Large Sump Promenade Deck Roof Drain
FD-4090EX series of promenade or deck roof drains consist of a large sump cast iron body with bottom outlet, membrane flashing clamp, adjustable extension sleeve, rotatable square frame, fixing collar, and heavy duty ductile iron grate.
Used in flat roofs and decks designed as parking decks (vehicles traffic) or promenades for recreational (foot traffic).The adjustable extension sleeve permits adjustment, easily accommodating different insulation thicknesses. Large square grate provides sufficient free area for proper drainage with narrow slotted openings for pedestrian safety and to intercept debris.The Flashing (V-Shape) clamp holds flashing and roofing materials to the drain body without puncturing. The fixing collar allows aligning the square drain with the square tile or a brick pattern (rotating the frame).