How To Build A Concrete Slab Roof

The cap beam evenly distributes the load of the roof slab to the piles below.

How to build a concrete slab roof.

Use a metal cutting blade or disc in a reciprocating saw circular saw or grinder to cut the rebar. Use a single piece wherever you can and make sure it is centered over the seam when you put it down. Step 1 taking safety precautions. Key steps to constructing a concrete roof slab.

Step 5 placing the concrete slabs. Step 3 placing the steel joists. This will help in two ways. Then switch to a paintbrush.

Lay the concrete slabs. After placing the headers and tubes at over the slab pave the roof slab ensure all tubes are placed well and compact with concrete mixture so that after paving the roof will look like a normal concrete floor. The steel bar joists are l shaped so the blocks have a flange to sit on. These frames can either be removable concrete forms or stay in place insulating concrete forms which simply become a part of the finished roof.

Rest the blocks between the 7 inch joist pairs up against each other. Start at one end and paint yourself into a corner. Tie in the rebar to strengthen the slab cover the fill with a layer of 6 mm plastic sheeting. Next apply a coat of concrete primer to the entire roof.

Grooves and reinforcing bars. Make sure you wear all. Building a concrete ceiling will increase the phonic insulation and durability of your house. Walk on the tape after it is laid to press it down further for the best hold.

Step 4 coat with primer. Tie two bands of 1 2 in. How to build a flat concrete roof. Once excavation and piles are complete a concrete cap beam is poured across the top of the piles.

Steel reinforcing rods rebar to stakes set about four inches from the perimeter of the forms. Understand the gravity of the project and take the necessary safety precautions. Step 2 deciding on the size. Install a row of concrete blocks on their faces with the open ends facing towards the sides.

But these advantages come together with a few drawbacks such as the higher cost of the project or the fact that pouring a concrete ceiling may take up to several months until you can actually build the walls and the roof. The air gap in the tubes will act a insulation since heat travel through air will be less. The joists are basically to provide a foundation for the concrete blocks.