Patch Repair Flat Felt Roof

We had a problem with our shed workshop flat felt roof leaking and needed a quick repair.

Patch repair 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. To clear the roof use a tough broom. Press the patch firmly into place and make sure that the edges are well sealed. Always clean up any areas you wish to repair.

Firstly measure from the outside wall of the room along the ceiling to the damp spot dripping area. Sweep away water and debris from the damaged area. Any leftover dirt gravel and water in the area can prevent the repair material from bonding to 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.

Instead of replacing the felt roof we decided to use a product call. Diy temporary flat roof repair for felt roofs this is often a paint on fixfrom a tin like the repair videos at the top. 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.