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Patching stucco8/28/2023 His YouTube channel has a lot more videos. Kirk Giordano is a plaster and stucco contractor in the San Francisco Bay Area. If you try to just apply a texture without applying a finish, the patch will not blend.Īfter applying the stucco, Kirk uses a sponge float to smooth and tie in the edges. Kirk can tell from looking closely at the existing finish, that they applied a finish and then a texture because the trowel marks of the fist finish are evident. Because Kirk is the 'Plaster Fantaster Man,' he jumps into smoothing the surface right away. You may need to wait five or ten minutes before smoothing the surface. It doesn't matter how good you are-or how good you think you are-if you're not using the right aggregates, you're not going to match the texture."Īfter the coat is loaded onto the patch, skip trowel the surface. "In order to match a finish, you have to use the right material. It is the finest sand that Kirk uses for plastering. Remove the loose stucco with a putty knife, and repair with stucco patching compound. The sand used to do the base coat of the patch is plaster sand, whose texture is similar to talcum powder. Cracks larger than 1/16-inch-wide will require a patch. To match a finish, you need to use the same material. The finish he is trying to match is locally called Santa Barbara texture, or Smooth Mission Finish. Raw stucco doesn't have the right sand to match the finish of this building. One reason is that the other guy used raw stucco, making some of the patches three inches thick. Why did the other guy's repair look so bad? The other guy also answered "Absolutely" to the question "Can you blend patches to these holes invisibly?"-but as it turned out, he should have replied "Nope." But he wasn't the first stucco contractor asked if he could fix the holes. Kirk was asked to repair the plaster patches of some holes cut for plumbing access. Final productįor more detailed repair instructions, watch this video from RWT Design and Construction in Burbank, CA.It's all about the sand. You may have to paint the entire side to disguise the patch. If you didn’t add pigment at the beginning, paint the surface now. Final coatįor the final repair step, use a sponge to create the outer texture. Make sure this final coat is a quarter-inch think and evenly applied. Make sure you spread this layer of new stucco evenly, then “screed” (leveling with a straight edge) the mix to ensure the coat is flat and level (no texture). This next layer is called the “brown coat” regardless of color. GroovingĪfter the scratch coat sets and dries for at least 24 hours, sponge water onto the area to help the next coat adhere. 4 Add water and mix with shovel until stucco is the consistency of peanut butter. 3 Create stucco by mixing three parts sand, one part Portland cement and part lime in trough or wheelbarrow. 2 Clean away loose grit and dust from the wall with a wire brush. When the scratch coat is applied, use the notched trowel to scratch grooves into the mud. Steps: 1 Scrape loose, blistered stucco from the wall with a 4-inch drywall knife. First layer (aka “scratch coat”)Ĭlaim your home to stay up-to-date of your home‘s value and equity. This first layer is called the “scratch coat” (you’ll see why next). Then use a finishing trowel to paint on the damaged area and repair cracks. Stucco Patch provides a simple, user-friendly application that you can easily texture to match a variety of stucco surfaces. Use a mason’s chisel and hammer to chip away any old stucco or loose material. You will need to try different amounts of pigment until you match the color, and you will want to do it before you start your repair. Mix small batches, add some pigment to the mix, then put it on a piece of cardboard, and allow it to dry. But you can paint the new layer after installing, or buy coloring pigment to add to your mix to match the existing color. Stucco changes color over the years, so your new patch probably won’t match.
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