BAL Prime APD Acrylic Primer (2.5L)

BAL Prime APD is a rapid-drying acrylic primer suitable for priming wall and floor backgrounds prior to the fixing of ceramics, mosaics and natural stone tiles. You can use this primer in dry or wet interior and exterior environments. BAL Prime APD stabilises dusty surfaces and reduces the porosity of backgrounds.

Perfect for priming walls and floors, BAL Prime APD offers a number of benefits for the fixer. Available in 2.5 litre bottles, the product can also be used with BAL levelling compounds and the BAL WP1 Tanking System. BAL Prime APD can be used undiluted and diluted and helps stabilise backgrounds prior to tiling in interior or exterior environments.

It can be used undiluted on plaster walls, tongue and groove floorboards. Use diluted on plaster walls (if dusty or porous), Anhydrite and cement floors. Use diluted on plaster walls when using ready mixed adhesives.

BAL Prime APD Acrylic Primer can be used on the following substrates: Brick/Concrete, Rendering, Lightweight Blockwork (must be rendered), Cement:Sand Screed, Plaster, Plasterboard, Tile Backer/Fibre Cement Boards, Tongue & Groove Floorboards, Overlaid Timber Floors (15mm minimum), and Anhydrite/Calcium Sulphate Screeds.

BAL Prime APD can be used on the following areas as a primer before tiling:

Before priming with 2 coats (second coat applied at 90⁰ to the first):

Use undiluted:

• Plaster walls (when using a BAL cementitious adhesive).
• Tongued and grooved floorboards (when using BAL Single Part Fastflex or a BAL flexible cementitious adhesive with BAL Rapid Mat Uncoupling Matting).

Before priming with 1 coat:

Use diluted 1:1 with clean water on:

• Plaster walls (when using a BAL ready-mixed adhesive), only if dusty or porous.
• Cement screeds/concrete/brick/rendering

Before priming with 2 coats (second coat applied at 90⁰ to the first):

Use diluted 1:1 with clean water first coat, second coat undiluted:

• Calcium sulphate screeds
• Anhydrite screeds

The following substrates may require priming on the face of the board. Check suitability for the intended purpose with the manufacturer.

Before priming with 1 coat:

Use undiluted or diluted 1:1 with water by volume (refer to board manufacturer for guidance:

• Lightweight tile backer boards
• Calcium silicate boards
• Fibre-reinforced cement sheets

For levelling or waterproofing, refer to BAL product data sheet for priming guidance i.e. BAL Level Max.

Features & Benefits of the BAL Prime APD Primer

Click the links below to see the technical specifications and user guides for this product.

• Click here to see the BAL APD Primer 25 Year Guarantee
• Click here to see the BAL APD Primer EMICODE Certificate
• Click here to see the BAL APD Primer Material Safety Data Sheet
• Click here to see the BAL APD Primer Technical Data Sheet