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EnviroSAND substantially reduces joint sand loss in paver systems caused by rainfall erosion. When activated by water, Organic-Lock™ forms an adhesive gel which bonds sand particles together. In addition, this gel creates a thin film on the surface of the joint when wet. This film acts as a buffer zone which water can slide over, preventing washouts.

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Weed growth doesn’t come from below. It comes from above when seeds drop into the washed out joints that become filled with debris and organic matter. The seeds germinate and thrive into nuisance weeds. EnviroSAND has a 2 level weed-deterring system. First, the strength of the Organic-Lock™ bond locks the sand in place, which prevents soil and debris from accumulating in the barren joints. Second, if a seed does find a way into the joint, Envirobond has scientifically elevated the pH of the system which creates an unfavorable environment for seeds to germinate, resulting in deterred weed growth.

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EnviroSAND remains completely flexible to withstand thermal movement or settlement of the sub base materials. Additionally, the gelling ability of Organic-Lock™ allows the joint to self-heal. In conditions where cracking or movement may occur, rain water reactivates the Organic-Lock™, allowing the joint material to re-mould and fill any cracks. This self-healing aspect allows the segmental system to remain segmental while maintaining joint sand stability. Chemical alternative products, like Polymeric Sand, use a chemical reaction to firm up. When this bond is broken, it stays broken!

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EnviroSAND prevents surface staining using its unique 2 stage watering process. By activating Envirosand first with a light mist, the top layer quickly develops its protective film, preventing the sand from being washed away by the second step. This is followed by a stronger heavy spray that easily cleans the surface of the stones without washing out the joints. This allows water to sink deep into the joints, activating the rest of the material.

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