Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof.
Fixing roofing felt.
The cost of replacing roof felt under tiles will be included in the overall tiled roof roof repair costs.
Blisters in the felt.
Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.
Some roof leaks are tough to locate.
The first thing you need to do is remove the old worn felt from the roof.
For any repair always clean the area thoroughly removing any chippings and use a fungicide to kill any mould growth.
Generally the felt is tacked all the way along each edge.
For pieces that aren t coming loose press a putty knife underneath it.
Flat roof repairs when it comes to flat roof repair options simple patch repairs for flat roofs such as those on garages or extensions can cost a few hundred pounds.
A repair is best made after a long period of dry weather has allowed any moisture in the roof felt to dry out.
Apply pressure and chisel away at it until it comes loose.
Pull out nails that are holding felt to the roof using the sharp end of a claw.
Remove old felt from the roof with your hands and a putty knife.
Many roofs function quite well without any roofing felt so small tears and damage to roofing felt are not in themselves reasons to spend money on repairing it.
If you just want to patch a hole in otherwise good felt take a look at our patching roof felt guide or our guide to repairing roof felt for some general flat roof repair tips.
Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.
Sometimes the water shows up at a ceiling spot distant from the leak.