Cut a piece of new felt to use as a patch big enough to give above a 50mm 2 inch overlap beyond the repaired blister.
How to repair a leaking felt roof.
After setting the patch in place press it lightly and drive roofing nails around its perimeter.
Firstly measure from the outside wall of the room along the ceiling to the damp spot dripping area.
Instead of replacing the felt roof we decided to use a product call.
Apply some bitumen adhesive to the exposed surface and fold back the segments.
Ensure the nails that.
This will usually be a crack in the felt or where the felt has peeled away from the roof.
To fix a felt flat roof leak first find out where the water is working it s way through the felt.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
Press down the top layer into the adhesive.
We had a problem with our shed workshop flat felt roof leaking and needed a quick repair.
Insert a nail in the hole where water is leaking through the roof.
If this technique is not possible below are other ways to detect a leak on a flat roof and remember to clearly mark the area of the leak when you find it.
The nail will provide a path for the water.
If you did replace the substrate add layers of rubber roll roofing until the area is flush with the surrounding roofing.
Apply some bitumen adhesive over the repair and beyond to suit the patch and apply it.
Next it s time to.
Pour some water on the felt roof to see how the water runs into the gaps.