Slag paving material - List of Manufacturers, Suppliers, Companies and Products

Slag paving material Product List

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Water-retaining composite slag paving material "Eco Cool Sand"

Water-retaining composite slag paving material "Eco Cool Sand"

Melted slag generated from civic life is turned into paving material and returned to the local community!

"Eco-Cool Sand" is an environmentally friendly paving material made from recycled waste melting slag. It uses "melted slag" from household "living waste" that has been melted down, and "blast furnace crushed slag," a byproduct of steelmaking, as aggregates. It excels in permeability and water retention, and mitigates the heat island effect through evaporation from its surface. In addition to not creating steps like blocks, it provides a non-slip and soft walking experience, reducing the burden on the legs and back, thus achieving a user-friendly pavement. 【Features】 - Excellent permeability and water retention, capable of handling rainfall of 30mm per hour - Mitigates the heat island effect through evaporation from the surface - Designated material under the Green Purchasing Law, with a recycling rate of over 80% - Flat and compliant with "Universal Design" standards - Exhibits excellent weed prevention and durability, harmonizing with the surrounding landscape *For more details, please refer to the PDF materials or feel free to contact us.

  • Exterior and paving materials <General>
  • Slag paving material

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[Case Study] Eco Cool Sand (Parking Area)

[Case Study] Eco Cool Sand (Parking Area)

Introducing the case of "Eco Cool Sand" being adopted at the Hanyu Parking Area!

The "Eco-Cool Sand" from our company has been adopted for the architectural exterior of the Hanbu PA on the Tohoku Expressway, which is gaining attention as a theme park-style parking area. The Hanbu PA "Onihei Edo-dokoro" is a new parking area that recreates the streets of Edo from 200 years ago, based on expert historical research. [Reasons for Adoption] - The rustic texture matches the retro Edo townhouses. - The permeable pavement offers high convenience for users. - The cooling effect of water sprinkling makes it refreshing in summer. - It utilizes recycled materials, promoting ecology. *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Slag paving material

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[Case Study] Color Sand (Park Stairs)

[Case Study] Color Sand (Park Stairs)

Introducing a case where permeable and water-retaining paving material "Color Sand" was used on the park stairs!

In ITO City, Shizuoka Prefecture, the permeable and water-retaining paving material "Color Sand" has been adopted for the stairs at "Komuroyama Park." "Komuroyama Park" is a natural park centered around Mount Komuro, which stands at an elevation of 321 meters and is located within the Fuji-Hakone-Izu National Park. From the panoramic observation deck at the summit, visitors can enjoy a 360-degree view of the Izu Seven Islands floating in Sagami Bay and the Amagi Mountain Range. Our product has been used for the 273 steps leading to the "Dinosaur Plaza" within this park. [Reasons why Color Sand is suitable for stairs] - Slip-resistant even in the rain - High permeability provides moisture to surrounding vegetation - Soft walking sensation reduces strain on legs and back - High weed prevention effect keeps the stairs free from grass, ensuring safe walking - Abundant color variations match the natural landscape *For more details, please refer to the PDF materials or feel free to contact us.

  • Exterior and paving materials <General>
  • Slag paving material

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[Case Study] Color Sand (Around Toilets, Barrier-Free Design)

[Case Study] Color Sand (Around Toilets, Barrier-Free Design)

Introducing examples of restroom renovations and barrier-free modifications using permeable and water-retaining paving material "Color Sand."

The permeable and water-retaining blast furnace slag paving material "Color Sand" is increasingly being adopted for restroom renovations and barrier-free construction. It is slip-resistant even when wet and suitable for wheelchair ramps. To enhance visibility, it is also possible to change the color of the ramp section during installation. Due to its excellent drainage, it is also suitable for areas around drinking fountains. 【Examples】 ■ Restroom renovation work ■ Barrier-free construction ■ Wheelchair ramps ■ Areas around drinking fountains *For more details, please refer to the PDF materials or feel free to contact us.

  • Exterior and paving materials <General>
  • Slag paving material

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[Case Study] Color Sand (Imagawa Promenade)

[Case Study] Color Sand (Imagawa Promenade)

A spacious and easy-to-walk sidewalk for drainage! Introducing the case study of the permeable and water-retaining paving material "Color Sand."

