Surface Vents for Flat Roof (OFT/3F)
Surface Vents for Flat Roofs
  A range of void ventilators for use in the surface of felted roofs.

Surface Vents for Flat Roof (OFT/3F)
Function:
ROOF FINISH VOID VENTS
Felt OFT/1F
Free Vent Area: 110 Ø = 8400mm²
166 Ø = 20000mm²
Roof Finish: Built-up Felt.
Colour: Black.
Components:
Size Type
Diameter (mm)
Height Above Roof (mm)
Flange Diameter (mm)
Depth Below Flange (mm)
OFT/3F
110
250
330
50
166
300
363
50
Features: OFT/3– Void vents
Pack Information: