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August 12, 2017 18:08

Plaster for wet areas as a reliable way to protect the walls

waterproof plaster: the scope and features

There leveling and water-resistant decorative plaster. It is used for interior and exterior decoration.Suitable for the following reason: concrete, gas silicate, foam concrete, gypsum, cement and sand, brick, stone walls.The main advantages are the following:

  • high moisture material provides high-quality and long-term cover in damp and unheated rooms.
  • Good adhesion allows you to apply makeup on virtually any surface, as well as in terms of marine humid climate.
  • Forms a perfectly smooth layer without further shrinkage and cracking plaster.After drying, cracking is not created.
  • is completely harmless and environmentally friendly composition, since it does not emit harmful to the environment and human substances.
  • Easy to apply and easy to operate.A plaster ductility greatly facilitates the work.

Preparation of the solution and surface preparation

First base is prepared, which was purified by old plaster (paint, whitewash) is removed from the dirt and dust, grease and bitumen stains.Also check for the presence of surface mold and mildew, which can be removed by using special solutions.Apply a primer corresponding to the type of surface.

waterproof plaster is prepared in accordance with the instructions printed on the package.To this mixture 25 kg (1 bag) slowly poured into the container and diluted with warm water (20 ° C).When stirring is used to drill a special nozzle mixer at medium speed.As a result, should get a creamy homogeneous mass without any lumps.

resulting composition is left for 3-5 minutes to "defend" and again properly mixed.After that, begin to apply the plaster on the wall.It is important to have the appropriate conditions of temperature and humidity.Desired temperature of about + 5-30 ° C and humidity of about 75%.Used Tools: trowel and float.

technology applying waterproof plaster

Apply the plaster on the walls by the "pounce".However, it is necessary to install beacons in a vertical position parallel to each other.Acceptable distance between them is about 20-30 centimeters.Securing them with plaster.Level is checked Beacon profiles installation.Further plastering is carried out 2-3 hours after installation.

on the surface is determined - whether differences of more than 30 mm?If there is, the process uses special plaster mesh, and the mixture is applied in several layers.The thickness of any layer can not be more than 30 mm.If the wall is not strong differences, the composition is applied to the substrate using a trowel and spatula, and then align the rule.After 3-6 hours, when the coating is grabbed, but have not yet fully dried, it is floating.

Attention!During drying, the surface should be protected from UV and sunlight.After completion of the work container, tools and hands is important to thoroughly rinse with water. in dry waterproof plaster is able to be stored for about 12 months, in places protected from moisture.