Kiilto LM Kevyttasoite

Lightweight plaster for finishing walls and ceilings in dry areas prior to painting and wallpapering. Suitable also for fixing and smoothing reinforcing tapes to gypsum board plates. Maximum layer thickness in over plastering 3 mm, in holes 5 mm. Water-soluble.

Special features

  • lightweight plaster for interior walls and ceilings
  • over plastering max. 3 mm layer, in holes max. 5 mm
  • drying time 2–3 h/mm
  • suitable for fixing reinforcing tapes to gypsum board plates
  • suitable for painting and wallpapering




Kiilto LM is a water-soluble, ready-mixed lightweight plaster. Suitable also for fixing and smoothing reinforcing tapes to gypsum board plates. Provides suitable surface for painting and wallpapering. We recommend painting the surface before wallpapering to aid future removal. Complies with the requirements of EN 13963:2005 and EN 15824:2009 standards.

Package Size EAN Code
3 l 6411512137032
10 l 6411512137100
Bond strength

> 0,3 MPa (EN 15824)

Classifications and certificates

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


Light grey

Curing rate

approx. 2-3 h/mm (+18 °C) (depending on layer thickness and prevailing conditions)

Density/specific weight

1.2 g/ml

Fire class

A2-s1, d0 (EN 13963)

Flexural strength

> 320 N (EN 13963)

Layer thickness

3 mm, in holes 5 mm

Max. grain size

0.15 mm

Package sizes

3 l, 10 l plastic container


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


Polymer - light filler - limestone based plaster

Working conditions

normal room conditions, lowest operating temperature +10 °C

Instructions for use

The surfaces to be plastered must be clean, dry and free from dust. 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.

Kiilto LM is a ready-mixed lightweight plaster. After prolonged storage, stir before use. If necessary the product can be diluted with water. The plaster is applied with a steel trowel.

When fixing reinforcing tapes, apply the plaster in joint and press the paper tape firmly in the plaster. Smooth the joint by applying a second plaster layer using a broader steel trowel. After drying the surface can be easily sanded.

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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