| Driwall™ Prefabricated Composite Drain 10-025 Thickness 0.34 Inches / 9 mm Driwall™ Prefabricated Composite Drain 10-025 is a 0.34-inch, “zig-zag” geometric patterned core, drainage mat designed to eliminate hydrostatic pressure from behind foundation walls, retaining walls, planters, plaza decks, and balconies. View Details |