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RK39 Internal & External Hydraulic Lime Plaster Baumit


Baumit RK39 Cement free natural white lime render for external internal areas. This hydraulic lime render is an easy to use, creamy white coloured, hydraulic lime based render great for all types of solid masonry, historic or modern where a higher thickness is required. Suitable as a base coat and a finishing coat.

Where is it used?
Baumit RK39 hydraulic lime render can be applied on to all types of dense masonry such as natural stone, brick, concrete block and cast concrete. It can be used as a base coat and a plain finish coat which can then receive decoration with mineral paints and is a very useful all-purpose render/plaster.

How is it used?
Baumit RK39 should be mixed with clean tap water (8-9 litres per bag) using an electric whisk to a smooth creamy consistency and applied by hand with a steel trowel and can also be applied by projection rendering machine.
   It should be applied as a base coat at around 15mm thickness and at 5-8mm as a top coat.
   Baumit StarTex mesh should be incorporated into the outer third of the base coat if the substrate is damp or made of dissimilar materials.
   The base coat should be finished with a grid plane or nail float to create a suitable key for the following coat.
   When used as a finish coat it can be trowel or sponge finished.

How much will you need?

   Each 35kg bag of Baumit RK39 will cover up to 1.7m2 at 15mm thickness.

How much will you need?
Each 35kg bag of Baumit RK39 will cover up to 1.7m2 at 10mm thickness.
Size 3.0mm
consumption Ca. 1.3kg/m2/mm
Bag size 35kg pallett =36 bags


Traditional Building Supplies Ltd

Canterbury Road



ME13 8LY

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Office. 01795 530 503



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