The roof is built up with a cap of roll roofing about 10 years old in fairly good.
Flat roof depression.
Plies are the layers of felts fabrics and mats that make up roofs.
How to fix ponding on a flat roof depends on the cause of the ponding.
It may also void your warranty.
I would like to build it up myself to drain properly.
Remove the plies of the flat roof by thrusting into them with a spade.
A depression in your low slope roof will thanks to gravity collect water after any precipitation.
That is something to address when it s time to re roof dyck says.
Always stand on a firm section of the roof and wear long pants long sleeves and safety glasses.
So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it.
The roof deck s structural members could be weakened rusted if metal or broken if wood.
The cause of the depression matters less than your plan to repair it.
Never use tile to fill low spots in flat roofs.
They can also be semi recessed with a constructed wood or sod roof standing out.
The sub roof is sturdy with no soft places the depression is only about 1 1 1 2 inches below grade in an area of about 8x10 feet.
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.
Tile is designed for sloping roofs and will not adequately move water from the problem spot.
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 excessive ponding threatens your roof.
My flat roof has a low place that accumulates standing water after a rain.
A dugout or dug out also known as a pit house or earth lodge is a shelter for humans or domesticated animals and livestock based on a hole or depression dug into the ground.
However puddles 1 or more inches deep that linger for days can indicate a.
By their very nature flat roofs do not completely drain after it rains.
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.
How to fix water puddling on a flat roof.
In the photo below the impact depression is accompanied by a small hole.
Dugouts can be fully recessed into the earth with a flat roof covered by ground or dug into a hillside.
