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

2-4 inches
21%
4-6 inches
64%
6-8 inches
10%
Not sure
2%
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Question: What is the standard slab thickness of a residential interior concrete floor?
Top Answer (64% of 37 votes): 4-6 inches.

Answer: 4-6 inches
Explanation: Residential interior floors are typically 4" thick in standard exposure situations, thickening up to 24" for load bearing in turndowns, grade beams, or thickened slab locations.
Maven Group LLC
Answer: 4-6 inches
Explanation: Its the average standard for strength and durability of concrete for its purpose.
BAT Concrete llc
Answer: 4-6 inches
Explanation: This aplies to non post tension slabs which are 10 inches
Concrete Designs
ProMatcher
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
Answer: 4-6 inches
Explanation: 4 usually is ok , but if there is load bearing walls that will be framed on new slab then thickened slab or footing needs to installed.
Concrete services
ProMatcher
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
Answer: 4-6 inches
Explanation: 4"" is sufficient
LPG,LLC
ProMatcher
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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