Get an extra layer of moisture drainage and durability with crawl space drainage matting.
Dimpled polyethylene drainage matting.
Think of dimpled drainage matting as a durable sub floor between the liner and the gravel or dirt crawlspace floor.
It s high density polyethylene hdpe composition provides a good resistance to water pressure and aids in drainage.
The plastic has an egg carton shape with protruding dimples that make the membrane fairly thick generally between 1 4 inch and 1 2 inch thick.
A dimple mat is a sheet of semi rigid plastic usually high density polyethylene that comes in a roll.
The dimples serve to quickly direct water to the footer drainage system and provide a chamber of air between.
The white cap dimple drainage matting rolls are made of a high density polyethylene hdpe that offers a strong resistance to hydrostatic pressure and excellent drainage.
Whitecap drainage matting improves water movement due to the dimpled design and may enhance the effectiveness of a radon system.