OFT 1 Flat Roof Vent/Terminal
Product features and benefits:
*Large free vent area/Low Pa resistance
Application:
Allows termination through a flat roof to ducting up to 166mm,
With the spigot cut to 50mm allows ventilation into a flat roof to meet the requirements of Material Per Roof Type
THIS IS THE BLACK (Stack section Only). ASPHALT. 169931 (110mm) or 169933 (160mm)
Other versions available: (Please ask)
*Asphalt: Polyethylene/Aluminium
*Felt: Polyethylene
*EPDM: Polyethylene/Aluminium/EPDM
*Bitumen: Polyethylene/Aluminium/Bitumen
*PVC: Polyethylene/Aluminium/PVC
*Polyethylene material is fire retardant
Colours:
*Black (Stack section only)
The 110mm external diamter size is normal 'soil pipe' size and has an internal diameter of 100mm.
The 133mm size has a reducer down to 125mm.
The 166mm is external diameter but the felt version has 160mm outer diameter.