Products with JIS certification are easier to install compared to gap blocks! Significant reduction in construction time!
It helps secure evacuation routes during disasters as an emergency escape staircase and is useful for disaster prevention and mitigation measures.
A flow control chamber that temporarily stores rainwater and other water in a reservoir and gradually releases it through an orifice box.
Harmonizing with the surrounding landscape! We are increasing the size of the stacked blocks to improve workability.
Large stacking blocks with a wall slope of 1:0.5 that can be used for roads, rivers, and residential land development.
Ideal for construction in narrow sites! A self-supporting retaining wall method that does not require a base slab, offering high flexibility during construction.
A comprehensive catalog featuring various shapes and dimensions of concrete products for roads!
The allowable shear stress is τca=0.26 N/mm²! Introduction to L-type retaining walls in accordance with road earthwork retaining wall guidelines.
No formwork required, shortening construction time! Soil retaining blocks that can be installed using small machinery instead of manual labor.
Vertical construction of about 3m is possible! The CP formwork has excellent workability that allows for 100% effective use of the site.
End timber for circular formwork that does not require hole processing in the formwork due to the use of a round separator.
Introduction to a hybrid retaining wall method using steel pipe piles and concrete panels.
Even in areas regulated for land development, it can be used freely! Contributing to effective land use and labor-saving in operations!
Pump and valve storage box, well pit, pump pit. Please make use of it to address labor shortages and shorten construction periods on site!
It temporarily stores rainwater and gradually returns it to the earth (underground). It also plays a role in recharging groundwater.
Minister of Land, Infrastructure, Transport and Tourism certified product compliant with the Soil Retention Regulation Law! An L-shaped retaining wall for residential construction with a 4cm cover for rebar, excellent durability.
The uniformly distributed load is 10 kN/m²! It complies with the standards of the Building Standards Act and the Land Development and Urban Planning Act for residential land development.
A curved block that can be constructed as a three-dimensional curved wall, like the stone walls of a castle, in a traditional Japanese aesthetic space!
Earthquake-resistant wall construction method certified for large and medium earthquakes! Manufactured under consistent quality control by certified factories!
If it's about OC reverse L-shaped retaining walls, leave it to us.
A wide variety of products such as road products and water supply and drainage products are featured!
High quality reflecting the results of seismic experiments! L-shaped retaining walls for residential construction that can withstand large-scale earthquakes.
You can expect drainage functionality, sound absorption effects, and a reduction in brightness!
Strong and beautiful concrete products and methods. Unique and stylish paving materials that match any scene. Numerous case photos and technical information are also included.
The construction is simple and allows for a shortened construction period! A retaining wall method that can accommodate the limited construction conditions in urban areas.
Introducing precast concrete products with a rectangular cross-section that can rapidly construct self-supporting retaining walls.
For disaster prevention measures, such as securing evacuation routes during emergencies, as an emergency escape staircase. Can be retrofitted to retaining walls, riverbanks, and the walls of waterways!
The process of disassembling the inner formwork has been omitted, significantly shortening the procedure! It can be easily constructed to the specified slope!
Products that meet PRCA inspection standards with a 5-degree slope and a height of 8m or less! No need for formwork installation or removal, allowing for labor savings and cost reduction.
Matches the surrounding environment! The increase in block size and mechanical construction enables shortened construction periods and labor savings.
Over 20 years of weather resistance in accelerated weathering tests! Construction that guarantees reliable results is possible.
Completely custom-made. Leave it to us for small-end stop blocks and partition blocks.
Effective land use with vertical walls! Retaining walls for residential and road construction that achieve shortened construction periods and labor savings.
Smooth movement, easy installation, and hassle-free safe removal! Reverse T-shaped retaining wall for stockyards.
A road reverse L-shaped retaining wall with a height of up to 5.0m, ideal for construction sites where excavation on the back side is difficult.
Drain cover cap for sealing the handle holes of concrete drain covers! It prevents coins, keys, and other items from falling into the handle holes of concrete drain covers!
A rich lineup that can fully meet our customers' needs!
No waste materials, no environmental pollution! Achieving clean construction with unique technology.
Designed for a uniformly distributed load of 10 kN/m²! "50F to 250F" has obtained JIS II class certification.
Introducing our lineup of "F-type foundation blocks" and "drop cover U-shaped drainage covers"!
This is an L-shaped retaining wall that complies with the guidelines for road geotechnical retaining walls.
It is a hybrid structure with excellent drainage properties that can reduce the excavation and backfill volume of the back slope.
For roads, rivers, and construction purposes! A substitute for natural stone (rock) with interlocking blocks.
Can be used for soil retention and general construction on the sidewalk and roadway from an economic perspective! Can be installed by lifting horizontally.
Introducing our lineup of large reverse T-shaped retaining walls certified for residential construction, including Type M, Type B, Type G, and Type Ke!
