Flat Roof Depression

It may also void your warranty.

Flat roof depression.

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. My flat roof has a low place that accumulates standing water after a rain. Orient the spade at a 30 to 40 degree angle to the roof and start thrusting a spot in the middle of the roof. Plies are the layers of felts fabrics and mats that make up roofs.

Remove the plies of the flat roof by thrusting into them with a spade. Always stand on a firm section of the roof and wear long pants long sleeves and safety glasses. They can also be semi recessed with a constructed wood or sod roof standing out. 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 is built up with a cap of roll roofing about 10 years old in fairly good. That is something to address when it s time to re roof dyck says. However excessive ponding threatens your roof. The insulation could be compressed.

Flat roofs by their very nature will collect some water when it rains. Tile is designed for sloping roofs and will not adequately move water from the problem spot. 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. The roof deck s structural members could be weakened rusted if metal or broken if wood.

How to fix ponding on a flat roof depends on the cause of the ponding. Never use tile to fill low spots in flat roofs. 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.

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. Again these are repairs to stop roof leaks that may originate in the depressed area but not intended to remove the depression. Your building could have settled. In the photo below the impact depression is accompanied by a small hole.

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. A depression in your low slope roof will thanks to gravity collect water after any precipitation. Dugouts can be fully recessed into the earth with a flat roof covered by ground or dug into a hillside.