Step 10 pouring the grout.
How to build a concrete roof.
To make a grout you will need sand and portland cement.
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.
Standard hollow blocks laid on their face and supported between steel joists make a structurally sound roof and far surpasse any code requirements.
In this video i m gonna show you how to make concrete slab roof of water tank.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
Take a bucket and mix 2 1 2 parts of the sand with 1 part of cement.
A newly developed system now allows roofs to be built from concrete block.
The concrete blocks are supported by steel joists that make concrete floors and roofs simple and affordable.
There are two ways to make a framework for a flat concrete roof.
A grout will hold the flat concrete roof in place.
A concrete roof is exactly what it sounds like.
Add some water to get a flowing consistency.
Construction sloping roof concrete easy pour concrete step by step buiding skills.
Exact specifications vary but most concrete roofs are several inches thick.
Material included in this concrete slab are wood structural iron portland c.