How To Fix Cracks In Concrete Walls With Stucco Finish

Smooth the mix with a finishing trowel then pack it against the edge of the existing stucco with a brick trowel.

How to fix cracks in concrete walls with stucco finish.

The only time we inspect stucco that doesn t have any cracks is shortly after the homeowner has had the walls caulked and painted. Apply the new mortar to the front of the crack using the margin trowel until it is flush with the rest of the wall. Widen the crack to a minimum of 1 4 inch using a chisel and hammer the edges of the crack should be vertical or beveled in an inverted v. Then fill in the crack with the mixture and a standard caulk gun.

Clean the crack of all debris dirt particles of concrete or pebbles. Hairline can be sealed with a coat of paint if exposed to the weather but no repair necessary if not. Make cosmetic and waterproof repairs to concrete masonry and stucco walls. You ll need to widen the crack to about a quarter of an inch wide and then clear out any debris with a wire brush.

Mix a new batch of mortar at the normal consistency. If you ve noticed hairline cracks on the exterior stucco wall of your property we can predict that you will be calling your local stucco crack repair contractor or you will be using stucco crack repair caulk in the near future. Let s start with the width of the crack. Keep adding more material until this layer is about 1 2 inch below the existing stucco surface.

Use a vacuum cleaner or soft brush after you ve cleaned out larger particles with a wire brush. Scoop fist size wads of wet stucco onto a brick trowel and toss them against the wire lath until it s completely covered. Leave about inch on the front side of the wall to leave room for the stucco pattern. Monitor to be sure that it does not continue to open.

Break away any deteriorating concrete and remove loose material with a brush. About the book author gary and peg hedstrom are self taught repair masters with experience in carpentry plumbing appliance repair and more. How to fix hairline cracks in stucco. Quikrete stucco repair or quikrete pre mixed stucco patch can be used.

Sealing the cracks with quikrete is an easy project for any skill level. The injection process fills the crack from top to bottom from inside to outside. Let the caulk cure for 24 hours then paint over it with a water based paint. The most common products are an acrylic caulk that you can use to fill in the gaps.

Allow the mortar to dry for about one hour.