Level Low Spot On Flat Asphalt Roof

I have some areas on my flat roof that are low.

Level low spot on flat asphalt roof.

Our house was built in 1949 and has a split level layout with a flat tar and gravel roof. Shortly after we moved in a leak was discovered coming from the lower smaller portion of the roof. Recently i noticed the low spots have began to blister not sure this is the correct term. This new roof was installed 2 ply hot mopped in 2015.

Old style flat roofs were often designed with pieces of asphalt felt paper sandwiched between tar. In this particular case the client didn t have the budget for a re roof so that was out of the question anyways. The problem is it s tough to get the strips just right to fully eliminate the pooling area. When it rains it puddles there.

Low spots on a flat roof. Here is a video on how to seal a flat roof permanent it does not required a lot of skills just time to let it dry completely hope it beco. However puddles 1 or more inches deep that linger for days can indicate a. Access the flat or low slope roof using an extension ladder.

In these kinds of felt roofs it is possible to fill low spots with two or three layers of felt applied with tar or another bitumen. A professional roofer can usually fix a low spot in a roof with some roofing plaster. If you prefer a diy approach and are somewhat handy you can try filling the spot yourself. Another method for fixing low spots is to apply new roofing plies to the problem spot.

By their very nature flat roofs do not completely drain after it rains. Identify the low spots or areas where ponding occurs by water stains on the roof coating mud or concentrated debris. How to fix water puddling on a flat roof. Fill a low spot yourself.