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BAL Prime APD Primer (2.5 Litre) 1: £15.03 2+: £13.42 each inc. VAT

BAL Prime APD Primer is used in the preparation of walls and floor backgrounds prior to the application of BAL Acrybase, BAL Multibase and BAL Ultrabase levelling compounds, as well as the BAL WP1 waterproofing kit - for the fixing of ceramics, mosaics and natural stone tiles in dry or wet interior and exterior environments. BAL Prime APD is a modified acrylic polymer dispersion, which isolates products containing calcium sulphate, such as gypsum plaster and anhydrite screeds, from cement-based adhesives. This minimises the risk of a reaction between the two materials, provides surface strength to friable surfaces and reduces porosity, thus preventing the formation of air bubbles, prolonging the flow time with levelling compounds and extending the open time of tile adhesives. It is recommended for use undiluted on; plaster walls and plasterboard (when using a BAL cementitious adhesive), tongued and grooved floorboards and anhydrite screed floors. Recommended for use diluted 1:1 on; plaster walls – only if dusty or porous (when using a BAL ready-mixed adhesive) and cement floors.

Key Features

• 2.5 litre BAL Prime APD
• Stabilises dusty surfaces and reduces porosity of backgrounds.
• Coverage undiluted: 100-200ml per sq metre; Coverage diluted 1:1: 50-100ml per sq metre
• Drying time: 15-30 minutes.
• Recommended for use on brick, concrete, rendering, lightweight blockwork, plaster, plasterboard, tile backer boards, floorboards, anhydrite screed, cement: sand screed, plywood overlay (floors) and vinyl tiles.
• The primer is blue, in colour, to help ensure that a complete and even coating is obtained.

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