Absorbent Surfaces

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Plastering aerated concrete (e.g. YTONG blocks)

What do we need?

The aerated concrete (AAC) as well as other highly absorbent surfaces, absorb water plaster rapidly, causing plaster to pull quickly and usually crack.

How do we do it?

Surfaces primed with special acrylic primer to regulate their absorbency and then plastered with plaster systems of THRAKON.

Products used

GLX 290

3-LAYER SYSTEM

1-LAYER SYSTEM

GYPSUM PLASTER SYSTEM (internal surfaces)

Fiber reinforced – Elastic Plaster system

Step by step

Once the wall fully dried  after construction and possible repairs, prime the interior and exterior surfaces with the acrylic primer GLX 290 diluted at a ratio GLX 290 to water = 1: 4. After 2 to 6 hours depending on atmospheric conditions apply any of the following plastering systems of THRAKON:

  1. 3-LAYER SYSTEM
  2. 1-LAYER SYSTEM

III. GYPSUM PLASTERING SYSTEM (interior surfaces)

  1. FIBER REINFORCED – ELASTIC PLASTERING SYSTEM

For very detailed report on coatings and plastering process see the plastering guide.

Products used : Plasters & Renders ETICS & Facade Products

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