Act as a magnifying glass on the roof under the pond which increases the damaging ultraviolet exposure of that area of the.
Ponding water on rubber roof.
Degrading the roofing material itself.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
Roof slope created a simple and great fix to a project were crickets were missed and ponding water became an issue for an owner.
Over time it leads to deterioration and compromised roofing materials and structures.
Then we were able to correct the owner s ponding water concerns.
Ponding can wreak havoc on your roof if you ignore it.
Ponding or standing water is where the water collects on the roof and has not drained within a couple of days.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
The collected water can cause algae mold and vegetation growth as well as leave long lasting costly damage to your roof.
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.
This is a particular concern for older built up and modified roofs.
We were able to make new crickets to the existing roof membrane providing positive water flow to the drains.
It s really depends how much water the roof is holding.
On modern white roofs the water focuses the sunlight that passes through it like a prism and intensifies uv degradation.
After any rainfall lands on a flat roof water will begin to pool.
Collect dirt which may cause the growth of vegetation or telegraph mud cracking to the roof below.
If water is backing onto the roof clean out the gutters to restore proper water flow.
Some flat roofs can hold a small puddle of water here and there especially big roofs but if done to a good standard and the epdm up to scratch small puddles won t cause a problem.
Ponding water accelerates roof system aging by.
Roof systems are simply not designed to hold water.
Low spots in the roofing allow water to pond which can.
This can be done professionally or by homeowners who have access to a ladder and a power washer or a hose with.
If it s holding a lot of water this is not good amd firings should have been installed.
Common problems caused by flat roof ponding.