Watts - FD-620 - Unfinished Area Isolation Drain Window Well Cover Each cast-in-place metal tile is

Each cast-in-place metal tile is designed to be set in concrete while it is still wet and interlocks with adjacent mats

including french drains

Corrosion-Resistant ConstructionConstructed from materials and coatings built to resist weather

Deep-Seal Integrated Trap: A uniform-diameter

Watts - FD-620 - Unfinished Area Isolation Drain Window Well Cover Each cast-in-place metal tile isThe Watts FD 620 is designed for floating slab installations and environments where slab movement must be managed independently from the drainage system. It features an epoxy coated cast iron body with both upper and lower sections, reversible membrane clamps equipped with primary and secondary weepholes for enhanced seepage control, an 8 diameter adjustable round top with a heel proof ductile iron grate, a neoprene movement compensator coupling, and