CONCRETE CRACK & JOINT REPAIR
The term “fixing cracks” is a bit misleading since there is no way to “fix” cracks in concrete, only fill them. The proper term to use when treating cracks is “bridging.” This is accomplished by filling or covering the crack with a rigid material, so it becomes flush or slightly higher in elevation than the surrounding surface.
Control Crack Joints
Control Crack Joints allow cracking in | without joints will crack and reduce a controlled area as the slab settles the life of the concrete slab. A cracked with time. Usually these joints are cut slab can acquire water underneath into the slab after the concrete causing it to erode.
Expansion Joints
Expansion joints allow concrete to expand on hot days and contract when it’s cold. These joints are made with a soft material allowing it to move with the concrete. A slab without joints will crack and reduce the life of the concrete slab. A cracked slab can acquire water underneath causing it to erode.
Facts
• Before installing a sealant, the joint must be dry and free of dust and debris. Vacuum it thoroughly before sealing. Carefully follow the sealant manufacturer’s installation instructions.
• For sealers, use a bond breaker or backer rod in the bottom of the joint. This prevents the sealer from sagging into the joint and from adhering to the bottom of the joint, which allows the sealant to stretch on both the top and the bottom.
Repair Results
• Reduces Cracking
• Prevents water from running below concrete creating voids
• Eliminates the accumulation of dirt, salt, and other foreign materials
• Prevents weed and grass growth
• Prevents breakage from creating trip points
• Humidity Retention – Reduced Ground shifting
• Bonds to concrete for long service life – will expand up to 1″ before breaking
• Prevents water from getting to rebar and creating rust
• Easier to clean
• Improves appearance of property
• Easier to remove ice and snow
• Reduces damage from freeze/thaw expansion and contraction