In Takaishi City, Osaka Prefecture, our permeable and water-retaining paving material 'Color Sand' has been adopted for the "Imagawa Promenade." The "Imagawa Promenade," constructed in March 2016, was previously a drainage channel where domestic wastewater flowed in, causing odors and insects to emerge in the summer, which troubled the residents. In response to calls from local residents for renovations that consider hygiene and safety, the river was converted into an underground channel, and our product, which excels in permeability and water retention, was used for the surface. It has transformed into a spacious and easy-to-walk promenade. 【Benefits of Adoption】 ■ Excellent water retention, capable of handling heavy rain of 30mm/h ■ The surface has fine bumps, making it less slippery even in the rain ■ No water splashing, making it easy to walk on even when the surface is wet ■ Soft walking sensation, reducing strain on the legs and back ■ Color options that harmonize with the surrounding landscape *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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[Case Study] Color Sand (Koso-be Town Park)

[Case Study] Color Sand (Koso-be Town Park)

Renewed with high landscape quality! Introducing examples of the use of permeable and water-retaining paving material "Color Sand."

In Takatsuki City, Osaka Prefecture, our permeable and water-retaining paving material 'Color Sand' has been adopted at "Kosobecho Park." By using the soft red color, the previously unappealing paths around the reservoir have been renewed. 【Benefits of Adoption】 ■ Disperses direct heat, reducing glare even in hot weather ■ The surface has fine bumps, making it less slippery even when it rains ■ No water splashes, making it easy to walk on even when the surface is wet ■ Provides a soft walking sensation, reducing strain on the legs and back ■ Allows for color choices that harmonize with the surrounding landscape *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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[Information] Regarding the Compatibility of Colored Sand

[Information] Regarding the Compatibility of Colored Sand

A detailed explanation of examples of performance indicators in road and shoulder pavement!

This document explains the suitability of permeable blast furnace slag pavement material "Color Sand." It includes information on the functions of road surfaces and the performance of pavements in sidewalks and bicycle paths, as well as examples of performance indicators for pavements in roadways and shoulders. [Contents] ■ Functions of road surfaces and performance of pavements in sidewalks and bicycle paths ■ Examples of performance indicators for pavements in roadways and shoulders ■ "Surface requirements" in "sidewalks" and "pavement performance" in permeable blast furnace crushed slag pavement *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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Permeable blast furnace slag pavement material "Color Sand" *Case study collection gift

Permeable blast furnace slag pavement material "Color Sand" *Case study collection gift

Adopted at Ueno Zoo's Panda Forest! A paving material that excels in permeability and water retention, with examples of surface temperatures as low as -10°C! It combines durability and aesthetic appeal.

The permeable and water-retaining paving material "Color Sand" utilizes fine porous aggregate known as "blast furnace crushed slag," achieving high permeability and water retention for landscape paving. Depending on environmental conditions, its durability is approximately 15 to 20 years. With a texture similar to soil, "slag paving" blends easily into natural landscapes. Choosing gray tones can match urban landscapes as well. It allows rainwater to permeate and return to the ground, alleviating the "heat island phenomenon" in urban areas. There are instances where surface temperatures are about 10°C lower compared to asphalt paving. It is designed to minimize puddles and has a high slip resistance, making it easy to walk on during and after rainfall. 【Features】 ■ Excellent functionality (permeability, water retention, freeze resistance, durability, slip resistance) ■ Utilizes aggregates specified for procurement under the Green Purchasing Law, with a recycling rate of over 80% ■ Meets the "surface requirements" needed for sidewalks and bicycle paths ■ Over 1,800 instances of adoption in "public works" ordered by municipalities nationwide ★ Currently, we are offering a "case study collection" for parks and building exteriors. You can view it immediately via [PDF download].

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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Differences in functionality between colored sand and porous concrete pavement.

Differences in functionality between colored sand and porous concrete pavement.

Introducing technical information about permeable and water-retaining blast furnace slag pavement "Color Sand"!

This document explains the differences in permeability and water retention functions between "permeable and water-retaining blast furnace slag pavement (color sand)" and "porous concrete pavement." Porous concrete pavement allows for point-based permeability, while color sand enables surface-based permeability, distinguishing it as a new type of permeable pavement that has been recognized for its advancement and novelty, and has also obtained a "patent." Additionally, explanations regarding "water retention performance and its effects" and "the duration of sustained permeability" can be found through external links. 【Technical Information Introduction】 ■ Permeability Performance ■ Water Retention Performance and Its Effects ■ Duration of Sustained Permeability *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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Similarities and differences between colored sand and sand pavement.

