Base
Wash the old facade surface with a pressure washer to remove flaking paint and loose dirt. If necessary, remove flaking paint by scraping. Remove plastering that has come loose from its base and damaged concrete, and patch any cavities.
Mixing
Refer to the bag for how much water the plaster requires. Add the dry material to the water and mix with a power mixer or a drill paddle for around one to two minutes.Allow the plaster to stand for around ten minutes and mix it again for a short while. Find the correct consistency at this stage by gradually adding the rest of the water. We do not recommend adding all of the water right at the start. The finished plaster remains workable for around four hours.
Work instructions
Apply adhesive plaster thoroughly to the insulation boards to be fastened using a toothed trowel. Then, press the boards into the base, tightly against each other. No plaster or gaps must remain in the joints. The joints of the insulation boards must be staggered, and there must be no joints that cross each other. Finally, secure the fastening of the insulation board to the base using fastening plugs made from polyethylene plastic. Use at least 4 plugs per m². The fastening plugs are installed at the corners of the insulation boards and evenly in their middles. After fastening, the facade surface must be level and the insulation boards undamaged.
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