Ideas For Painting Rendered External Walls
Painting rendered external walls – Determine if the cement or acrylic render was used on your concrete walls. If the work history of the walls is not available, there are a couple of ways to try to find out what type was used. Acrylic render usually appears more like cement plaster paint. Cement plaster tends to appear grainier and may even have been applied in a special finishing technique for decorative effects. Once the type of render is determined, you can proceed to the steps necessary to prepare the walls.
Ideas for painting rendered external walls. Apply a layer of sealant to the borrowed concrete wall if the render is made of acrylic. Allow to dry for several hours. Once dry, pass the hand over the finish and the feeling of an abrasive or smooth finish. If the wall feels quite soft, a second layer is unnecessary. If it still feels quite dangerous, apply a second coat of sealant. Allow the second coat to dry overnight.
Then use a rotary power sander with thick paper on the walls that are represented with cement. The idea is not to remove the entire layer from the wall, but instead to take some of the hardened grooves in the render. Dust the excess with a clean brush and apply the first layer of sealer. The concrete walls with cement provided will require two or three layers of sealant. And then wait several hours of drying time between each layer painting rendered external walls.
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