Blisters or bubbles are caused when water penetrates the felt through a crack or hole and then expands with the heat and lifts the felt away from the roof.
Repairing hole in roof felt.
You should now be able to see an area of the wooden roof under the felt.
2 posts page 1 of 1.
Measure the hole you have just cut and cut a piece of spare felt so that it is about 75mm larger than the hole all the way around.
I have a normal uk type cold roof with interlocking tiles over the roofing felt.
Temporary patch jobs are only effective until the rain starts.
As the tiles are in a good state i don t have any leaks at present but i rather fix the problem before it becomes an issue.
It is quite easy to repair bubbles or blisters in a felt roof with a few simple tools and some bitumen available from all good diy stores.
The tiles seem to be in reasonable condition so i m wondering if it is possible to repair the felt without having to take the tiles off.
Wind driven water that would normally flow down the felt and into the gutter instead drips onto the soffit and then back onto the ceiling of the room below through gaps in the felt.
Repairing a roof should be a top priority for any homeowner.
By jlc sun feb 10 2013 5 49 pm.
Instead of replacing the felt roof we decided to use a product call.
There are a few small rips in the felt about 5cm or 10cm long.
Repairing felt around the eaves.
Cut away a square or rectangle of the felt directly around the damaged area so that you have nice clean and flat edges around the hole.
A hole in the roof invites disaster from water damage on drywall and flooring to animal infestation.
We had a problem with our shed workshop flat felt roof leaking and needed a quick repair.
Holes in roof felt.