Josam's roof drains include Large Sump, Medium Sump, Small Sump, Sill Type, Promenade Top, Parapet Type, Flow Control Type, Overflow Type, and Green Roof Drains. They feature the WEJLOC® clamping system.

Feb 27, 2025 · Josam offers a complete line of 304 or 316L Stainless Steel floor drains, retrofit liners, cleanouts, trench drains, slot and mini channels, and shower channels. Access Josam’s MasterSpec® documents for comprehensive, industry-standard specifications.

Intergral outlets for both main and overflow drain pipes in one-piece body for limited space installations. WejLoc compression clamp rings hold the membrane or flashing to the drain body. Small beehive dome provides ample drainage for small roof areas and intercepts debris.

Josam 21500 Roof Drain Used on roofs of any size and any type of construction. Regularly furnished: coated cast-iron roof drain, large cast-iron locking dome, WEJLOC non-puncturing clamp ring with integral gravel stop, large sump with wide roof flange, and bottom...

The Josam 29100 Roof Drain – No-Hub Outlet is a coated cast iron Roof Drain with large cast iron dome, non-puncturing clamp ring with integral gravel stop, large sump with wide roof flange …

Find and purchase all Josam roof drain products, including complete drains, domes, rings, clamp post kits, sump pans and bolt kits. All online orders typically ship within 24 hours to ensure your products arrive on time, every time.

JOSAM 21500-AE SERIES COATED CAST IRON LEVELEZE® ROOF DRAIN, LARGE POLYPROPYLENE LOCKING DOME, WEJLOC® NON-PUNCTURING CLAMP RING WITH INTEGRAL GRAVEL STOP, BOLTED SUPPORT RING, ADJUSTABLE TOP, LARGE SUMP WITH WIDE ROOF FLANGE AND BOTTOM OUTLET. MIN. DECK OPENING. -10 FIXED EXT. COLLAR, CAST IRON. 4" STD.(SPECIFY HEIGHT) -10-20 FIXED EXT.

Find the Josam 4 in. Cast Iron Roof Drain at Ferguson online for delivery or pickup at a Ferguson store near you.

Josam 24700 series coated cast iron roof drain, parapet type, removable sloping bronze grate, flashing clamp, shallow sump with flashing flange and side outlet threaded connection. Used at the junction of the roof and the parapet where perimeter or emergency roof drainage through a threaded side outlet is required.

Josam offers a complete line of roof drains which include Large Sump, Medium Sump, Small Sump, Sill Type, Promenade Top, Parapet Type, Flow Control Type, Overflow Type, Green Roof Drains, and miscellaneous roof drains and accessories and PVC body. LEVELEZE® Roof Drains are just what the name implies - easy to level to the proper elevation.