Gaps, joints or openings, greater than ½” horizontal and ¼” vertical should be avoided as they can disrupt wheelchair maneuvering (United States Access Board – Guidelines and Standards). The Americans with Disabilities Act Accessibility Guidelines (ADAAG) provides measurable criteria to determine compliance, not individual product evaluation. In dry areas, consider irrigation over this area to prevent turf burnout. In order for the grass to establish, provisions must be made for watering. Recommendation: Sealers – After the soil is placed in the openings, it is recommended to seed the area or fill with sod plugs. Paver Compaction - For the final compaction, a “rubber roller compactor” will give you the best results without breaking the block. Handling – This product is heavy and a two-man clamp is recommended for placement.Įdge Restraint - A concrete curb or a “sub-surface concrete wedge” can also be installed to retain the edge. Concrete Gray Basket weave Yorkstone Paver (37 Pieces/100 Sq. Jointing Material and Joint Stabilizationįill all holes with topsoil to promote grass growth in openings. Learn more about their advantages, applications and installation. They reduce stormwater runoff, soil erosion and water pollution. They work as driveways, walkways, parking spaces and other pedestrian areas. Standard Bedding Course – 1” thick of course sand– in accordance with ASTM-D2940) screeded over base. Turfstone pavers are a latticed paving stone that allows vegetation to grow through or be filled with crushed stone. ![]() ![]() GrassStone 80 Pavers are designed to facilitate the growth of grass in paved areas. It is ideal for driveways, green paths, walkways, and patios. GrassStone 80 is an environmentally-friendly permeable paver that promotes green space and good drainage. 6” – 8” of ¾” Crusher Run gravel (any road base standard in accordance with ASTM-D2940) compacted to 98% Standard Proctor Density (SPD). An environmentally-friendly and permeable paver. Recommended depth 8” to 10” below pavers for maximum stability and performance. Recommended Base Stabilization – one layer of DriveGrid ™ stabilization grid between subgrade and base material. Its filigree design makes it an attractive and permanent solution for emergency access areas, embankments, spillways, and environmentally sensitive parking areas. Voids may be filled with grass or colored aggregates.
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