Now as pointed out in this article on concrete slabs for garage floors it is possible to construct a sound slab without reinforcement with proper ground preparation a good concrete mix and sufficient expansion joints it is also possible to build houses over unstable soils.
Olathe codes on concrete garage slabs floors.
The slab is just that a slab.
As per the present market rates the average cost of concrete for a 400 square foot slab the typical size for a two car garage.
Building codes used to stipulate that the floor of an attached garage be four inches lower than the floor level of the house.
The thickness of concrete floor slabs supported directly on the ground shall not be less than 3 1 2 inches 89 mm.
Smoke damaged concrete garage slab.
Provided steps are taken to stabilize the soil or adjust the.
A 6 mil 0 006 inch.
Tie new curd to 6 slab.
Old habits die hard.
0 15 mm polyethylene vapor retarder with joints lapped not less than 6 inches 152 mm shall be placed between the base course or subgrade and the concrete floor slab or other approved equivalent methods.
That was no issue until now because it always an unheated garage.
The rationale for requiring this little step was that it would prevent spilled gasoline gasoline vapors and carbon monoxide from getting inside the house.
Living in zone 5a and using the table martin gave me in another thread i conclude i need.
Question about slab insulation.
The slab has to be at least 3 5 thick and possibly thicker for expansive or other difficult soils.
For garage floor slabs where a steel trowel finish is used.
Today s residential building code does not include this requirement.
2 38 eps or xps r 30 on top of the floor indoor.
Except for structural elements of plain concrete complying with section 1905 1 8 of the international building code structural elements of plain concrete are prohibited in structures assigned to seismic design category c d e or f.
Its more than just forms and pouring concrete.
It doesn t include labour supplies such as reinforcing bar or building permit fees.
Garage slab over existing concrete.
No footing no drainage.
The current slab has zero insulation on each side.
The cost of concrete for a slab garage floor includes the delivery of concrete and any material overages as a result of waste.