How To Fix A Flat Roof With Felt

Fibreglass flat roof repair.

How to fix a flat roof with felt.

For older felt roofing a patch of torched on roofing with add an additional layer and fix the damage. Step by step guide for felting a flat roof step 1. Get a can of a waterproof roofing cement from the store. Fill the hole with a layer of roofing cement.

If the old layer of felt roofing is in good enough condition then a liquid system repair can be applied. Press the patch firmly into place and make sure that the edges are well sealed. You must remove any rotted pieces of wood on the roof and replace them with your plywood. Apply some bitumen adhesive over the repair and beyond to suit the patch and apply it.

Most cans of cement work well for any roof but you may want to check the label to make sure it is appropriate for the kind of roof you have. You will follow the same process as in step 2 for the last layer. Please ensure that the user of a torch flame to conduct repair work on felt roofing is insured to work with naked flames and always have a readily available and easily accessible fire extinguisher to hand. Apply another layer of adhesive to the top for maximum waterproofing.

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.