Remove the plies of the flat roof by thrusting into them with a spade.
Flat roof depression.
Roof impact when a heavy object such as a tree branch drops on the roof it will cause a depression in the area and likely some structural damage to sheathing and roof trusses or rafters underneath.
However puddles 1 or more inches deep that linger for days can indicate a.
The appearance of puddles on the roof could also be caused by drainage problems so make sure outlets are cleared and drainage systems are functional.
Never use tile to fill low spots in flat roofs.
How to fix ponding on a flat roof depends on the cause of the ponding.
Plies are the layers of felts fabrics and mats that make up roofs.
It may also void your warranty.
Your building could have settled.
Orient the spade at a 30 to 40 degree angle to the roof and start thrusting a spot in the middle of the roof.
The roof is built up with a cap of roll roofing about 10 years old in fairly good.
Tile is designed for sloping roofs and will not adequately move water from the problem spot.
The cause of the depression matters less than your plan to repair it.
By their very nature flat roofs do not completely drain after it rains.
The roof deck s structural members could be weakened rusted if metal or broken if wood.
A depression in your low slope roof will thanks to gravity collect water after any precipitation.
How to fix water puddling on a flat roof.
Flat roofs by their very nature will collect some water when it rains.
The insulation could be compressed.
Always stand on a firm section of the roof and wear long pants long sleeves and safety glasses.
That is something to address when it s time to re roof dyck says.
In the photo below the impact depression is accompanied by a small hole.
Again these are repairs to stop roof leaks that may originate in the depressed area but not intended to remove the depression.
Dugouts can be fully recessed into the earth with a flat roof covered by ground or dug into a hillside.
So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it.
I would like to build it up myself to drain properly.
My flat roof has a low place that accumulates standing water after a rain.
However excessive ponding threatens your roof.