Kiilto Pro LW
Lightweight plaster for wet areas

A moisture-proof ready-mixed plaster for smoothing walls and ceilings in dry and wet areas. Provides a suitable surface for waterproofing, tiling and painting as well as fixing gypsum plasterboard reinforcing tape in wet areas.

Special features

  • Very good filling capacity max. 4 mm
  • Light to sand
  • Suitable for over levelling Kiilto Airblock sealing products on wall surfaces
  • Coverage 1 l/m²/mm
  • Drying time approx. 1-2 h/mm




Kiilto LW is waterbased, ready-mixed universal plaster. The plaster provides suitable surface for waterproofing, tiling or painting. Complies with the requirements of EN 13963:2005 and EN 15824:2009 standards.

Package Size EAN Code
3 l 6411512003030
10 l 6411512003108
Bond strength

> 0,5 MPa (EN15824)

Classifications and certificates

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



Curing rate

approx. 1-2h/mm (+18 °C) (depending on layer thickness and prevailing conditions)

Density/specific weight

approx. 1.1 kg/l

Layer thickness

max. 4 mm

Max. grain size

0.15 mm

Package sizes

3 l, 10 l plastic containers


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


Dispersion - light filler - limestone based levelling

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.

When fixing reinforcing tapes, apply the plaster in the 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.

Kiilto LW is a ready-mixed plaster. After long storing, stir before use. If needed, the plaster can be thinned with a small amount of water. The plaster is applied with a steel trowel.

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. The result is also strongly affected by working methods. 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. To use the product properly, please read the product brochure, work instructions and the safety data sheet available at

Environment and safety

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

M1 emission classification for building material
CE marking
The Nordic Swan Ecolabel