Dimpled Polyethylene Drainage Matting

A dimple mat is a sheet of semi rigid plastic usually high density polyethylene that comes in a roll.

Dimpled polyethylene drainage matting.

Matting has built in dimples that align both vertically and horizontally to rapidly channel water from grade to footer drainage system. The stud shaped dimples provide an air chamber between the roll and its matting surface. It s high density polyethylene hdpe composition provides a good resistance to water pressure and aids in drainage. The dimples serve to quickly direct water to the footer drainage system and provide a chamber of air between.

Get an extra layer of moisture drainage and durability with crawl space drainage matting. Sika drainage mat 420 and 720 sika drainage mat 420 and 720 consist of an impermeable high flow dimpled polypropylene drainage core heat bonded to a layer of non woven polypropylene 420 or woven polypropylene 720 filter fabric on the top side and a polyethylene membrane protection film on the bottom side. 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.