Flat Roof Drain Strainers

10 inch plastic roof drain dome strainer grate 3 hole black.

Flat roof drain strainers.

They become brittle and break. A plastic strainer for a flat roof drain is not a good idea. Flat roof drains scuppers gutters and drainage systems on flat roofs. No hub cast iron high volume roof drain with ductile iron dome.

9 1 2 od base x 4 1 4 high with 3 bolt mounting holes. 10 inch black polyethylene drain dome strainer grate. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. There are conditions on a roof that is not practical to lower a drain as illustrated in the videos above.

Cast iron roof drain with 2 in. Flat roof drain strainers are important if appropriately designed a strainer is supposed to keep larger objects from going down a drain while allowing smaller debris through with the water flow. Most strainers or domes that cover a drain on flat roofs are poorly designed because they block smaller debris and the strainer becomes clogged. If that s the case then an alternative solution is to fabricate a large strainer that will fit around the drain.

The design and configuration of a strainer are critical. Replaces popular 10 inch plastic strainers domes. To preserve the life of the roof however the debris that collects around them must be removed on a regular basis. Flat roof drains and strainers are the most important components of any commercial flat roof.

This is what it looks like after attaching the membrane to the cast iron drain. With a proper strainer over this drain the roof will be maintenance free. This is the type of strainer you should have on your roof otw shortcode content toggle this video explains the principles of how a large metal strainer will be more practical than smaller dome shaped plastic strainers. Watts drainage products rd 300 r series 6 in.

Watts drainage products rd 300 r series 4 in. If appropriately designed a strainer or leaf filter is supposed to keep larger objects from going down a drain while allowing smaller debris through with the water flow most strainers or domes that cover a drain on flat roofs are poorly designed because they block smaller debris and the strainer becomes clogged preventing any water flow. Flat roof drain strainers.