Similarities and differences between colored sand and sand pavement.

Introducing technical information about permeable and water-retaining blast furnace slag pavement "Color Sand"!

This document explains the similarities and differences between "permeable and water-retaining blast furnace slag pavement (colored sand)" and "masato soil pavement." Both have common functions as permeable and water-retaining pavements, and since the aggregate particle size ranges from 5mm to 0mm, they often appear similar, leading to frequent confusion. Additionally, as materials for pedestrian road pavements, they show similarities in major applications such as sidewalks, walking paths, and park paths, as well as in design pricing. For more detailed explanations regarding the differences, please refer to the external link. 【Technical Information Overview】 ■ Similarities - Appearance, major applications, design pricing ■ Differences - Pavement aggregate, permeability, frost resistance, bending strength, pavement color, durability *For more details, please refer to the PDF materials or external link page, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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About the "technical basis" of pavement composition in colored sand.

About the "technical basis" of pavement composition in colored sand.

Introducing technical information about permeable blast furnace slag pavement "Color Sand"!

This document explains the "technical basis" for the pavement composition of "permeable high furnace slag pavement (color sand)." This pavement is not intended for "roadway pavement" aimed at heavy vehicle traffic, but rather is specifically designed for "pedestrian pavement" to accommodate pedestrian passage. Therefore, as a public standard, it complies with Chapter 7 of the "Pavement Design Manual," which specifically defines the selection, classification, and pavement structure of pedestrian-related road pavements under "pavements for sidewalks and bicycles." Additionally, explanations regarding "the basis for pavement composition and thickness" and "classification as pedestrian-related road pavement materials" can be found through external links. [Introduction of Technical Information] ■ Classification of pavement uses ■ Basis for pavement composition and thickness ■ Classification as pedestrian-related road pavement materials *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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The technical basis for color sand being compatible with "universal design."

The technical basis for color sand being compatible with "universal design."

Introducing technical information about permeable and water-retaining blast furnace slag pavement "Color Sand"!

This document explains the technical basis for the "permeable and water-retaining blast furnace slag pavement (color sand)" being compliant with "universal design." The target value for slip resistance is set at BPN 40 or higher for wet surfaces, and the color sand pavement exceeds 62, thus meeting the target value. Additionally, since it is a site-cast pavement, it does not pose obstacles for pedestrians and wheelchair users, allowing for smooth curved construction, making it suitable for wheelchair users and visually impaired individuals. Furthermore, it excels in shock absorption, permeability, and water retention. The main factors contributing to overall "walkability" are elasticity, foot feel, and slip resistance. It is necessary to evaluate overall ease of walking and running when selecting walking surfaces. **Features** - Exceeds the target value for slip resistance - Allows for smooth curved construction - Excellent shock absorption and soft walking sensation - Maintains permeability without creating puddles that hinder walking - Highly superior in water retention capacity and duration due to its porous structure *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.*

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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The reason why colored sand maintains its paving function even after more than 15 years.

The reason why colored sand maintains its paving function even after more than 15 years.

Introducing technical information about permeable and water-retaining blast furnace slag pavement "Color Sand"!

We will explain the reasons why the "permeable and water-retaining blast furnace slag pavement (color sand)" has maintained its paving functionality even after more than 15 years since installation. Color sand meets all five "pavement requirements" expected for pedestrian areas and maintains high performance among pedestrian pavements. The characteristic of the blast furnace water-quenched slag used as aggregate, "latent hydraulicity," not only enhances strength but also provides excellent permeability and water retention due to its porous structure. Furthermore, in response to the repeated action of freezing and thawing during winter, it prevents the deterioration of the pavement surface by relieving the pressure caused by the volume expansion of moisture during freezing. Additional explanations, such as "representative examples of sites that have maintained paving functionality for over 15 years," can be found through external links. 【Technical Information Introduction】 ■ 20 years since the development of color sand ■ High performance maintained as pedestrian pavement ■ Technical reasons for maintaining paving functionality after more than 15 years / representative examples of sites *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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Permeable blast furnace slag paving material 'Color Sand' for cemeteries and burial grounds.

Permeable blast furnace slag paving material 'Color Sand' for cemeteries and burial grounds.

