These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof.
Roof felt lap vents.
Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.
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.
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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.
Felt support tray 1 5m 5 pack 36622 product rating 4 3 out of 5 stars compare.
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Adding roof ventilation to new build or renovations can help stop condensation from building up in your roof space and save you from costly repairs.
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Roofing ventilation 12 products we have the roofing ventilation to meet all requirements.
The manthorpe felt lap vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces.
Felt lap ventilators beat condensation with our range of felt lap ventilators which are very carefully designed to aid roof ventilation in poorly vented areas.
I ve also noticed in some places the existing insulation is quite flat though i haven t noticed any really damp.
25 x felt lap vents prevents loft roof condensation.
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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.
These applications are ideal for flat roofs or protective surfaces under roof level decks.
If you re interested in lap vents or fitting other types of roof ventilation like roof tile vents please visit the website here.