Often called a felt lap vent because they are mostly fitted to older roofs with bitumen felt undersarking a lap vent will provide the easiest diy fit solution to ventilation problems and despite their name they can also be fitted to roof membranes too if needed.
Roof felt lap vents.
These applications are ideal for flat roofs or protective surfaces under roof level decks.
Some roofing felts are actually glued down.
The manthorpe felt lap vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces.
Beat condensation with our range of felt lap ventilators which are very carefully designed to aid roof ventilation in poorly vented areas.
Installing the roofing felt does take care but can go very quickly.
Usually fitted retrospectively to properties with additional loft insulation recently installed however the felt lap vent will help to combat the problem of condensation build up in any roof space with a lapped felt membrane construction.
Our range includes manthorpe s felt lap vents hambleside s hd underlay lap vents in black pvc easy vent s loft vent and icoair s pitched roof vent.