Concrete Slab Roof Leaking

Concrete cannot be the top layer of any roof.

Concrete slab roof leaking.

However concrete is porous. No water isn t going to soak up like a sponge but concrete does allow water to seep through when there is enough. If you have a look t some of the houses in portmore you will see the steel protruding from the roofs. It must be under slope.

Most concrete roofs follow a similar type of construction. 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. A 10 to 15 cm thick slab of reinforced concrete with a thin 2 to 5 cm thick layer of cement on the top. The most common complaint with regard to both concrete tile and flat concrete roofing is water leaks.

Here in florida most building foundations are concrete slab. Roof penetrations are found on many flat concrete slab roofs. You have a rock hard concrete floor and it seems impervious to water intrusion. This cement layer is known as a screed and contrary to popular belief its purpose is not to waterproof the roof.

Do waterproof your roof. Concrete also cracks and those cracks will be the first.