How To Build A Flat Concrete Roof

Concrete rooftops are usually built on commercial buildings however flat concrete roofs and concrete shingles have been gaining popularity for use in constructing private homes.

How to build a flat concrete roof.

To make a grout you will need sand and portland cement. It is probably best to avoid flat concrete roofs in the first place. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. There are two ways to make a framework for a flat concrete roof.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. A solid slab of concrete capping the top of your house. Still even if this material does afford a much longer life than other choices it is as susceptible to the elements as any other material. Hip and pyramid roofs.

A grout will hold the flat concrete roof in place. As such they allow for outdoor living gardens or a living space on top. Of course you don t need to live in a modern house to deal with a flat roof. As the name suggests a pyramid roof is a roof in the shape of a pyramid and is designed for a square building.

A concrete roof is exactly what it sounds like. The flat concrete roof itself can be up to 7 inches thick although the greater the thickness the more the concrete will need be poured in increasing numbers of layers with each. Exact specifications vary but most concrete roofs are several inches thick. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

You can either use removable concrete forms or forms that are made of concrete and insulate the house. For this step you will have to make the grout mixture. These roofs are mostly flat but usually have a bit of a slope. Add some water to get a flowing consistency.