Flat Roof Drain Strainers

There are conditions on a roof that is not practical to lower a drain as illustrated in the videos above.

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

Watts drainage products rd 300 r series 6 in. Flat roof drains and strainers are the most important components of any commercial flat roof. They are responsible for properly draining any and all accumulated precipitation. 10 inch plastic roof drain dome strainer grate 3 hole black.

9 1 2 od base x 4 1 4 high with 3 bolt mounting holes. Replaces popular 10 inch plastic strainers domes. 0 out of 5 stars based on 0 reviews. To preserve the life of the roof however the debris that collects around them must be removed on a regular basis.

They become brittle and break. This is what it looks like after attaching the membrane to the cast iron drain. This video explains the principle of a drain basin. 10 inch black polyethylene drain dome strainer grate.

Watts drainage products rd 300 r series 4 in. If that s the case then an alternative solution is to fabricate a large strainer that will fit around the drain. With a proper strainer over this drain the roof will be maintenance free. A plastic strainer for a flat roof drain is not a good idea.

Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. 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.