Ridge

Can be used for the ventilation of roof structures and attic spaces
Designed for felt roofing
Contains a valve, pass-through, underlay ring and fixing screws

Negative pressure air vent for the ventilation of roof structures and attic spaces
Designed for most common concrete tile roofing types; replaces one ridge tile
Contains a 100 mm pipe, cowl, ridge pass-through adapter and fixing screws

Negative pressure air vent for the ventilation of rolled or shingled felt roof structures
Installed in a chain on the ridge of a roof using SNAP couplings
The design of the product prevents water and snow from entering the building structures

Negative pressure air vent for the ventilation of sheet metal roof structures
Installed in round, angular or V-shaped ridge capping
The filter material in the vent prevents water and snow from entering the building structures