Johnstone's Trade Primer

6 Items

per page
Set Descending Direction
  1. Rating:
    Johnstones Alkali Resisting Primer
    From £30.32 £25.27
  2. Rating:
    Johnstones Ultra Primer Sealer
    From £15.72 £13.10
  3. Rating:
    Johnstone's Joncryl Water Based Primer Undercoat White
    From £12.83 £10.69
  4. Rating:
    Johnstone's Advanced Stain Block Primer
    From £22.25 £18.54
  5. Rating:
    Johnstones Universal Primer White
    From £18.85 £15.71
  6. Rating:
    Johnstones Wood Primer White
    From £19.49 £16.24

6 Items

per page
Set Descending Direction
Not sure which size?

Use our paint calculator to work out how much you need

Enter the dimensions of your walls, details of any gaps like windows and doors, and click calculate

Remember: It's probably better to have a bit too much than to order too little!

Tell us your wall dimensions
Wall 1
How many windows and doors are there in the area you want to paint?

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.