Are you having trouble with weeding and cleaning your grave? With "Color Sand," you can simplify the maintenance of your grave with its high weed prevention effect and permeability! *Case studies available.

The permeable and water-retaining paving material "Color Sand" is a permeable high furnace slag paving material characterized by its high weed prevention effect, permeability, and water retention. By laying it in paths such as those in cemeteries, maintenance management is simplified, allowing for a reduction in management costs. 【Do you have any of these concerns?】 ■ In spring to autumn, weeds grow and it's a hassle... ■ In autumn, cleaning up fallen leaves is a hassle... ■ I don't live near the grave, so I can't take care of it... ⇒ We can solve these concerns! *For more details, please download the PDF or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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[Case Study] Permeable Blast Furnace Slag Paving Material 'Color Sand'

[Case Study] Permeable Blast Furnace Slag Paving Material 'Color Sand'

The permeable and water-retaining paving material "Color Sand" has been reintroduced to Akebono Children's Forest Park!

In 1997, shortly after the establishment of Sanwa Grand Co., Ltd., our colored sand was adopted at "Akebono Children's Forest Park" in Hannō City, Saitama Prefecture. This park won the Minister of Land, Infrastructure, Transport and Tourism Award at the 14th Urban Park Competition. Since then, it has been introduced to many people as a representative example of our adopted sites. About 20 years later, during the renewal, permeable and water-retaining colored sand was once again chosen for the park path paving. 【Features】 ■ Excellent permeability, water retention, and freeze resistance ■ Over 80% recycling rate due to the use of aggregates specified in the Green Purchasing Law ■ Meets the "surface requirements" needed for sidewalks and bicycle paths ■ Over 1,500 adoptions in "public works" ordered by municipalities nationwide *For more details, please refer to the PDF materials or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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Permeable blast furnace slag paving material "Color Sand"

Permeable blast furnace slag paving material "Color Sand"

Perfect for green infrastructure initiatives! This paving material boasts excellent durability, along with permeability, water retention, and aesthetic appeal.

The initiatives for green infrastructure have been recognized in the park shown in the photo. The permeable and water-retaining paving material 'Color Sand' utilizes 'blast furnace crushed slag,' an aggregate with a fine porous structure, achieving high permeability and water retention. Depending on environmental conditions, its durability is approximately 15 to 20 years. It has a texture similar to soil, making it easy to blend into natural landscapes as 'slag pavement.' Choosing a gray tone can match urban landscapes as well. It allows rainwater to permeate and return to the ground, alleviating the 'heat island phenomenon' in urban areas. It is designed to minimize puddles and has a high slip resistance, making it easy to walk on during and after rainfall. **Features** - Excellent functionality (permeability, water retention, freeze resistance, durability, slip resistance) - Uses aggregates specified for procurement under the Green Purchasing Law, with a recycling rate of over 80% - Meets the 'road surface requirements' needed for sidewalks and bicycle paths - Over 1,800 instances of adoption in 'public works' ordered by municipalities nationwide - Perfect for the recently highlighted initiatives of 'green infrastructure' (permeability and water retention) ★ Currently, we are offering a 'collection of adoption examples' for parks and building exteriors. You can view it immediately via [PDF download].

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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Permeable pavement and water-retaining pavement materials [Case study: Kamogawa Park]

Permeable pavement and water-retaining pavement materials [Case study: Kamogawa Park]

Introducing case studies of permeable and water-retaining pavement material "Color Sand"! <Kamogawa Park (Kyoto Prefecture)> *Constructed in 2019

We have been adopted for the riverside promenade of the Kamo River, a representative river in the ancient capital of Kyoto and a famous tourist spot. After the completion of this project, we received direct feedback from local residents saying, "We really like it." This was not only a great encouragement for us but also a moment when we felt we were able to contribute to the local community.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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Permeable and water-retaining blast furnace slag paving material "Color Sand" *Case study collection giveaway

Permeable and water-retaining blast furnace slag paving material "Color Sand" *Case study collection giveaway

Adopted at Fukaya Terrace Park! This environmentally friendly paving material excels in permeability and water retention, combining durability and aesthetic appeal. It is also suitable for SDGs initiatives!

At the newly established Fukaya Terrace Park, located very close to Fukaya Hanazono Station in Fukaya City, Saitama Prefecture, permeable pavement and water-retaining colored sand have been adopted. This new park opened simultaneously with an adjacent agricultural experience facility. The sand beige color, which is reminiscent of soil, matches the concept of the facility and looks appealing. An outlet mall is set to open in October across the road, making this area one that will attract even more attention in the future.

