Answer: 56 inches Explanation: concrete must to 5 to 6 inches tick for reinforcement and use rebars for the footings to reinforce 
RAMOS CONCRETE CONSTRUCTION 
Answer: 56 inches Explanation: Between 4" and 6" depending on the garage. 
Cronin Construction & Resource Management, LLC 
Answer: 45 inches Explanation: Industry standard for residential garage floor thickness is 45" with a thickened edge where load transfer occurs. 
Maven Group LLC 

ProMatcher 
Answer: 34 inches Explanation: Same as driveways 
QUALITY CONTRACTORS 
Answer: 67 inches Explanation: The standard concrete garage floor is six inches thick and, with use of proper control joints, should be thick enough to withstand normal use. 
Colorado Concrete 
Answer: 45 inches Explanation: Garage floors are 35 inches 
Design4 

ProMatcher 
Answer: 45 inches Explanation: The standard thickness will depend on the use of the garage. We find that 4 inches of 3000 psi concrete is adequate for most applications. 
Alliance Construction 
Answer: 56 inches Explanation: A 6" slab is required for parking vehicles 
BellPro Construction LLC 
Answer: 56 inches Explanation: We use 5"to6" thick concrete if there will be heavy trucks driving on it. 
A to Z Fence and Concrete 

ProMatcher 
Answer: 56 inches Explanation: All residential garage slabs should be poured over well compacted fill at 5 to 6 inches thick with footers 
Lals Concrete Company,LLC 
Answer: 56 inches Explanation: to support weight of automobile floor should be 6" and reinforced 
LPG,LLC 
Answer: 45 inches Explanation: The standard is 45 inches with 4000 psi concrete with steel mesh or fiber 
h and h company 

ProMatcher 
Answer: 45 inches Explanation: Yes 
Garcias Concrete Service LLC, 