Low spots in the roofing allow water to pond which can.
How to fill in ponding water on a flat roof.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
When it comes to pooling on your flat roof you might find that the water ponds in specific areas.
The best way to battle water ponding in these areas is to install roof crickets in those areas.
Then apply a coat of the pond coat 24 larger than the perimeter of the ponding area so in essence you will be overlapping the standard coating with pond coat and the pond coat will extend 24 beyond the furthest point of ponding water.
These areas typically are near chimneys or around large vents.
You can also use a general epoxy concrete filler and apply mastic on top using a trowel.
After any rainfall lands on a flat roof water will begin to pool.
Adding tapered insulation will fix the slope of the roof and add to the building s energy efficiency.
If a large portion of the roof is ponding you can coat the entire roof with this product.
3 use the utility knife to cut a 12 inch diameter circular patch out of the rolled asphalt roofing.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
If your flat roof has ponding water let the experts at eagle watch roofing take a look.
Dry the puddled water with old rags or towels and allow the roof exterior to completely air dry.
If there is gravel on the roof move it aside to reach a flat surface for these kinds of applications.
Roof patch putty can be applied using a trowel to fill low areas.
Mastic is a flexible sealant that adheres to almost any material.
Common problems caused by flat roof.
It is not cheap but if you have to fix the slope this option has the extra benefit of added insulation.
Ponding can occur on flat and low slope roofs that are installed using tarpaper roofing tar and fine gravel or a similar built up system.