Since the material on your spatula dries out over time, occasionally you will need to scrape the thickened material off, disposing of it, and replacing it with fresh plaster. In this way, you keep the newly-laid plaster thin enough over the previous applications while polishing the area of contact between the newly-laid plaster and the area you have already polished. As you continue the swiping movement, you immediately remove excess material by changing the angle of the spatula to 40-45° while moving toward the area you have previously laid. At the beginning of each swipe, the trowel should be at a 30-35° angle to the wall moving toward the plaster you have already laid. Swiping on one trowel application after another each time, the trowel swipes should be in a different direction than the previous one so that you obtain a harmonious design. Normally, you should start high on the wall (on either the right- preferred by left-handed- or the left side –preferred by right-hand people- of the wall). 1 square meter) with a large, or better yet, medium-sized metal trowel. Apply the last coat in a thin layer to small areas (max. While you can apply the final coat as soon as the second coat begins to dry, most people prefer to wait for the second coat to dry completely because of the risk of peeling.We suggest applying this additional second coat especially when the desired finish is to have little texture or when you want to achieve a superior, quality job. If the application of a single second coat does not give you a smooth, even surface, you should apply another coat immediately before the second coat dries. Since shiny areas can cause problems when applying the next coat, it is necessary to work with a light touch, without pressing too hard maintain a 40° angle with the blade of the trowel. Always keep in mind that the aim of this coat is to lay the smoothest and most uniform surface possible, being careful to avoid creating shiny areas. When the first coat has completely dried, normally by the next day, the second coat is carefully applied with a large metal trowel using 400 grams per square meter.To avoid problems removing the masking tape at the end of the job, it is best to replace all the tape when the first coat is almost or completely dry. The aim of laying the first coat is to obtain a thick, absorbent layer on which to spread the successive coats. This coat is applied thickly, using about 600 grams of material per square meter. The first coat is applied with a metal trowel using visible strokes, which will be the underlying base for the final coats.
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