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GRD-640
Green Roof Metered Overflow Drain
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GRD-640
Green Roof Metered Overflow Drain
Features
- Specified for seepage or restricted drainage in green roof systems
- Non-corrosive perforated stainless steel ballast guard
- Surface maintenance access through removable cover
- No hub or push-on connection
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Series GRD-640 epoxy coated cast iron green roof drain overflow drain with flashing clamp, ABS standpipe with 5/8 in. (16mm) orifice, perforated stainless steel gravel guard with secured solid cover, and no hub (standard) outlet.
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific GRD-640