10 Best Plaster Sealer Paint B&q for 2026
List of Top Rated Plaster Sealer Paint B&q from thousands of customer reviews & feedback.
Updated On August 2026 1049 Reviews Studied By Customer Ratings
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501 Universal PVA Bond - Multi purpose bonding agent, primer, sealer and admixture - 5 Litre - White
SIKA
- Greatly improved adhesion to a wide range of substrates including dense concrete, glass, steel, tiles etc
- Mixes may be applied in much thinner sections resistance to salt permeation
- Reduced surface dusting of concrete
- Improves flexibility of sand cement products
- Reduced water: cement ratio for equivalent workability
2 
Blue Spot 24201 11-inch Plastering Trowel
Blue Spot Tools
- 11" Plastering Trowel
- 280 x 110mm with polished face
- With a tough plastic handle
3 
Polycell Fine Surface Filler Tub, 500 g
Polycell
- Apply with palette knife
- Extra fine filler for hairline cracks and woodgrain
- For a professional glass smooth surface for painting
- Fills cracks up to 2mm wide
4 
Polycell Crack-Free Ceilings Smooth Matt - 2.5 L
Polycell
- A smooth and flexible paint, that permanently covers cracks and stains
- One coat formulation that prevents cracks from reappearing
- Restores cracked ceilings to a smooth ‘as good as new’ finish
5 
Dulux Professional Undercoat Paint For Wood And Metal - 2.5L
Dulux
- For interior or exterior wood and metal
- Capacity: 16m²/L per coat. This 2.5L can will cover 40m² with one coat (approx)
- Even base for top coat
- superb hiding power
- Drying Time: Leave for 16 hours to dry. Newly painted doors and windows should not be closed and radiators should not be heated until paint is fully dry.
- Colour Group:
- One coat
- Even base for top coat
- Interior or exterior
- Easy to apply
- Long lasting white
6 
HG Mould Spray
HG
- Effectively removes all brown and black stains caused by mould, fungus and algae.
- These black or brown marks are found on the silicon seal between the bath tub and edges of tiles, on the shower cubicles and on plaster.
- Helps to control re-growth
7 
Zinsser ZINCSP25L 2.5 Litre Cover Stain Primer/Finish Paint
Zinsser
- Exterior
- Oil Based
- unparalleled adhesion to glossy surfaces
8 
Polycell Multi-Purpose Polyfilla Ready Mixed, 1 Kg
Polycell
- The original versatile filler for all interior repairs
- Guaranteed adhesion, will not shrink or crack
- Drillable
- Fills up to 10mm
- The original versatile filler
- Guaranteed adhesion
- Will not shrink or crack
9 
Polycell Plaster Repair Polyfilla Ready Mixed - 2.5 L
Polycell
- Easily repairs damaged plaster – ready mixed formulation
- Easier to apply and smooth out than ordinary plaster
- Light consistency – will not slump, shrink or crack and has strong adhesion
10 
Square Card Reader - Accept Contactless and Chip & PIN, Apple Pay and Google Pay
Square
- Accept chip and PIN cards, contactless cards, Apple Pay and Google Pay
- Pay one flat rate for all major cards - Visa, Mastercard and even American Express
- Connect wirelessly to your iOS or Android device with Bluetooth LE
- Our free point-of-sale app takes care of payments, invoices, inventory, reports and more
- Deposits direct to your bank account as fast as the next business day
- No monthly or hidden fees or long term commitments
- Please note that this product does not work in: The Republic of Ireland, The Isle of Man, Jersey (Channel Island) or Guernsey (Channel Island)
