How To Repair Leaking Flat Concrete Roof

The concrete roof described in this article is a nearly flat roof sloping slightly less than 1 in 12 to a roof drain in one corner.

How to repair leaking flat concrete roof.

Elastomeric roof coatings for roof leaks repair. The entire concrete roof was coated with liquid rubber including an interlacing fiberglass mesh to make the membrane even more robust. Advances in crack repair for home foundations extend to needed repairs in concrete roofs. When there are leaks in a flat concrete roof the fast fix is usually to apply some kind of sealant or waterproof cement at the site of the leak.

If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures. New repairs using epoxy and polyurethane foam when performed properly offer years of relief from leaks. This roof was constructed atop a home in san miguel de allende in guanajuato mexico in 2000. Standard design and method of construction.

For thin or hairline cracks low viscosity epoxy resins will more often achieve better results. Concrete flat roof repair. Most of the time cracks can be filled with caulking materials to prevent further damage. The most common complaint with regard to both concrete tile and flat concrete roofing is water leaks.

Some roof leaks are tough to locate. How to diagnose and repair leaky flat low slope roofs. It has got a slope roof of around 900 sqft and 500 sqft of flat root it s leaking in many areas. Contacted a couple of water proofing contractors.

Most concrete roofs follow a similar type of construction. Sometimes the water shows up at a ceiling spot distant from the leak. One said to use brush bond like in your blog clean fix the cracks screed apply brush bond then screed over it. In bali these days in spite of the balinese request that all buildings have traditional sloping balinese roofs flat concrete roofs have become commonplace and as it happens leaks in flat concrete roofs have become almost as commonplace.

As this building was particularly big there was a lot of movement and therefore liquid rubber was the ideal solution to waterproof this flat roof and stop water leaks.