How to fix water puddling on a flat roof.
Level low spot on flat asphalt roof.
This new roof was installed 2 ply hot mopped in 2015.
Low spots on a flat roof.
Shortly after we moved in a leak was discovered coming from the lower smaller portion of the roof.
The roofer will fill in the low area and give it a slope to match the existing slope of the 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.
Access the flat or low slope roof using an extension ladder.
However puddles 1 or more inches deep that linger for days can indicate a.
A professional roofer can usually fix a low spot in a roof with some roofing plaster.
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.
The problem is it s tough to get the strips just right to fully eliminate the pooling area.
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.
I have some areas on my flat roof that are low.
If you prefer a diy approach and are somewhat handy you can try filling the spot yourself.
Our house was built in 1949 and has a split level layout with a flat tar and gravel roof.
One way is to use layers of rolled asphalt.
Fill a low spot yourself.
In this particular case the client didn t have the budget for a re roof so that was out of the question anyways.
Old style flat roofs were often designed with pieces of asphalt felt paper sandwiched between tar.
When it rains it puddles there.