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Retro roof drains.
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.
See the full list of features.
Expanding tape seal 16 inch diameter 081 gauge spun aluminum base aluminum clamp ring 10 x 4 5 8 3 bolt aluminum strainer dome 12 inch long drain outlet fits into 2 inch drain pipes.
2 inch aluminiator all aluminum retrofit drain.
Zurn offers a replacement roof drain retrofit designed for renovation roof applications.
0 125 3 mm spun aluminum with 12 30 48 cm drain stem length and an extra large 17 5 44 45 cm diameter flange that allows positive attachment of roof flashing membrane.
The drain flange has a depressed sump area for improved flow and to facilitate water drainage from roof surface.