  • Exterior and paving materials <General>
  • Paving Materials
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Permeable pavement and water-retaining pavement materials [Case Study: Peace Memorial Park]

Permeable pavement and water-retaining pavement materials [Case Study: Peace Memorial Park]

Introducing examples of the use of permeable and water-retaining pavement material "Color Sand"! <Hiroshima Peace Memorial Park (Hiroshima Prefecture)> *Constructed in 2019

We have adopted permeable and water-retaining colored sand pavement materials for the paths in Hiroshima's Peace Memorial Park. There are many travelers from abroad, and pedestrians and cyclists are constantly present. It is located close to the city center of Hiroshima and is also a famous cherry blossom viewing spot, so we feel very honored to have our materials used in such a representative park of Hiroshima.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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Permeable pavement and water-retaining pavement materials [Case study: Osaka Castle Park, Plum Garden]

Permeable pavement and water-retaining pavement materials [Case study: Osaka Castle Park, Plum Garden]

Introducing case studies of permeable and water-retaining pavement material "Color Sand"! <Osaka Castle Park - Plum Grove (Osaka Prefecture)> *Constructed in 2023

We have adopted permeable and water-retaining colored sand paving materials for the walking paths in the plum grove of Osaka Castle Park, located at the foot of Osaka Castle, a symbol of Osaka, and a place of relaxation for the citizens. It seems that many people have walked on the permeable and water-retaining colored sand, enjoying the plums, and we have received positive feedback about it.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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Heat-conducting moisture-retaining slag pavement material "Heat Through Sand"

Heat-conducting moisture-retaining slag pavement material "Heat Through Sand"

Releases heat and lowers surface temperature! It is an environmentally friendly pedestrian pavement material.

"Heat Through Sand" is a pedestrian pavement that combines high-permeability and water-retaining blast furnace crushed slag with high thermal conductivity aggregates (such as silica) in an optimal mix, adding cement, admixtures, and inorganic pigments, resulting in an environmentally friendly pavement that possesses both permeability and water retention functions as well as thermal diffusion capabilities. Since blast furnace crushed slag is a porous aggregate, it allows for "permeability across the entire surface," not just through the gaps between aggregates like conventional permeable pavements. This characteristic makes it less prone to clogging from debris, allowing the permeability and water retention functions to last for a long time. 【Features】 - Rainwater is stored in the fine porous voids of the blast furnace crushed slag from the surface. - Rainwater that permeates into the base is drawn up through capillary action, sustaining the evaporation effect over a long period. - Incorporation of high thermal conductivity aggregates such as silica. → In summer, heat stored in the surface layer is conducted and diffused to the base, reducing surface temperature. → In winter, geothermal heat from the base and subgrade is conducted and diffused to the surface, helping to suppress surface freezing. For more details, please contact us or download the catalog.

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Permeable soil-based slag paving material "Eternal Sand"

Permeable soil-based slag paving material "Eternal Sand"

Earth-based slag pavement that solves the weaknesses of earth-based pavement.

By using blast furnace crushed slag as the main aggregate, we have eliminated the peeling and flaking that were observed in the initial stages of conventional soil pavements. The "latent hydraulicity" of the slag (a characteristic that increases strength over time due to hydration reactions) also contributes to its excellent durability. It has a natural color and texture similar to soil, without the artificial impression often seen in asphalt or resin-based materials. It also excels in functions such as permeability, water retention, and slip resistance. 【Features】 ■ Main ingredient is blast furnace crushed slag mixed with sandy soil ■ Resistant to overflowing water on the surface, accommodating heavy rainfall of 30mm/h ■ Mitigates the heat island effect through evaporation from the surface ■ Provides moisture to trees and flowers through evaporation, promoting growth ■ Universal design that is easy for anyone to walk on ■ Extended lifespan compared to conventional paving materials ■ Reduces the extraction of natural materials by using artificial aggregates (recycled materials) *For more details, please refer to the PDF document or feel free to contact us.

  • Paving Materials
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  • Slag paving material

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[Case Study] Color Sand (Famous Cherry Blossom Spot)

[Case Study] Color Sand (Famous Cherry Blossom Spot)

Introducing a case where the permeable and water-retaining paving material "Color Sand" was adopted at a famous cherry blossom site!

