Kiilto GP Nauhoitustasoite 1–3 mm

A special plaster for fixing of reinforcing tapes and smoothing the joints of gypsum board plates. Suitable for dry interior walls and ceilings. Max. layer thickness 3 mm. Polymer based.

Special features

  • polymer based
  • for fixing reinforcing tapes to gypsum boards
  • coverage: 1.2 kg/m²/mm
  • coatable: 3 mm/1 d
  • dry interior areas




Kiilto GP is a polymer based joint plaster for interior walls and ceilings. Especially suitable for fixing of reinforcing tapes and smoothing the joints of gypsum board plates. Can be used for over plastering walls for later painting and wallpapering. Not suitable under tiling or wall vinyl.

Package Size EAN Code
20 kg 6411512004204
Bond strength

> 0,3 MPa (EN 15824)

Classifications and certificates

stress grading RL01...RL04 of paintable surfaces (The RYL Code of building practice 2012)




1 mm layer/m² solid matter weights approx. 1.2 kg

Curing rate

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

Flexural strength

> 320 N (EN 13963)

Layer thickness

1-3 mm

Max. grain size

0.2 mm

Mixing ratio

7,0–7,5 l water / 20 kg plaster powder, 1 part by volume water / 2,5 parts by volume plaster powder

Package sizes

20 kg bag


In unopened containers, above +1 °C, for 1 year.

Substrate humidity

concrete < 90 % RH


Polymer-limestone -based powder

Working conditions

recommendation +18–20 °C, lowest operating temperature +10 °C

Working time

approx. 24 hours (+18 °C)

Instructions for use

The surfaces to be plastered must be clean, dry and free from dust. Let the layer dry completely before applying a new one. If needed, the surface should be carefully sanded and cleaned before applying a new plaster coat.

Strew the plaster slowly in cool (+18 °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. If left over plaster is saved for the next day, the container should be covered carefully to avoid drying.

Fixing of reinforcing tapes: Apply the plaster in joint and press the tape firm in plaster with a narrow steel trowel. After that smooth the joint by applying plaster over the reinforcing tape using a broad steel trowel. After drying the surface can be sanded, if necessary.

Additional information

The information given in this product data sheet is based on our tests and our practical knowledge. The technical data is defined in standard conditions. Variations in local working conditions and methods will affect the product performance and result. We guarantee the high quality of our products according to our Quality Management System. No liability can be accepted from incorrect use of the product or prevailing conditions, over which we have no control. Thus, we cannot be held responsible for the final result. The correct use of the product presupposes that the user has made him/herself aware of the contents of the working instructions and procedure guide, if provided.

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

M1 emission classification for building material
CE marking
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