Ponding Wter On Roof

The adverse effects of ponding water on roofs can include.

Ponding wter on roof.

Determining the root cause of ponding water regardless of the formula roof coatings should never be an excuse to ignore ponding water issues. Degrading the roofing material itself. If this water sits on the roof for more than 48 hours after the rain has stopped it can cause considerable damage to whatever roof surface you have. This can be done professionally or by homeowners who have access to a ladder and a power washer or a hose with.

When water pools for longer periods of time it can indicate a serious problem. Ice formations develop and move constantly with changes in temperature. Flat roofs by their very nature will collect some water when it rains. After any rainfall lands on a flat roof water will begin to pool.

Damage to the roof surface. It may also void your warranty. Ponding water might not be an immediate threat but if it is allowed to persist over time that water can begin to wear on the roofing membrane. The ponding or standing water can.

On modern white roofs the water focuses the sunlight that passes through it like a prism. How to fix ponding on a flat roof depends on the cause of the ponding. Take the drains you already have and widen them add more drains to what you already have use a sloping material to take the standing water and redirect it towards the drain in the back corner. Deformation of the deck structure.

One of the biggest problems with large flat roofs is that they tend to pond water in certain areas. However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate. What do you need to do. On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.

So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it. Ponding water is known in the roofing community as water that stands in a puddle on the roof for more than 48 hours at a time. Collecting dark colored. Every roof needs positive drainage which means water should flow off the roof within 48 hours.

However excessive ponding threatens your roof. Ponding water accelerates roof system aging by. Ponding water can substantially increase the load on roof decks. This is a particular concern for older built up and modified roofs.