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Kiilto KL Kuitulaasti 3–10 (15) mm

Fibre reinforced wall plaster for rock material wall surfaces, also in wet areas. Suitable for using with reinforcing mesh, when coated also for exterior walls and socles. Partial levelling 3-15 mm, over plastering 3-10 mm. Also for exterior applications. Cementitious.

Special features

  • cementitious binder, fibre reinforced
  • dry and wet rooms
  • suitable also for outdoor use
  • drying time 1–3 d
  • partial levelling 3–15 mm, over plastering 3–10 mm
  • coverage 1,5 kg/m²/mm


Kiilto KL is a fibre plaster for rock material wall surfaces. Suitable for levelling walls before waterproofing and tiling and installing reinforcing mesh to block walls. When coated suitable also for exterior walls and socles.


1 mm layer/m² solid matter weights approx. 1.5 kg

Package Size

EAN Code

20 kg 6411512299204
Package Size 20 kg
EAN Code 6411512299204


Polymer-cement-sand -based powder



Bond strength

> 0,5 MPa (EN 998-1)

Compression strength

CSIV (EN 998-1)

Mixing ratio

4.2-4.8 l water / 20 kg bag

Curing rate

approx. 1-3 d (+18 °C) (depending on layer thickness and prevailing conditions)

Working time

approx. 2-3 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. 1.5 kg

Layer thickness

over plastering 3–10 mm, partial levelling 3–15 mm

Max. grain size

1.5 mm


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

Instructions for use

The surfaces to be plastered must be sufficiently solid, clean and free from dust. Dry surfaces must be lightly moistened prior to plastering. A new coat should not be applied until the previous one has sufficiently cured. If needed, the surface should be carefully sanded and cleaned before applying a new plaster coat. Protect the surface from direct sunlight and windy.

Strew Kiilto KL powder slowly in cool (+18–20 °C), clean water constantly stirring until a smooth, even mass is formed. Let the mix mature for approx. 10-15 min and then remix once again. Apply Kiilto KL by spraying or by vigorously pressing it onto the substrate by hand. Sprayed surface can be levelled, for example, with a steel trowel. The surface can be floated.

When using Kiilto Rappausverkko -reinforcing mesh embed it into fresh plaster. Smooth the surface with a steel trowel to leave the mesh in the middle of the plaster layer. After the layer has cured, the second layer can be applied. In dry conditions, curing of the layer can be speeded up by spraying it with water.

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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