However puddles 1 or more inches deep that linger for days can indicate a.
Water pools on flat roof.
Standing water weighs approximately 5 lbs.
It does not say for which season.
We have had a fibre glass flat roof installed on a new extension we ve had built.
Water pooling on flat roof originally posted by mathew stouffer i believe the international building code states flat roofs should be dry with in 48 hours after precipitation ends.
As such you need to get rid of the water that is on.
In two areas there is ponding of water that doesn t seem to drain away and takes a long time to clear whereas the remainder of the roof seems to dry out quite quickly.
How to prevent damage.
How to fix water puddling on a flat roof.
If the pooling water covers a 10 x 10 feet area and it is deeper than 1 then the added weight of this area is approximately 500lbs.
If water pools in the deteriorated area it can find its way through the roof and cause a leak.
This is why it s imperative that you don t allow water to pool on the roof for more than 48 hours after rainfall.
This weight will put stress on the joists or.
Per inch for every square foot.
Flat roof water pool weight can cause damage to the structure.
Flat roofs do not drain as effectively as pitched roofs.
This becomes more and more expensive as time goes on.
As a result flat roofs are notorious for developing ponding water.
This is done by not allowing the water to pool.
Ponding water is defined by roofers as water that stands in a puddle on the roof for longer than 48 hours.
It starts with the weight.