Carefully clean the surface over and around the blister of any chippings mould and dirt.
Repair cracked roofing felt.
This will usually be a crack in the felt or where the felt has peeled away from the roof.
To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists.
Old pour and roll felt roofing can crack get puncture holes usually from impact or the felt could split.
A roofing contractor can investigate the cause of the cracks and determine the best solution for your roof.
If the issue is caught early enough small areas can be removed and patched.
Edging can also lift or old flashings against the wall could leak.
Remove loose roofing gravel at the area of a crack with a wire brush.
The surface may also suffer from dips or hollows.
Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.
To fix a felt flat roof leak first find out where the water is working it s way through the felt.
Typical cracks show up as deep lines in the roofing.
For any repair always clean the area thoroughly removing any chippings and use a fungicide to kill any mould growth.
This will cost around 460 510 made up of.
Pour some water on the felt roof to see how the water runs into the gaps.
As with most temporary flat roof repair work a paint on solution can fix leaks.
Blisters in the felt.
Felt flat roof repair.