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What is the standard slab thickness of a residential interior concrete floor?

2-4 inches
21%
4-6 inches
65%
6-8 inches
9%
Not sure
3%
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Question: What is the standard slab thickness of a residential interior concrete floor?
Top Answer (65% of 32 votes): 4-6 inches.

Answer: 6-8 inches
Explanation: We've always done 6 to 8 just for foundation purposes
SouthPac Construction
Answer: 4-6 inches
Explanation: Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks.
Colorado Concrete
Answer: 4-6 inches
Explanation: Normal slab for residential structure would be 4". There are grade support beams through the slab also.
Design4
ProMatcher
Answer: 4-6 inches
Explanation: Our average thickness is 4in and we use #3 rebar on 16in centers with 3000 psi concrete.
A to Z Fence and Concrete
Answer: 4-6 inches
Explanation: 4 inches except for perimeter which should be a 8 inch minimum
DIRTCO CONSTRUCTION
Answer: 4-6 inches
Explanation: Residential concrete slabs should always be poured at 4 to 5 inches with compacted fill and footers at blueprint spec,to avoid any sinkholes in the future.
Lals Concrete Company,LLC
ProMatcher
Answer: 4-6 inches
Explanation: This really varys it all depends on how the house foundation is built and also where it is built. I have done homes in Georgia that where post tensioned and the footing only where 12 inches. Then I have done homes in Michigan and footing where min 27 inches. It depends on the specs and the climate you live in
h and h company
Answer: 2-4 inches
Explanation: Residential concrete slabs are typically 4"
Concrete & Beauty Design
Answer: 4-6 inches
Explanation: Sometimes 8 inches and with wire mash
Garcias Concrete Service
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