Johns Manville Corp. Datasheets for Drains and Drain Systems

Drains and drain systems are used to capture and remove water to prevent accidents, flooding or other hazardous conditions.
Drains and Drain Systems: Learn more

Product Name Notes
Flex-I-Drain is a unique roof drain system, designed to connect to the building plumbing system with no hub connectors. The flexible bellows allow differential movement up to 1"(2.54 cm) in...
PVC AlumaWeld® RetroDrain® is a one-piece, spun aluminum body has a plastisol-coated flange for direct hot-air welding to PVC roof membranes. The drain flange has a depressed sump area to...
Short Boot Flex-I-Drain® is a unique roof drain system, designed to connect to the building plumbing system with no hub connectors. The flexible bellows allow differential movement up to 1"(2.54...
SuperDome® RetroDrain® is manufactured with a tough copolymer resin that is compatible with any roofing system, PC/PET drains can even withstand the heat associated with torch down roofing applications. The...
The Hercules® RetroDrain® is a one-piece spun aluminum body and heavy-duty cast aluminum dome and clamping ring provide strength and durability. The drain flange has a depressed sump area to...
The one-piece spun aluminum body has a TPO-coated flange for direct hot air welding of TPO roof membranes. The drain flange has a depressed sump area for improved flow and...
The PC/PET RetroDrain® is manufactured with a tough copolymer resin that is compatible with any roofing system, PC/PET drains can even withstand the heat associated with torch down roofing applications...
USII RetroDrain® is an economical option featuring a one-piece spun aluminum body and heavy-duty cast aluminum strainer dome for strength and durability. The extra large flange provides a wide area...