ Also suitable for volcanic ash soil and masa soil ■ Exhibits erosion prevention effects due to the combined effect of non-woven fabric and peat papyrus ■ Achieves early greening * Nails are sold separately. If you scroll down, you will find materials such as catalogs, case studies, and construction methods available for download! For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet

The "Double Ronquet Anaconda" handled by Rontai is a vegetation mat for greening cut slopes that provides nutrients for a longer period than fertilizer bags and forms stable greenery. 【Features】 ■ For cut slopes ■ Vegetation mat (double net with fertilizer bag) ■ Market price product ■ Achieves long-term greening ■ Compatible with a wide range of soil conditions If you scroll down, you will find materials such as catalogs, case studies, and construction methods available for download! -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more details, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

• Civil Engineering Sheet