Johnstone's Quick Dry Polyurethane Varnish Gloss

Johnstone's Quick Dry Polyurethane Varnish Gloss

Osmo Polyx-Oil Matt

Osmo Polyx-Oil Matt

Johnstone's Advanced Stain Block Primer

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Out of stock
From £24.53 £20.44

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Free delivery for orders £50 and over (UK mainland - Next Day Delivery*)

£5.99 delivery for orders less than £50 (UK Mainland - Next Day Delivery*)

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Johnstone's Advanced Stain Block Primer is a heavy duty stain blocker ideal for sealing tar, bitumen and creosoted surfaces and to prevent bleeding through in subsequently applied oil based paints. Primer sealer for timber, wood composites, plaster, cement, brickwork, water stains, graffiti, knots, smoke & fire damage.


NB: Formerly known as Quick Dry Primer Sealer

  • Weight 1.000000
  • Product Application Brush or Roller
  • Coverage 10m2 per ltr
  • Touch Dry 10 minutes
  • Surface Exterior Walls, Exterior Wood

Free delivery for orders £50 and over (UK mainland - Next Day Delivery) 

£4.99 delivery for orders less than £50 (UK mainland - Next Day Delivery)

Restrictions apply.

* We are working hard with our delivery partners to ensure that all deliveries are completed * Further details here.


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This is based on a coverage of 10m² per litre of paint and one coat of paint.

Make sure you always check the coverage on the product page before purchasing and, if covering a dark or bright colour, you may need two or three coats.