To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists.
How to repair roof felt in loft.
According to the building expert in the telegraph the lining is only to keep the house interior dry until the tilers have.
So check the roof for any broken or loose tiles.
Alternately get more roofing felt and a tube of roofing caulk and glue felt patches over the rips with the caulk.
But make sure you check the instructions and leave enough time for the sealant to dry before sticking the new patch down.
You can fix tears in your roofing felt by putting a patch of new felt underneath.
The lead is finally fixed in place with copper nails hidden under the overlaps.
The felt is a secondary water barrier in case a tile is broken ect.
Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.
Nothing lasts and the loft is still bone dry though well ventilated.
However this isnt the only problem.
This will cost around 460 510 made up of.