Move the nozzle slowly along the length of the crack, allowing the sealant to settle. NOTE: for cracks or joints over ¼ inch, a Backer Rod should be placed in the crack before applying the sealant. Option C: QUIKRETE Self-Leveling Polyurethane SealantĬut the tip of the nozzle at an angle with a utility knife matching the width of the crack and insert the tube into a standard caulk gun. NOTE: for cracks deeper or wider than ¼ inch, Concrete Crack Seal should be applied in multiple applications, waiting 24 hours between applications. Pour the sealant from the bottle, overfilling the crack slightly to allow for settling and shrinkage. Option B: QUIKRETE Gray Concrete Crack Seal It will begin to form a skin in about 20 to 40 minutes and will harden completely in 1 to 2 hours. TIP: Concrete Repair can be tooled with a trowel to match the surrounding surface immediately after placement.

Slowly draw the gun down the crack, forcing a bead of Concrete Repair caulk deep into the crack. Widen the crack using a chisel and hammer to a minimum of ¼ inch and break away any deteriorating concrete (the edges of the crack should be vertical or beveled in an inverted “v”).Ĭut the tip of the nozzle on an angle with a utility knife to match the width of the crack and load into a standard caulk gun.

QUIKRETE Concrete Repair, QUIKRETE Gray Concrete Crack Seal or QUIKRETE Self-Leveling Polyurethane Sealant may be used. When working with cement-based products, always wear eye protection and waterproof gloves.

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