Concrete Slab Roof Leaking

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.

Concrete slab roof leaking. Concrete also cracks and those cracks will be the first. What is extremely important is that this metal sheet isn t horizontal. No water isn t going to soak up like a sponge but concrete does allow water to seep through when there is enough. This cement layer is known as a screed and contrary to popular belief its purpose is not to waterproof the roof.

The most common complaint with regard to both concrete tile and flat concrete roofing is water leaks. Concrete cannot be the top layer of any roof. Most likely you have just a concrete slab and not roof system with layers of insulation what you should do is to cover concrete with metal sheet for example. Roof penetrations are found on many flat concrete slab roofs.

If you have a look t some of the houses in portmore you will see the steel protruding from the roofs. Roof penetrations are ac units vents drains pipes steel protuding from the roof and other systems that come through the concrete roof. A 10 to 15 cm thick slab of reinforced concrete with a thin 2 to 5 cm thick layer of cement on the top. It must be under slope.

Do waterproof your roof. You have a rock hard concrete floor and it seems impervious to water intrusion.