However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
Ponding water on rubber roof.
Degrading the roofing material itself.
Ponding water accelerates roof system aging by.
After any rainfall lands on a flat roof water will begin to pool.
Roof slope created a simple and great fix to a project were crickets were missed and ponding water became an issue for an owner.
Act as a magnifying glass on the roof under the pond which increases the damaging ultraviolet exposure of that area of the.
On modern white roofs the water focuses the sunlight that passes through it like a prism and intensifies uv degradation.
If the water does not drain within a 48 hour period it is highly likely that it will stay even longer and there will be a larger amount of water standing.
Collect dirt which may cause the growth of vegetation or telegraph mud cracking to the roof below.
This is a particular concern for older built up and modified roofs.
Ponding or standing water is where the water collects on the roof and has not drained within a couple of days.
The collected water can cause algae mold and vegetation growth as well as leave long lasting costly damage to your roof.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
Over time it leads to deterioration and compromised roofing materials and structures.
If it s holding a lot of water this is not good amd firings should have been installed.
Ponding water is typically a sign of a drainage problem that needs to be addressed because when left unaddressed ponding water on a roof can.
Ponding can wreak havoc on your roof if you ignore it.
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.
If water is backing onto the roof clean out the gutters to restore proper water flow.
Common problems caused by flat roof ponding.
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 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 can be done professionally or by homeowners who have access to a ladder and a power washer or a hose with.
Then we were able to correct the owner s ponding water concerns.
