BAL Prime APD is a rapid-drying acrylic primer suitable for priming wall and floor backgrounds prior to the fixing of ceramics, mosiacs and natural stone tiles in dry or wet interior and exterior environments. BAL Prime APD stabalises dusty surfaces and reduces the porosity of backgrounds and may be used undiluted on plaster walls and plasterboard, tongue and groove floorboards and anhydrite screed floors. Use diluted on plaster walls (if dusty or porous) and cement floors.
As a rapid-drying primer, BAL Prime APD produces cost and time savings for your project, stabiling backgrounds in ultra-quick time allowing for tiling with a suitable adhesive in 15-30 minutes. BAL Prime APD is suitable for a variety of projects including walls and floors, worktops, showers, heated screeds and areas with limited movement or vibration. Typical coverage of BAL Prime APD is 5-10m2 per litre undiluted, 10-20m2 per litre diluted 1:1 with water.
The BAL Prime APD Primer minimises the risk of reaction between the two materials and provides surface strength to friable surfaces. It reduces porosity - preventing air bubbles and prolonging the flow time of levelling compounds and extending the open time of tile adhesives.
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- Preparing floor and wall backgrounds prior to fixing of ceramic/mosaic and natural stone tiles
- Dry/wet - interior/exterior
Use undiluted on
- Plaster walls/plasterboard when using a BAL cementitious powder adhesive
- Tongue & groove floorboards
- Anhydrite screed floors
May be tiled after 30 minutes Use diluted 1:1 on
- Dusty/porous plaster walls when using a BAL ready-mixed adhesive
- Cement: sand screed/concrete floors
- Stabilises dusty tiling substrates
- Reduces background porosity
Typical Coverage (per pack)
Size Undiluted Diluted 1:1 with clean water 2.5L 12.5 - 25m2 25 - 50m2
Coronavirus Delivery Update
We are working closely with our delivery providers and can confirm all deliveries are unaffected by recent events. Whether you place your order on our website or over the phone with our sales team, you will continue to receive the same high standards of delivery you have come to expect from The Underfloor Heating Store.*
Call us today on 01268 567016 to place your order.
*While the vast majority of deliveries are unaffected, there may be some localised delays to due Coronavirus restrictions.
Delivery options Our delivery costs vary according to order size and location. For more information see our Delivery page
As standard we include FREE 2 - 3 working day delivery to all UK mainland addresses (excluding, Channel Islands & Eire) on all heating products.
All orders placed after 3pm on a Friday and at the weekend will be processed on Monday and placed on next working day delivery
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Feefo Reviews - Average 100% (15 reviews)
Date Score Customer Comment Our Response 19-Jan-2018 Product:
I used it as instructed. Who knows whether it does it's job or not for sure, but it is a worthwhile precaution. 21-Dec-2017 Product:
Perfect & fast delivery - Thank you 25-Sep-2017 Product:
Good quality and coverage. 31-May-2017 Product:
Easy to mix and apply and does the job well. 05-Jan-2017 Product:
Easy to use, and effective primer - no odour. 28-Dec-2016 Product:
easy to apply. clear instructions 19-Dec-2016 Product:
Excellent 22-Nov-2016 Product:
As Above 18-Oct-2015 Product:
As Above 17-May-2015 Product:
Good 23-Feb-2015 Product:
Excellent 09-Feb-2015 Product:
good stuff 02-Feb-2015 Product:
... 20-Dec-2014 Product:
Great product. 07-Aug-2014 Product:
Excellent Read more reviews on Feefo
Manuals & Information
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