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YKI Rough Coating (YKI Rouhepinnoite)


A presentable looking plinth coating with good coverage designed especially for recently overcoated concrete foundation and block surfaces. It is also suitable for painted concrete plinth surfaces. Ask your retailer to tint it in one of the widest range of colours on the market.


This product is ready to use for coating without any dusty and difficult work stages.
Saves time by coating from just one can. Spread the coating with a steel spatula and smooth it down with a Tikkurila plastic trowel.


  • water-borne, alkali-resistant acrylate coating
  • coarse, full matt surface with good coverage
  • prevents dampness from entering the plinth, allows steam to penetrate
  • use for levelling concrete block and plinth surfaces and other outdoor concrete structures
  • max. grain particle size approx. 2 mm
  • coverage 2.5 - 3 kg / sq m
  • 10-litre can 16.5 kg (approx. 9 litres)
  • colour range: Colour Card for Exterior Paints and Facade Colour Card

 

Yki rough coating 1 1.

Always overcoat new concrete surfaces with Yki Socle and reparation mortar (Yki Sokkeli- ja oikaisulaasti) by spreading it with a steel spatula.


Yki rough coating 2 2.

Take some coating from the can with a small trowel and spread it on to the steel spatula.

Yki rough coating 3 3.

Start by applying Yki Rough Coating evenly from the bottom upwards.

Yki rough coating 4 4.

Then spread it from the top downwards to cover the whole surface.

Yki rough coating 5 5.

Remove any over-thick coating at once with a steel spatula. Spread and smooth down Yki Rough Coating approx. one square metre at a time. 

Yki rough coating 6 6.

After spreading, smooth down the damp surface immediately by pressing lightly with a Tikkurila plastic trowel in circular movements.

Yki rough coating 7 7.

The finished surface is full matt and opaque, and looks very presentable.


Overcoating concrete block surfaces with Yki Socle and reparation mortar (Yki Sokkeli- ja oikaisulaasti)

  • Always level out new and uneven concrete surfaces with Yki Socle and reparation mortar before applying Rough Coating or paint.
  • Always overcoat new concrete surfaces with Yki Socle and reparation mortar by spreading it with the long straight edge of the trowel. Yki Socle and reparation mortar is not suitable for painted surfaces.
  • After spreading, smooth down the surface in long strokes with the long straight edge of the trowel.
  • This will usually produce a sufficiently smooth surface – if not, after 20 to 40 minutes  smooth down for finishing with a soft, damp rubber trowel. Only smooth down when the surface is firm enough not to stick to the trowel.
  • Cover the concrete surface with plastic sheeting or spray water on to it every morning and evening for 2 to 4 days.
  • Apply Yki Rough Coating at least 2 weeks after the mortar overcoating has dried.
  • Mortar overcoating coverage is approx. 5-10 kg / sq m when the coat is 2-5 mm thick. Add a 25 kg sack of mortar powder to 4-5 litres of clean water to produce 13-14 litres of mortar ready for use.
  • Largest grain size is 0.6 mm.
  • Mix mechanically into an even mass and let it settle for 10 min. Mix again, adding water if it is too stiff to spread. Only mix as much mortar as you can use within an hour.
  • Overcoating should be as durable as Yki Socle and reparation mortar, for example. If you can make a fingernail imprint in moistened, hardened mortar, then it is too soft for use. If wiping your dry palm across the surface loosens sand particles and small stones from it, then it is too sandy and therefore unsuitable.
  • Apply a sufficiently thick overcoat layer (2-5 mm) to cover concrete block joints.
  • If there are visible signs of efflorescence (salt deposits) on the surface caused by dampness, apply silicone-based Yki or Kivisil Primer or Alfasil Silicone Sealant to the plinth after overcoating. Treating the surface with primer reduces efflorescence and thereby the risk of damaging the coating.

Working with Yki Rough Coating (Yki Rouhepinnoite)


  • Take some coating from the can with a small trowel and spread it over the steel spatula.
  • Apply Yki Rough Coating from the bottom upwards using the long edge of the trowel.
  • Then spread the coating from the top downwards.
  • Apply Yki Rough Coating with a steel spatula approx. one sq metre at a time.
  • Remove over-thick coating by scraping the surface firmly with the steel spatula.
  • After spreading, smooth down the damp surface immediately by pressing lightly with a Tikkurila plastic trowel in circular movements.
  • If the plastic trowel sticks to the surface, the coating is too thick.



Products for socle

Yki-Rouhepinnoite

Yki rouhepinnoite - Rough Coating

For plain concrete substrates and screeded surfaces of concrete and masonry structures in socle and wall surfaces. Also suitable for building boards. The screed should be a cement or cement-rich lime-cement mortar. Minimum grain size approx. 2 mm.

Coverage: 0.6-0.8m²/ l. Coverage is determined by the roughness and porosity of the surface, the painting method and painting conditions. Paint calculator
Application method:

Trowel, for spray application, use plaster pump, min. nozzle size 5 mm or funnel sprayer. Coating applied with trowel is finished with Tikkurila plastic float. Sprayed coating can be left as such or finished with Tikkurila plastic float.

Thinner: Water
Colour Cards: Wooden Facades and Facade
Product data sheet Safety data sheet
Yki Socle and Levelling Mortar

Yki Leveling Mortar

Light gravel blocks, concrete blocks and surfaces.

Coverage: Approx. 5-10 kg/m2 (= approx. 2 - 5 mm coat) Paint calculator
Application method: Apply by hand using a steel float or mortar gun (min. nozzle size 7 mm.) and finish with a steel trowel or  wet expanded plastic float.
Thinner: Water
Product data sheet Safety Data Sheet - YKI Socle and Reparation Mortar
Yki Paint for Socles

Yki sokkelimaali - Paint for socles

For painting of concrete and screeded building block socles. The screed should be a cement or cement-rich lime-cement mortar

Coverage: 4-6 m²/ l, one coat. Coverage is determined by roughness and porosity of the surface as well as painting method. Paint calculator
Application method: Brush, roller or spray. For airless spray application, use a nozzle 0.027" - 0.029", handle filter 0.56 mm


Thinner: Water
Colour Cards: Wooden Facades and Facade
Product data sheet Safety Data Sheet - YKI paint for socles