weber AD250 Additive & Primer

Description

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