How To Fix A Leaking Flat Garage Roof

Clean the area where you found the garage roof leaks.

How to fix a leaking flat garage roof. Start low soaking the area just above where the leak appears in the house. For example soak the downhill side of a chimney first then each side then the top on both sides. Some roofers also suggest using 6d roofing nails to secure the blister flaps. Prepare the roof area surrounding the leak by removing dirt debris and raised parts of the old roofing.

Apply an epdm primer and when touch dry add self adhesive rubber tape 3 around malleable flashing covering the hole. Fill a bucket with warm water. When the membrane is completely dry apply the appropriate roof repair material such as roof cement tar or peel and stick patch. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.

Isolate areas when you run the hose. For example if an old felt roof is covered in moss loose rock chippings and lichen remove. A small patch can act as a permanent epdm roof repair for leaks and cracks. Use a sponge to wash away as much dirt as you can along the seam that is leaking.