Applicable to vertical embankments up to approximately 15 meters! It allows for effective land use with minimal land width required.
Just by applying water, you can create a thin, highly durable, water-resistant, and fire-resistant concrete surface that is soft and easy to install! After hydration, it is highly durable! Also suitable for seawater!
Widely usable for various construction grounding electrodes! Excellent in maintaining long-term grounding resistance reduction effects.
100% land use is possible up to the property boundary line! We won't waste valuable land.
A convenient and reliable plate for leveling L-shaped retaining walls and gutters.
It can be used as an environmentally friendly block.
Cleared experiments for seismic resistance, pressure resistance, and durability! L-shaped retaining walls that eliminate the need for on-site pouring and achieve shortened construction periods.
A large number of concrete products such as environmental types, retaining walls, and culverts are featured!
A framework block that can protect the surface layer of cut and fill slopes! Prevents erosion and surface sliding.
A reinforced concrete L-shaped retaining wall that makes efficient use of the site!
We offer a variety of sandbags and drainage materials! Introducing our extensive lineup.
Constructing safe and beautiful embankment retaining walls with our unique wall joint technology!
Design considering the soil in front of the retaining wall and the active earth pressure! For ALW-R1-80 and above, the top surface will have a free slope of 0 to 10%.
Products made from rolled thin plate steel. Used in various structures of prestressed concrete. There are also polyethylene versions available.
Shortening construction time and labor-saving! It has become possible to differentiate residential land, allowing for the creation of uniquely characterized residential developments.
L-shaped retaining wall capable of withstanding major earthquakes with a durability of 100 years!
Recycled plastic retaining wall retrofitted stairs
The minister has certified a lineup of L-shaped retaining walls for residential construction, including reinforced concrete L-shaped retaining walls!
In the construction of the mountain line section, a minimum curvature radius of 30m is possible! Reinforced concrete L-shaped retaining wall with an ideal cross-sectional shape.
Flexible construction method! A retaining wall that boasts high seismic resistance and excellent drainage while being economically advantageous.
Precast concrete retaining wall certified by the Minister of Construction!
L-shaped retaining wall designed for sand and sandy soil.
Excellent permeability, suitable for use from slope protection to steep embankments! A concrete retaining wall boasting high durability.
Large blocks for riverbank protection that help with nature conservation and secure the ecosystems of insects and juvenile fish.
Blocks arranged on a gentle slope to ensure the stability of the slope.
We accommodate all conditions! Introducing a wide range of "retaining walls"!
Manufactured under consistent quality control by a certified factory! Obtained certification under Article 14 of the Enforcement Order of the Land Development and Urban Planning Act.
We offer two types: a 250mm type and a 300mm type that can accommodate the installation of soundproof walls and other features!
Reinforced concrete structure! It can reduce the amount of concrete poured on-site, leading to cost reduction.
We have a wide variety of natural stones and materials, including iron flat stones, white granite, and white jade!
Introducing measures such as permeable ditches, permeable pits, permeable wells, and rainwater runoff control (storage and infiltration)!
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Supports half-finished products and slanted cuts at the top! Effective for retaining soil in neighboring properties with high ground levels.
Reduction of working hours is possible! Assembly, installation, and construction of concrete catch basins and street gutters manufactured in our own factory on-site.
We are seeking ideas related to "challenges and plastic molded products" in product development and design! Please feel free to submit your concepts and images.
Significant shortening of construction time is possible with mechanical construction! A fence can be installed at the top.
Leave the L-shaped retaining wall with vehicle protection fence foundation to us.
With precast products and support holes, installation of the product and the protective fence can be completed in a short period of time.
From retaining walls to blocks. Leave the manufacturing of precast concrete to us.
It can be used for a wide range of applications such as drainage ditches and waterway bridges (covers).
Acquisition of ministerial certification for retaining walls in response to major earthquakes!
Introduction of various concrete products, starting with agricultural drainage channels! Includes construction examples.
An astonishing lightness of less than 22 kg per square meter! Cheaper, safer, and of higher quality than conventional concrete slabs!
We offer two types: standard type and snow-resistant type.
Ensuring complete sliding stability! A construction method that minimizes the time to lift the retaining wall and excels in safety.
Highly versatile L-shaped retaining walls for roads. Available in a lineup up to 5.0m with a 250mm pitch.
Manufactured in 1-degree increments from 90 degrees to 150 degrees! Corner retaining walls that can withstand large-scale earthquakes.
A retaining wall with integrated drainage features, including a waist stop retaining wall, drop cover type U-shaped gutters, and L-shaped gutters. It contributes not only to shortening construction time but also to maintaining aesthetics and ensuring road visibility!
Easy assembly work! Concrete formwork panels
Concrete blocks with uneven surfaces that can create various shapes by stacking.
Concrete product clothes drying rack (concrete base)
Connecting the ancient and the modern, leaping into the future.