Estonian producer of construction materials since 1910

Plaster mixture M5


For us in plastering and masonry as a priming and main coat. Suitable for plastering interior walls and ceilings (also humid rooms); filling holes in walls and ceilings; grouting exterior walls and masonry work.

Composition: hydrated lime, cement, quartz sand (fraction 0 – 2.0 mm), additive – plastificator.

Plaster mixture M5

Technical specifications

Compressive strenght M5
Reaction to fire A1
Chloride content ≤ 0.02 %
Frost resistance 50 cycles
Amount of mixture (25 kg) 12.5 ... 14 l
Usage period Up to 4 hours
Colour Gray


Preparing the mixture

For plastering, mix the contents of the 25 kg bag with 4.5 litres of water. For masonry work, mix the contents of the 25 kg bag with 3.5 litres of water. The mixed product can be used for up to 4 hours.


The plastered area needs to be free of dust and debris. For better adhesion, it is recommended to moisten the plastered surface beforehand. When plastering, the temperature of the mortar and the surface must be +5°C. The priming layer must evenly cover the whole surface and it is not evened out. The necessary plaster thickness is achieved with the main layer of plaster.

Practical advice

Purchase enough plastering mixture of the same batch to avoid possible differences in colour.

Not recommended for machine-plastering.

Packaging and storage

The plaster mixture is available in bags of 25 kg and 1 ton. Store on a pallet, in a dry place and keep away from humidity!

The dry mixture has the best properties for up to 12 months after being packaged.

Safety precautions

May irritate eyes, airways and skin. Avoid inhaling the dust and the mixture being in contact with the eyes. Should the mixture get into contact with eyes, clean the eye with plenty of water and turn to a doctor, if necessary. We recommend using protective eyewear, a respirator, gloves or a protective cream.

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