How To Build A Flat Concrete Roof

Hip and pyramid roofs.

How to build a flat concrete roof. These roofs are mostly flat but usually have a bit of a slope. 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. You can either use removable concrete forms or forms that are made of concrete and insulate the 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.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Step 10 pouring the grout. To make a grout you will need sand and portland cement. It is probably best to avoid flat concrete roofs in the first place.

Take a bucket and mix 2 1 2 parts of the sand with 1 part of cement. For this step you will have to make the grout mixture. 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. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

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. Of course you don t need to live in a modern house to deal with a flat roof. A grout will hold the flat concrete roof in place. There are two ways to make a framework for a flat concrete roof.

Exact specifications vary but most concrete roofs are several inches thick. A solid slab of concrete capping the top of your house. A concrete roof is exactly what it sounds like. As such they allow for outdoor living gardens or a living space on top.