Take a bucket and mix 2 1 2 parts of the sand with 1 part of cement.
Poured cement roof.
Make sure to evenly pour the concrete on all sides of your post so the hole fills in completely.
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.
A grout will hold the flat concrete roof in place.
A solid slab of concrete capping the top of your house.
Several factors determine the cost of a poured concrete wall such as the dimensions of the wall the thickness its height and its length the number of reinforcements present and the quality and type of concrete used.
Add some water to get a flowing consistency.
Exact specifications vary but most concrete roofs are several inches thick.
To make a grout you will need sand and portland cement.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
Construction sloping roof concrete easy pour concrete step by step buiding skills.
Typical insulating roof deck form planks manufactured in north america and designed for cast in place reinforced concrete roof decks.
Several of these are shown below.
Leave at least 2 inches 5 1 cm between your cement and ground level so you can cover it later.
Pour the concrete into the hole until it s 2 3 in 5 1 7 6 cm below ground level.
Ready mix cement can be sold as low as 108 per cubic yard.
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.
There are two ways to make a framework for a flat concrete roof.
You can either use removable concrete forms or forms that are made of concrete and insulate the house.
Step 10 pouring the grout.
Use a shovel or hoe to transfer your concrete into the hole.