This Square Through Wall Roof Drain is manufactured from highly durable thermoplastic rubber, making it resistant against low temperatures and able to remain flexible in temperatures as low as -40°C. Able to be installed either vertically or horizontally, this Through Wall Flat Roof Drain has been designed to be installed at the angle of two intersecting surfaces. It is compatible with a variety of bituminous waterproofing and is suitable for bonding. Features & Benefits Made from strong and flexible thermoplastic rubber (TPE) Can be bonded to the waterproofing membrane Remains flexible in temperatures down to approximately -40°C Can be installed vertically or horizontally Specification Drain Size: 100mm x 65mm Length of Pipe: 495mm