Retrofit Flat Roof Drains

Secure the clamping ring if applicable to the retrofit drain to prepare for the drain strainer.

Retrofit flat roof drains.

The unit is based on a flat underside flange for flush roofing material installation. Adjust the retrofit roof drain flange to lay flat on the roof surface. The portals plus reroof drain is designed for the easiest and most reliable installation for use in conjunction with an existing drain when reroofing. If uneven debris could enter the roof drain pipe and prevent water flow.

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. The rd2150 lines the existing roof drain utilizing the neoprene gasket providing a secure bond inside the drain pipe. Insert the retrofit roof drain into the existing drain pipe and tighten the protective seal.

Retrofit roof drains make roof drain replacement and installation quick and easy. A special precompressed modified asphalt impregnated expanding foam sealing tape automatically makes a permanent elastic watertight seal to the existing drain eliminating water backup.