Poured Concrete Roof Construction

When a normal weight structural concrete roof deck is poured i e.

Poured concrete roof construction. Portland cement gravel aggregate and sand. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab. You can either use removable concrete forms or forms that are made of concrete and insulate the house. Typical insulating roof deck form planks manufactured in north america and designed for cast in place reinforced concrete roof decks.

There are several manufacturers of insulating concrete forms in north america that can be used to support monolithically poured cast in place concrete slab systems. The first thing to realize is that concrete block is made from poured concrete. Cast in place it contains a high level of water. These are the same ingredients you d find in a poured or cast concrete foundation.

There are two ways to make a framework for a flat concrete roof. Others design the final roof finish to be applied over the foam. The kings have designed and built a number of complex sloping concrete roofs in north texas. One was installed on the 15 000 sq.

Step 3 placing the steel joists. Built with specially formulated concrete made of volcanic ash this micro house in tokyo maximizes space through vertical construction. However when a lightweight structural concrete lwsc roof deck is poured in place it uses significantly more water. Interior support beams can help but the construction works best when concrete walls floor and roof form a solid shell.

Some designers recommend a monolithic slab poured over the top of the beams. Of course a concrete roof requires more support than a typical wooden roof. Hoffman residence just east of dallas in forney texas. When tokyo based architecture firm atelier tekuto received a brief from their clients to build a distinctive environmentally conscious concrete home they embarked on a two and a half year journey of spacial.

The only difference between the two finished products s the size of the gravel. For this reason adding a concrete roof onto a wood framed house requires a great deal of structural adjustment. 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 one needing to dry before the next is poured. Concrete weighs a lot and the outside walls have to be capable of supporting the giant slab.

The steel joists will provide a strong foundation for the flat concrete roofing. One of the most crucial step in building a flat concrete roof is to figure out the size of the concrete block you will need.