To install such a roof a crew first builds a framework for the intended roof.
How to build a roof over concrete block.
Building a concrete block shed.
The steel joists will provide a strong foundation for the flat concrete roofing.
Tip space the concrete blocks either 16 3 4 inches or 24 3 4 inches depending upon the size blocks you use.
Cover the entire surface of the concrete block roof with a polyethylene sheeting and allow it to cure.
Insert the 16 inch anchor bolts upright in the cement grout beginning at one corner and spacing the bolts four feet apart along the top of the wall leaving only two inches remaining above the grout and cinder block surface.
In some regions concrete block is also a common building.
Concrete block has been used as a building material for more than a century.
Step 3 placing the steel joists.
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.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
Make sure that the anchor bolts are directly in the center of the cinder block core.