You will need about a bag of cement for this project. You will also need around 0.15 cu.m of sand.
Rubber cement can dry in 15 minutes if it is not a very thick coat. If it is a thick coat, it will take longer.
one yard of cement will make a 8 x 10 square foot slab at 4 inches thick, that's 80 sq. feet per yard of cement at 4 inches thick.
As a guideline, 4 inches thick, but it would depend on what is going to be sitting on top of it. You may need thicker and/or to reinforce it with rebar.
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9' by 18' by 4" thick requires at least two cubic yards.
How do you calculate cement mortar in 230mm thick brick
how many bags of cement for a pad 4x7x4 inches thick
9.3 cubic yards of cement is required for this slab.
Rubber cement can dry in 15 minutes if it is not a very thick coat. If it is a thick coat, it will take longer.
one yard of cement will make a 8 x 10 square foot slab at 4 inches thick, that's 80 sq. feet per yard of cement at 4 inches thick.
thick brick
1.85 cubic yards of cement.
The term "Top" in plastering means the finish or "top" coat. It needs to be stiff and thick so it doesn't run when applied to the surface.
A 16' x 8' by 4" slab requires 3.56 cubic yards of cement.
You will need at least 9.68 cubic yards of cement.
That will depend on how thick a layer you want.
5.93 cubic yards.