A dimple mat is a sheet of semi rigid plastic usually high density polyethylene that comes in a roll.
Dimpled polyethylene drainage matting.
It s high density polyethylene hdpe composition provides a good resistance to water pressure and aids in drainage.
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.
Matting has built in dimples that align both vertically and horizontally to rapidly channel water from grade to footer drainage system.
Get an extra layer of moisture drainage and durability with crawl space drainage matting.
Think of dimpled drainage matting as a durable sub floor between the liner and the gravel or dirt crawlspace floor.
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.