Achieving both permeability and water retention! With a finely textured surface that prevents water splashing, this environmentally friendly new walking path pavement material is resistant to slipping even when wet from rain!
Color sand is an environmentally friendly new pedestrian road paving material that uses "blast furnace crushed slag," a byproduct of steelmaking, as the main aggregate, combined with cement additives and inorganic pigments as supplementary materials. These components are mixed and compacted using a compaction machine to finish the product. It allows rainwater, an invaluable water resource for the Earth, to permeate and be replenished underground, mitigates the "heat island phenomenon" in urban areas, revives spring water, encourages the growth of trees and flowers, and contributes to the creation of urban environments rich in "water and greenery." 【Features】 - Excellent permeability - No puddles during rainfall, non-slip - Mitigates the heat island phenomenon - Maintains high water retention - Soft walking sensation For more details, please contact us or download the catalog.
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basic information
【Specifications】 ○ Flexural strength: 30 kgf/cm² or more ○ Permeability: 2.0×10⁻² cm/sec or more (0.02 cm/sec) Difficult to form puddles on the surface even during heavy rain of 30 mm/h ○ Water retention: 0.23 g/cm³ or more ○ Slip resistance value: BPN value of 70 or more ○ Freeze damage resistance: No freeze damage occurs even in cold or snowy areas (15 years in Tohoku) ○ Service life (average): Maintains sufficient "paving function" even after more than 15 years ○ Paving colors: Standard 5 colors (Soft Red, Light Brown, Yellow, Green, Natural) ○ On-site quality control → Specimens for "flexural strength tests" are produced at each site and tested by a public testing organization → "On-site permeability tests" are conducted with the client and general contractor present ● For more details, please contact us or download the catalog.
Price information
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Delivery Time
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Applications/Examples of results
【Usage】 ○CS-I → Sidewalks, squares, park paths, and bike paths exclusively for pedestrians and bicycles ○CS-II → Pedestrian roads that allow passage for management vehicles under 4 tons and passenger cars in addition to pedestrians and bicycles ○CS-III → Internal roads that temporarily allow entry for large vehicles and emergency vehicles (large fire trucks) ● For more details, please contact us or download the catalog.
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Company information
The permeable and water-retaining pavement materials developed by Sanwa Grand Co., Ltd. allow rainwater, an invaluable water resource for the Earth, to permeate and be returned to the ground, thereby alleviating the "heat island phenomenon" in urban areas during the summer, revitalizing spring water, promoting the growth of trees and flowers, and restoring "water and greenery" in the city, creating a pavement that is friendly to both people and nature. Our company aims to contribute to society as a member of a company that creates a comfortable environment through the dissemination of these environmentally friendly pavement materials, which excel in permeability and water retention. Our pavement materials are also ideal for areas with high social needs, such as "barrier-free" access, "disaster evacuation routes," "weed prevention measures," and "school route improvements."
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