You may not need to replace the entire slab because there are a few different techniques available to help you level the surface again so that you have a patio to be proud of once more.
#Patio slab crack repair Patch#
Paint or seal the surface of the patch and surrounding area, if desired. As concrete patios get older, they often begin to sink or crack.Brush the surface of the patching compound with a dry paintbrush to texture the surface, if desired.Smooth the surface of the patch with the trowel, feathering the compound into the surrounding concrete.
#Patio slab crack repair crack#
Fill the crack up to the surrounding concrete surface. Stab the trowel into the compound to remove air pockets and help work the patching material deep into the crack.
Mix the concrete patching compound, following the manufacturer's directions.It's OK if the surfaces are wet, but there should be no pools of water. Work carefully to remove all dust and grit from the crack. Remove all water and debris from the crack with a wet/dry shop vacuum or a brush.If desired, clean the crack with a pressure washer or a garden hose and spray nozzle. Remove all debris from the crack, using a wire brush.Chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from the old concrete.The Spruce Home Improvement Review Board.You can check out the step-by-step procedure in this video, courtesy of Quikrete. After a few minutes, use a concrete broom (though a pushbroom will work as well) to apply non-slip texture to the surface. Working in small sections, pour the Re-Cap onto the patio surface and squeegee it out smoothly. Then, simply mix the product with water according to the directions to a syrup-like consistency. This is the time to patch any large chunks or damaged corners (which you can do with Re-Cap mixed to a thicker consistency). Start by deep-cleaning the patio surface with a 3,500 PSI pressure washer to ensure any grease, oil, dirt, and other adhesion inhibitors are removed. The brand’s Re-Cap Concrete Resurfacer is a strong, durable solution that creates a smooth, uniform surface over unsightly patios, and it’s easy to apply. Quikrete has a product specifically designed for the job. While covering the surface with pavers is always an option, a less expensive and easier route is to resurface the slab. While they don’t rot, horizontal concrete surfaces are prone to pitting, spalling, and cracking. Create a smooth, fresh surface atop your patio by resurfacing the slab. In truly hot, dry, or windy conditions, keep the patch covered and damp for at least 24 hours. Once satisfied, allow the corner to cure similar to any concrete repair. Next, rebuild the corner with a trowel, tooling it to match the vertical and horizontal angles of the corner. Then, trowel a thin layer with heavy pressure onto the repair area.
#Patio slab crack repair free#
To use, simply add 1.4 liters of water for each 20-pound pail of dry mix, and ensure that the existing surface is dampened but free of standing water. This repair compound is a rapid-setting, high-strength repair material designed for vertical and horizontal structural repair, so it’s ideal for a crumbly corner. Be sure to rinse the area thoroughly.Īfter cleaning the repair area, you’re ready to start rebuilding the corner with Quikrete Polymer Modified Structural Concrete Repair. Then, pour some Quikrete Concrete & Asphalt Cleaner onto the damaged corner and scrub it with a brush.
Start by using a brush and clearing any loose debris. You need to repair the corner, but the first step is cleaning it thoroughly so the repair product can adhere properly.
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