How deep should the control joints be in a 4-inch thick concrete slab? | | 0.25 inches | 9% | | 0.5 inches | 25% | | 1 inch | 37% | | 1.5 inches | 9% | | 2 inches | 7% | | Not sure | 9% | | | | | Question: How deep should the control joints be in a 4-inch thick concrete slab? Top Answer (37% of 51 votes): 1 inch.
Answer: 1 inch
Explanation: Control joints should be no less 1/4 inch of the total thickness of the slab. | | Solid Solutions Concrete LLC | Answer: 0.5 inches
Explanation: Yes | | Capristo concrete | Answer: Not sure
Explanation: Depends on how big of a joiner you use there, different size, joiners, and different depth levels | | D&L Concrete LLC | | | ProMatcher | Answer: 1 inch
Explanation: They need to be 1/4 depth of slab. | | Elite Concepts | Answer: 1 inch
Explanation: I know that control joints do not prevent cracks and its important to put your cuts in the right locations to minimize cracking.
| | COMMON SENSE FLOORING, INC. | Answer: 1.5 inches
Explanation: Control joints should be cut at a 1.5 inch depth or more. | | Treasure Coast Concrete Polishing | | | ProMatcher | Answer: 1 inch
Explanation: ACI recommends control joint depth equal to 1/4 of the slab thickness. | | Maven Group LLC | Answer: 1 inch
Explanation: Control joints should be 1/4 of the thickness of the concrete slab. | | QUALITY CONTRACTORS | Answer: 0.25 inches
Explanation: All control joint depths must be a minimum of 1/4 the thickness of the slab. This is non-negotiable. | | Colorado Concrete | | | ProMatcher | Answer: 1 inch
Explanation: Usually one third of the thickness. | | Concrete services | Answer: Not sure
Explanation: Depends on the thickness of the slab. | | BellPro Construction LLC | Answer: 1 inch
Explanation: Contraction joints should be straight and continuous | | Black Dirt Services LLC | | | ProMatcher |
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