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.
Fixing roofing felt.
Removing the old felt and nails.
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.
Generally the felt is tacked all the way along each edge.
Remove old felt from the roof with your hands and a putty knife.
For pieces that aren t coming loose press a putty knife underneath it.
Sometimes the water shows up at a ceiling spot distant from the leak.
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.
Carefully clean the surface over and around the blister of any chippings mould and dirt.
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.
Pull out nails that are holding felt to the roof using the sharp end of a claw.
Apply pressure and chisel away at it until it comes loose.
Some roof leaks are tough to locate.
Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof.
Grab loose pieces of felt and pull them off the roof with your hands.
Blisters in the felt.
The cost of replacing roof felt under tiles will be included in the overall tiled roof roof repair costs.
For any repair always clean the area thoroughly removing any chippings and use a fungicide to kill any mould growth.
A repair is best made after a long period of dry weather has allowed any moisture in the roof felt to dry out.