Substrate preparation

Primer


The correct primer forms the basis of a professional substrate preparation. BOTAMENT D 11 Deep Primer is ideal for all absorbent substrates such as cement screeds, calcium sulphate screeds, porous concrete, sand lime stone brickwork, plaster- boards and mineral renders. Any residual dust left on the surfaces or inside pores is made solid through the priming. In addition, D11 reduces the building materials’ absorbency and produces uniform absorbency conditions across the entire substrate. This prevents premature dehydration of subsequently installed levelling compounds and ensures tile adhesives do not cure too quickly, safeguarding optimal bonding between cover and substrate. Smooth, non-absorbent substrates , such as wood and timber materials, existing old tiling, water-insoluble paints and coatings and unpolished mastic asphalt screeds are primed using BOTAMENT D 15* Bonding Primer. The quartz sand this primer contains makes it possible for the mineral building materials that are applied subsequently to hold on to or ‘claw’ onto the substrate. 

For many applications BOTAMENT R 20 Multiprimer is the right primer to use. It is effective both as a primer for smooth, densely-structured concrete, but is also a protection against moisture penetration from the rear. Thanks to its inherent quartz sand content the fresh primer no longer needs to receive a final scattering of sand.

 


* Only for interior use 

1

Priming absorbent substrates:

Absorbent floors are primed with BOTAMENT D 11.

2

BOTAMENT D 11 can be applied with a roller or a brush. 

3

Priming non-absorbent substrates in interior:

Firmly bonded coatings are primed using BOTAMENT D 15

4

Priming of existing unpolished mastic asphalt with BOTAMENT D 15

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