To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists.
Replacing pitched felt roof with tiles.
Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe.
A small area of damage can be patched quite cheaply.
The range contains slates tiles roof membranes roof ventilation and a range of dry fixing products.
Due to the costs homeowners generally opt to replace the roof tiles at the same time.
Prices can range from 2 300 through to around 7 300 for a full roof depending on several factors as explained in this article.
If your roof is leaking it is not because of faulty under felt.
It would be far cheaper to fix the faulty tiles than to re felt the roof.
It is because you have faulty tiles somewhere on the roof.
Of course re felting the roof correctly will involve the removal and replacement of the tiles anyway.
When the rafters and the frame of the roof have been fitted or if you are simply replacing the tiles or slates when they and the batten underneath have been removed the next stage is to lay the roofing felt or roofing underlay.
If the damage is more extensive and the roof is leaking it is normally a sign of other problems with the.
This will cost around 460 510 made up of.
Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.
Damaged roofing felt roofing felt was introduced in the 1930s followed by breatheable membranes in the 1980s to provide an additional layer of waterproofing under the tiles or slates.