Flat Roof Drain Strainers

Most strainers or domes that cover a drain on flat roofs are poorly designed because they block smaller debris and the strainer becomes clogged.

Flat roof drain strainers.

10 inch plastic roof drain dome strainer grate 3 hole black. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. This video explains the principle of a drain basin. Watts drainage products rd 300 r series 4 in.

No hub cast iron high volume roof drain with ductile iron dome. Flat roof drain strainers. 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. Cast iron roof drain with 2 in.

If that s the case then an alternative solution is to fabricate a large strainer that will fit around the drain. They become brittle and break. This is what it looks like after attaching the membrane to the cast iron drain. To preserve the life of the roof however the debris that collects around them must be removed on a regular basis.

There are conditions on a roof that is not practical to lower a drain as illustrated in the videos above. Replaces popular 10 inch plastic strainers domes. 10 inch black polyethylene drain dome strainer grate. Flat roof drains and strainers are the most important components of any commercial flat roof.

Flat roof drains scuppers gutters and drainage systems on flat roofs. 9 1 2 od base x 4 1 4 high with 3 bolt mounting holes. Watts drainage products rd 300 r series 6 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.

They are responsible for properly draining any and all accumulated precipitation. A plastic strainer for a flat roof drain is not a good idea. The design and configuration of a strainer are critical.