For steeper slopes you will have to go to a 1 in.
Sloped concrete roof slab.
If you aren t sure just describe the job to the concrete dispatcher and they will tell you what slump to use.
Feb 12 2018 the reinforcement detail of a sloped concrete roof that is supported by a beam.
For a mild slope such as the 1 in 20 slope required for a wheelchair ramp a 3 in.
A concrete roof is exactly what it sounds like.
Construction sloping roof using mixer truck latest technologies building sloping concrete roof.
Feb 12 2018 the reinforcement detail of a sloped concrete roof that is supported by a beam.
Aci 117 90 st andard specifications for tolerances for concrete construction and materials gives a level alignment tolerance of 3 4 inch for top of slab elevation of slabs on grade.
A system for building sloped concrete roofs.
A sloped concrete roof is much more complicated king confirms.
From a structural standpoint low slump concrete is good.
However the code does not specifically give an amount of slope.
Feb 12 2018 the reinforcement detail of a sloped concrete roof that is supported by a beam.
Embedded 3 4 inch into the roof slab after concreting these channels retain the insulation and serve as attachment points for interior ceiling finishes.
The general consensus is the minimum slope should be 1 8 per foot.
A solid slab of concrete capping the top of your house.
The important part is to have the top of the slab at door openings be at the 3 3 4 of exposed skirt board left.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
A network of metal or plastic channels placed along the edges of the insulation board projects above it to support the roof.
This would work out to exactly the 4 5 inches in 36 feet which you had guesstimated.