Ponding Water On Rubber Roof

It s really depends how much water the roof is holding.

Ponding water on rubber roof.

After any rainfall lands on a flat roof water will begin to pool. Degrading the roofing material itself. 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. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.

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. Common problems caused by flat roof ponding. This is a particular concern for older built up and modified roofs.

Ponding can wreak havoc on your roof if you ignore it. Even flat roofs contain a slight slope to maintain positive drainage. Roof systems are simply not designed to hold water. 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.

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. Over time it leads to deterioration and compromised roofing materials and structures. 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.

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. 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.

We were able to make new crickets to the existing roof membrane providing positive water flow to the drains. If it s holding a lot of water this is not good amd firings should have been installed. Then we were able to correct the owner s ponding water concerns. Ponding or standing water is where the water collects on the roof and has not drained within a couple of days.