Our permeable and water-retaining paving material "Color Sand" has been adopted in many famous cherry blossom spots. At the "Chidorigafuchi Greenway" in Chiyoda, Tokyo, our product's high permeability and water retention provide moisture to approximately 260 cherry trees planted along the 700-meter-long promenade. Additionally, at "Gongendo Park" in Satte City, Saitama Prefecture, the light brown color of our product enhances the natural contrast between the pink cherry blossoms and yellow rapeseed flowers. [Examples] - Gongendo Park (Satte City, Saitama Prefecture) - Sagami River (Atsugi City, Kanagawa Prefecture) - Karasumori Park (Fujisawa City, Kanagawa Prefecture) - Kashio River (Yokohama City, Kanagawa Prefecture) - Akamagawa Irrigation (Iruma City, Saitama Prefecture) - Chidorigafuchi Greenway (Chiyoda, Tokyo) *For more details, please refer to the PDF materials or feel free to contact us.

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[Case Study] Color Sand (Tohoku Reconstruction)

[Case Study] Color Sand (Tohoku Reconstruction)

Introducing a case where permeable and water-retaining pavement material "Color Sand" was adopted in the Tohoku Reconstruction Group Relocation Site!

The permeable and water-retaining paving material "Color Sand" is playing an active role in the "Tohoku Reconstruction." In the Tamaupa West area of Iwanuma City, Miyagi Prefecture, the land development work for the reconstruction group relocation site has been completed, and the construction of new homes is also progressing. Approximately 4,000 m² has been adopted for paths in the park and sidewalks around the retention pond. The paving of this product is barrier-free, allowing the elderly and those with disabilities to walk comfortably and safely. Additionally, it is resistant to freeze damage (freeze-thaw cycles), and there are sites in the Tohoku region that have been in use for over 10 years without any issues. [Case Study] - Reconstruction group relocation site (Tamaupa West area, Iwanuma City, Miyagi Prefecture) - Approximately 4,000 m² adopted for paths in the park and sidewalks around the retention pond - Paving that excels in barrier-free design *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Slag paving material

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[Case Study] Color Sand (Tsukishima River Greenway)

[Case Study] Color Sand (Tsukishima River Greenway)

A bright promenade where you can enjoy the scenery and cherry blossoms! Introducing a case study on the use of permeable and water-retaining pavement material "Color Sand."

In Chuo Ward, Tokyo, our permeable and water-retaining paving material "Color Sand" has been adopted for the "Tsukishima River Greenway." The "Tsukishima River Greenway," which used to be dark and somewhat worn, has been transformed into a bright promenade where visitors can enjoy the riverside scenery and cherry blossoms after renovation. 【Benefits of Adoption】 ■ Disperses direct heat, reducing glare even on hot days ■ The finely textured surface makes it less slippery even in the rain ■ No water splashing, making it easy to walk on even when the surface is wet ■ Provides a soft walking sensation, reducing strain on the legs and back ■ Color options that harmonize with the surrounding landscape can be chosen *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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[Case Study] Color Sand (Yokosuka Shobu Park)

[Case Study] Color Sand (Yokosuka Shobu Park)

A garden path that is less prone to puddles and easy to walk on! Introducing examples of the use of permeable and water-retaining paving material "Color Sand."

In Yokosuka City, Kanagawa Prefecture, our permeable and water-retaining paving material "Color Sand" has been adopted at the "Yokosuka Shobu-en" (Yokosuka Iris Garden). Opened in 1988, the "Yokosuka Shobu-en" had severely deteriorated existing path pavements, which have now been renewed with our products. It is utilized as a path that is easy to walk on even on rainy days, as it minimizes puddles. The garden offers not only iris flowers but also wisteria, rhododendrons, and water lilies, providing enjoyment throughout the year. 【Benefits of Adoption】 ■ Disperses direct heat, reducing glare even on hot days ■ The fine texture of the surface makes it less slippery even in the rain ■ No water splashing, making it easy to walk on even when the surface is wet ■ Provides a soft walking sensation, reducing strain on the legs and back ■ Color options that harmonize with the surrounding landscape can be chosen *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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[Case Study] Color Sand (Shakujii River)

[Case Study] Color Sand (Shakujii River)

Bright and comfortable walkways even on rainy days! Introducing examples of the use of permeable and water-retaining paving material "Color Sand."

