Instructions for use
Carefully mix the plaster with low-speed mixer before application. Apply continuously on a given surface to avoid differences in plaster texture. The surfaces should be joined using “wet on wet” technique. The breaks in application should be planned where colours intersect, where building bends, in rustication areas, under drainage pipes, etc. Only plaster from the same production batch should be applied on one continuous surface. If this is not possible, the colour consistency of the individual batches should be checked beforehand. If there are any visible differences, mix the plasters of individual batches with each other. Once the half of the container with the putty has been emptied, fill it with fresh putty from the second batch container and mix thoroughly. Once applied, the plaster has a milky-white colour that fades in the course of time. All plaster styles can be applied manually. ALPOL AT 390 plasters from SKIATOS colour chart can be applied by spraying. Due to its fine grain size, this plaster is recommended to be applied in two layers. One-layer application is possible only on a perfectly prepared, primed, level and smooth surface.
Manual application: Apply the plaster using a stainless steel trowel. Apply the first layer evenly to about 1.5 x grain thickness, then skim the surface, even out and smooth it before it begins to dry. Do not press the float too hard against the surface. Do not sprinkle with water or trowel the plaster surface. Apply the second layer after the first layer has fully set.
Spraying: ALPOL AT 390 plasters from SKIATOS colour chart can be applied using this method. If necessary, thin the plaster with small amount of water (2% – 3%, depending on the type of aggregate). Apply using a spraying gun with the so-called “funnel”, or a directly attached container that can hold ca. 3 – 5 kg of the product, held at a distance 40 – 50 cm from the surface. Select optimum nozzle air pressure for a specific plaster type (usually about 4 atm.). Recommended nozzle diameter 4 –6 mm. It is recommended to perform an application test in order to select optimum consistency of plaster, air pressure and nozzle diameter. Do not allow application of the material in excess, as it may cause streaks to appear. Apply the first layer of the plaster evenly on the surface with smooth horizontal movements. Spray the second layer in vertical movements with a “wet-to-wet” method, after the first one has initially cured (about 30 minutes). The product should be applied until the entire substrate is covered.
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