BAL Prime APD Primer 2.5 Ltr

In stock | | 2-3 Working Days

  • Prime APD acrylic primer for walls and floors
  • Rapid drying primer.
  • Primer is green to help ensure that a complete and even coating is obtained.
  • Stabilises dusty tiling substrates.
  • Reduces background porosity.
  • Drying time: 15-30 mins. (at 20°C)


Rapid-drying, coloured, acrylic primer for tiling substrates. A modified acrylic polymer dispersion for preparing wall and floor backgrounds prior to fixing of ceramic, mosaics and natural stone tiles in dry or wet internal and external environments.

Use for

  • Preparing background for receiving adhesives and levelling compounds.
  • BAL PRIME APD isolates products containing calcium sulphate such as gypsum plaster and anhydrite screeds when using cement-based adhesives.
  • Providing stability to friable surfaces and reducing the porosity of absorbent backgrounds/bases.
  • Preventing the formation of air bubbles and prolonging the flow time with levelling compounds.
  • dry/wet – interior/exterior


  • plaster walls when using a BAL cementitious powder adhesive
  • tongue & groove floorboards
  • Anhydrite/ Calcium Sulphate screeds (second coat)

USE DILUTED 1:1 with clean water on:

  • dusty/porous plaster walls when using a BAL ready-mixed adhesive
  • cement: sand screed/concrete floors
  • Anhydrite / Calcium Sulphate screeds (first coat)

MAY BE TILED AFTER: 30 minutes

More Information

MPN 18700
Brand BAL
Area Internal | External
Material Other Materials
Size 2.5 L
Type Primers-Admixes
Width (mm) 0

Technical Info

Delivery Costs:

Delivery fees are calculated based on the weight of your order and your delivery location. You can use the delivery fee calculator in your basket or on the checkout page to find the exact cost.

Delivery Area:

We currently only deliver to UK Mainland and the Highlands. We do not deliver to the Islands, Ireland, or Northern Ireland.

Next Working Day Delivery (Subject to Stock Availability):

Orders placed before 12:00 pm (noon) will be delivered the next working day, excluding weekends and holidays. This service starts from £6.50 (including VAT) and the final cost is based on the weight of your order and your delivery location. You can check the exact cost in your shopping cart or on the checkout page by entering your postcode.

Cut-off Time for Genesis Products (Non-Stocked): 11:00am

Economy Service (2-3 Working Days):

This service is only available for orders over 50kg. There is no additional charge for this service.

Sample Orders:

All sample orders are shipped for free via Royal Mail Tracked 48 or 24 service. Delivery typically takes 1-3 working days.

Delivery Methods:

Non-sample orders under 50kg will be dispatched via DPD or APC Overnight. Non-sample orders over 50kg (quarter, half, and full pallets) will be dispatched via Palletways or Kandrmason.


Simply place your order online and choose the Click & Collect option at checkout.
We'll email you once your order is ready for pickup at your chosen store.
Collection hours: Monday - Friday: 8:30 am to 4:30 pm

For more information, please visit our Delivery Information page.

- Please inspect your order for any damages upon delivery and notify us immediately if you find any.

- We will replace any items that are damaged during transit.

- We accept returns within 30 days of delivery.

- Please note that customers are responsible for the cost of returning items.

- We will process returns and refunds promptly once the items are received at our warehouse.

Returning Trims
Schluter Trime
Returning trims - 35% restocking fees applied.
Returnign trim with replacement - 15% restocking fees applied
Customers are responsible to arrange returning the item.
If we arrange a return colleciton, a £35 return item collection feed will be applied.

Mapei-Profilpas Trims
A 20% restocking fee will be applied. (Item must be in re-sellable condition)
The customer is responsible for returning the item.

For more information, please visit our Return & Exchange page.


Product Questions