It is a diagonel bubbling protection sheet which is made of high density polyethylene and protects the applied waterproofing from the damages that may occur during filling.

It is a diagonel bubbling protection sheet which is made of high density polyethylene and protects the applied waterproofing from the damages that may occur during filling.

It is a diagonel bubbling protection sheet which is made of high density polyethylene and protects the applied waterproofing from the damages that may occur during filling.