Retrofit Flat Roof Drains

If uneven debris could enter the roof drain pipe and prevent water flow.

Retrofit flat roof drains.

The rd2150 lines the existing roof drain utilizing the neoprene gasket providing a secure bond inside the drain pipe. Secure the clamping ring if applicable to the retrofit drain to prepare for the drain strainer. Omg supplies roofing fasteners for the roofing industry as well as pipe supports insulation adhesives retrofit roof drains and construction accessories. The portals plus reroof drain is designed for the easiest and most reliable installation for use in conjunction with an existing drain when reroofing.

Insert the retrofit roof drain into the existing drain pipe and tighten the protective seal. Adjust the retrofit roof drain flange to lay flat on the roof surface. The unit is based on a flat underside flange for flush roofing material installation. The rd2150 is designed specifically for renovation or retrofit applications where a existing roof drain body cannot be utilized.

Hercules retrodrains are designed to replace existing drains in re roofing applications and are engineered to be installed from the roof surface without removing the existing drain fixture. A special precompressed modified asphalt impregnated expanding foam sealing tape automatically makes a permanent elastic watertight seal to the existing drain eliminating water backup.