Patching stucco8/7/2023 ![]() ![]() ![]() ![]() Let the final layer set for the amount of time specified on the package. While the final layer is still slightly wet, texture it to match the existing stucco using a wadded up, damp cloth or sponge to create the distinctive, stippled appearance of stucco. Apply stucco mix again using a finishing trowel-be sure the patched area and the surrounding stucco are flush and blended well. Allow it to cure as you did with the first layer, covering it again with plastic so it doesn’t dry out.īefore applying the final layer, mist the area with water from the spray bottle. Cover the area with plastic sheeting and painter’s tape to keep it from drying out and let the layer cure until it is sufficiently rigid enough to resist cracking, the pressures of the second coat application and the leveling process.Īfter the first layer has cured, mix another batch of stucco and apply another ¼” layer using the same process as the first. These scratch marks will help the next coat adhere better. After a few minutes, when this layer has hardened and looks fairly dry, score the surface with a series of X patterns, using the edge of your trowel. Step 4: Apply StuccoĪpply a ¼” layer of stucco to the metal mesh using a masonry trowel until the mesh is completely covered. The colorant is usually added to the water you use to combine with the dry stucco mix. Follow all manufacturer instructions for the best results. Use a liquid stucco/mortar colorant in small batches of stucco and then apply the stucco to a piece of cardboard and let it dry to test how closely it matches. You can tint your stucco mix to closely match your old stucco. Getting your new stucco to match your existing stucco surface may be tricky. Wear gloves or avoid touching fresh stucco with your bare fingers to avoid the alkalis in it that can irritate skin. This will help the new stucco adhere and blend well with the old. Wet the patch area with water from a spray bottle. Try not to make more than you can use in a 20-minute span because the stucco will begin to dry out and will not adhere properly to the metal mesh. Mix together a batch of stucco mixture using a large bucket or wheelbarrow, following all manufacturer instructions. Affix it to the area using galvanized roofing nails driven into the wood lath underneath. Measure a piece of galvanized metal mesh and cut to size. Otherwise, remove the old mesh by cutting it with metal snips. If it looks like it is in good condition, you can use it to apply your new stucco. Step 2: Inspect/Replace Metal MeshĬheck the metal mesh underneath the removed stucco for any damage or rust. Wear work gloves and safety glasses while removing broken stucco to avoid injury from flying debris. Clean the area with a wire brush to remove loose debris and dust. Remove all broken stucco down to the metal mesh covering the lath underneath. Chip it away using a hammer or with a hammer and chisel. Remove loose pieces of stucco first before you repair holes and crumbling sections of stucco. How to Repair Stucco Holes Step 1: Remove Broken and Crumbling Stucco You may need to apply a few layers of the stucco patch to adequately fill the crack and make the patch flush with the surrounding stucco surface. Allow the stucco patch to set for the a mount of time recommended by the manufacturer. Let the caulk set for the manufacturer-recommended amount of time.įor cracks larger than a ¼” or so, fill the crack with premixed stucco patch and a small putty knife.Releasing the trigger alone will not stop the caulk from flowing out of the nozzle. As you finish applying each bead of caulk, release the trigger and pull back on the caulking gun rod to stop the flow of caulk and relieve the pressure inside the tube.Position the nozzle opening so that it forces sealant onto the crack. Hold the caulking gun at a 45-degree angle parallel to the crack being filled and pull the nozzle along the crack.Puncture the internal foil patch at the base of the nozzle with a nail or other slender sharp object. Use a utility knife to cut the nozzle of the caulk at a 45-degree angle, and place the caulk in a caulking gun.Follow the caulking tips below for the best results: If need be, you can touch up the caulked area with an exterior paint that matches your stucco color. You may not find an exact match, but something close to it. ![]() Choose a caulk color that is close to your stucco color. Small, thin cracks in your stucco wall can be easily fixed with exterior latex paintable caulk. Learn how to fix stucco cracks and holes with these tips and techniques and ensure your stucco siding is a lasting part of your home’s curb appeal. Cracks and holes must be fixed as soon as they are noticed to keep the structural integrity of your stucco siding intact. It can reduce outside noise, is fire retardant and can last for decades, if you maintain it. Stucco is insulating and can make heating and cooling a home energy efficient. ![]()
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