Everbuild Sika PVA Bonding agent 1LTR

Everbuild 501 Universal PVA Bond is a multi‑purpose bonding agent, primer, sealer and admixture used widely in construction and DIY. It’s a medium‑viscosity polyvinyl acetate (PVA) emulsion, stabilized with polyvinyl alcohol and externally plasticised with a vinyl acetate homopolymer. It does not contain harmful phthalates.

Key Uses

• Acts as a general‑purpose adhesive for wood, cork, paper, textiles and other porous materials.
• Used as an admixture in mortar, screeds and renders to improve performance.

• Works as a bonding agent for screeds and renders to poorly bonded or dense substrates (concrete, tiles, etc).

• Can be applied as a primer/sealer before plastering or tiling to seal porous surfaces. 
• When mixed with materials (e.g., wood shavings and plaster), it can be used as an internal filler.

Benefits & Performance

• Improves adhesion to a wide range of substrates including dense concrete, glass, steel and tiles. Sika UK

• Helps reduce surface dusting of concrete and reduces porosity of plaster/mortar. dortechdirect.co.uk

• Improves flexibility of sand‑cement mixes and can lower water‑to‑cement ratio while maintaining workability. Sika UK

• Increases frost resistance of mixes and enhances salt‑permeation resistance. Sika UK

• Conforms to BS 5270 bonding agent requirements for internal use with gypsum plasters.

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