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weber AD250 Additive & Primer

£10.79£32.52 (inc VAT)



weber AD250 Additive & Primer is a synthetic, water-based dispersion of highly flexible acrylic polymers. It is used with standard adhesives to improve flexibility. It can also be used as a primer.

weber AD250 Additive & Primer can be used as a performance-enhancing admixture for weberset plus and weberset rapid plus, when tiling onto:

  • Low-porosity substrates or tiles
  • Wooden floors
  • Green screeds
  • Heated floors

weber AD250 Additive & Primer can also be used alone as a primer as a surface treatment for:

  • Priming porous or dusty surfaces prior to tiling
  • Sealing gypsum based substrates prior to the application of a cementitious product

Things to consider:

  • This product does not act as a waterproofing system
  • Cannot be mixed with grouts to increase flexibility

Technical Data:

Usage (approx.): As an additive: 4.5 litres per 20 kg adhesive – As a primer: 0.1 litres/m2 undiluted, depending on porosity of the substrate
Application temperature: +5°C to +40°C
Relative density: 1.05
Solids content: 33%
pH: 7 to 8

Product Datasheet

Click here to view this product on the manufacturers website.

Additional information

Weight N/A

1KG, 5KG


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