The walking path along the "Shakujii River" in Tokyo has adopted our permeable and water-retaining paving material, "Color Sand." Before the installation, when it rained, many people walked on the roadway due to poor footing, raising safety concerns. After the installation, even when it rains, puddles do not form, allowing for comfortable walking. As a result, the number of people walking on the roadway has decreased, which has pleased the local government officials. [Benefits of Adoption] - Direct heat is dispersed, reducing glare even on hot days. - The surface has fine bumps, making it less slippery even when it rains. - There is no water splashing, and it is easy to walk on even when the surface is wet. - It provides a soft walking sensation, reducing strain on the legs and back. - Colors that harmonize with the surrounding landscape can be chosen. *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Paving Materials
  • Slag paving material

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The reason why colored sand is strong against "freeze-thaw" cycles.

The reason why colored sand is strong against "freeze-thaw" cycles.

Introducing technical information about permeable blast furnace slag pavement "Color Sand"!

This document explains the reasons why "permeable and water-retaining pavement materials (color sand)" are strong against "freeze-thaw" cycles. Color sand is a pedestrian pavement material that possesses permeable and water-retaining functions while being sufficiently resistant to the repeated effects of freeze-thaw cycles in winter, making it "strong against frost damage." Among our pavement composition, the "filter layer" made from high furnace slag pavement, which is the aggregate of this pavement material, has a significant effect in suppressing "frost heave" when used alone. Furthermore, in freeze-thaw tests conducted at the Central Testing Laboratory of the Building Materials Testing Center, no cracking or destruction occurred even after completing 200 cycles. 【Excellent Features of the Aggregate (High Furnace Slag)】 ■ Porous Structure - Numerous fine voids relieve pressure caused by volume expansion during freezing. ■ Potential Hydraulicity - The main components of water-quenched slag (silica, alumina, lime, magnesia) solidify over time due to repeated water infiltration. ◎ Sufficiently resistant to the repeated effects of freeze-thaw cycles. *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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The technical basis of "permeable blast furnace slag pavement" that achieves both permeability and water retention.

The technical basis of "permeable blast furnace slag pavement" that achieves both permeability and water retention.

Introducing technical information about permeable and water-retaining blast furnace slag pavement "Color Sand"!

We will explain the technical basis of "Permeable and Water-retaining Blast Furnace Slag Pavement (Color Sand)" that achieves both permeability and water retention. All of our paving materials use "granulated blast furnace slag" as the main aggregate. The aggregate itself has a fine porous structure, allowing it to provide both permeability and water retention. While typical permeable paving materials achieve permeability at a "point," our paving materials achieve permeability over a "surface" due to the nature of the aggregate itself, resulting in less clogging and maintaining permeability performance over a long period. Additionally, by cleaning with high-pressure washers, the permeability can be restored to about 80%. Further explanations regarding "permeability performance" and "water retention performance" can be found through external links. [Technical Information Introduction] ■ Reasons for achieving both permeability and water retention ■ Permeability performance ■ Water retention performance ■ Our product lineup *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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About the characteristics and benefits of blast furnace crushed slag used in colored sand.

About the characteristics and benefits of blast furnace crushed slag used in colored sand.

Introducing technical information about permeable blast furnace slag pavement "Color Sand"!

This explains the characteristics and benefits of the blast furnace crushed slag used in "permeable blast furnace slag pavement (colored sand)." The "blast furnace crushed slag" used as aggregate in our paving materials is a byproduct generated simultaneously when producing pig iron from a blast furnace at major steel manufacturers. It can be easily separated as it floats on top of the molten pig iron. In addition to contributing to the reduction of environmental impact, it has characteristics such as excellent gradation balance due to its uniform particle size. Further explanations on topics such as "What is steel slag?" and "Characteristics and general applications of blast furnace slag" can be found through external links. 【Introduction of Technical Information】 ■ What is "steel slag"? ■ Characteristics and general applications of "blast furnace slag" ■ Reasons for adopting "blast furnace crushed slag" - Reduction of environmental impact, porous shape, latent hydraulicity, high internal friction angle, uniform particle size, safety *For more details, please refer to the PDF materials or external link pages, or feel free to contact us.

  • Paving Materials
  • Exterior and paving materials <General>
  • Paving of sidewalks, roads, parking lots and stadiums
  • Slag paving material

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