How To Repair A Flat Felt Roof

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 flat felt roof.

If the old layer of felt roofing is in good enough condition then a liquid system repair can be applied. Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it. Apply some bitumen adhesive over the repair and beyond to suit the patch and apply it. Permanent flat roof repair this can either be a patch of torched on roofing felt or a layer on top of your existing.

Diy temporary flat roof repair for felt roofs this is often a paint on fixfrom a tin like the repair videos at the top. Cut around the damaged area until the membrane rests flat. A waste of time if your felt roof has the problem. Apply some bitumen adhesive to the exposed surface and fold back the segments.

For older felt roofing a patch of torched on roofing with add an additional layer and fix the damage. Sometimes doing that is difficult. For most small punctures you can repair your roof simply by forcing sealant into them. Instead of replacing the felt roof we decided to use a product call.

Press down the top layer into the adhesive.