FD-4090EX series of promenade or deck roof drain consist of a large sump cast iron body with bottom outlet, non-puncturing membrane flashing clamp, adjustable Extension sleeve, rotatable square frame, fixing collar, and heavy duty ductile iron grate.
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Used in flat roofs or gutters of any construction. Small diameter body is particularly adaptable where limited space is available. Flashing clamp holds flashing and roofing materials securely to the drain body.The dome provides sufficient free area for quick drainage of rain water and protects the drain sump and connected piping from the intrusion of debris
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