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.
How to fix a flat roof with felt.
Get a can of a waterproof roofing cement from the store.
For older felt roofing a patch of torched on roofing with add an additional layer and fix the damage.
Apply some bitumen adhesive over the repair and beyond to suit the patch and apply it.
Cover the edges of the roof with strips of felt before laying out the final layer.
Step by step guide for felting a flat roof step 1.
You can cover the surface of the felt with gravel for added strength.
Fill the hole with a layer of roofing cement.
You must remove any rotted pieces of wood on the roof and replace them with your plywood.
Fibreglass flat roof repair.
You will follow the same process as in step 2 for the last layer.
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.
You can either measure the roof from the ground or by standing on a ladder and actually going.
Apply another layer of adhesive to the top for maximum waterproofing.