Flat Roof Drain Strainers

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.

Flat roof drain strainers. This video explains the principle of a drain basin. A plastic strainer for a flat roof drain is not a good idea. This is what it looks like after attaching the membrane to the cast iron drain.

0 out of 5 stars based on 0 reviews. There are conditions on a roof that is not practical to lower a drain as illustrated in the videos above. 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. With a proper strainer over this drain the roof will be maintenance free.

They are responsible for properly draining any and all accumulated precipitation. 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. 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.

They become brittle and break. To preserve the life of the roof however the debris that collects around them must be removed on a regular basis.