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Kiilto WSH Pintatasoite 1–2 mm

White, paintable fine plaster for smoothing walls and ceilings in dry and wet areas. The surface can be painted. Not suitable under tiling or waterproofing. Over plastering 1-2 mm. Cementitious.

Special features

  • white, paintable fine wall plaster with a cementitious binder
  • dry and wet rooms
  • drying time 1 d
  • over plastering 1–2 mm
  • coverage 1,3 kg/m²/mm


Kiilto WSH is a fine plaster for smoothing indoor walls and ceilings. Suitable for plastering various rock material surfaces and gypsum boards in areas requiring wear resistance. The surface can be painted. Under tiling and waterproofing membrane we recommend e.g. Kiilto SK Märkätilatasoite, wall plaster for wet areas.


1 mm layer/m² solid matter weights approx. 1.3 kg

Package Size

EAN Code

20 kg 6411512404202
Package Size 20 kg
EAN Code 6411512404202


polymer-cement-limestone -based powder



Bond strength

> 0,5 MPa (EN 998-1)

Compression strength

CSIV (EN 998-1)

Mixing ratio

6.5–7.0 l water / 20 kg plaster

Curing rate

Approx. 1 d (+18 °C) (depending on prevailing conditions)

Classifications and certificates

stress grading RL01...RL05 of paintable surfaces (The RYL Code of building practice 2012)

Working time

3–4 hours (+18 °C)

Working conditions

recommendation: +18–20 °C, lowest operating temperature +5 °C

Package sizes

20 kg bag

Substrate humidity

concrete < 90 % RH


1 mm layer/m² solid matter weights approx. 1.3 kg

Layer thickness

over plastering 1-2 mm

Max. grain size

0.25 mm


In an unopened package max. 1 year in dry conditions.

Instructions for use

The surfaces to be plastered must be solid, clean and free from dust. Dry surfaces are moistened prior to plastering (not board surfaces). A new coat should not be applied until the previous one is dry. If needed, the surface should be carefully sanded and cleaned before applying a new plaster coat.

Strew Kiilto WSH powder slowly in cool (+18–20 °C), clean water constantly stirring until a smooth, even mass is formed. Let the mix mature for approx. 15 min and then remix once again. Apply the plaster by hand with a steel trowel or spray with a spraying gun for plasters. Also, the sprayed coat should be levelled by hand with a steel trowel.

Environment and safety

Avoid unnecessary skin contact and exposure with the fresh product, use safety gloves. Refer to material safety data sheet. For information on product and package disposal, visit

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