The problem is it s tough to get the strips just right to fully eliminate the pooling area.
Level low spot on flat asphalt roof.
Shortly after we moved in a leak was discovered coming from the lower smaller portion of the roof.
When it rains it puddles there.
If you prefer a diy approach and are somewhat handy you can try filling the spot yourself.
A professional roofer can usually fix a low spot in a roof with some roofing plaster.
Our house was built in 1949 and has a split level layout with a flat tar and gravel roof.
How to fix water puddling on a flat roof.
In this particular case the client didn t have the budget for a re roof so that was out of the question anyways.
One way is to use layers of rolled asphalt.
The roofer will fill in the low area and give it a slope to match the existing slope of the roof.
Fill a low spot yourself.
Low spots on a flat roof.
Some contractors will cut out a few feet beyond the low spot and cut pitch strips to nail on the joists to level out the areas.
However puddles 1 or more inches deep that linger for days can indicate a.
This new roof was installed 2 ply hot mopped in 2015.
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.
By their very nature flat roofs do not completely drain after it rains.
Recently i noticed the low spots have began to blister not sure this is the correct term.
Old style flat roofs were often designed with pieces of asphalt felt paper sandwiched between tar.
Another method for fixing low spots is to apply new roofing plies to the problem spot.
Identify the low spots or areas where ponding occurs by water stains on the roof coating mud or concentrated debris.