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Johnstones Professional Undercoat

Johnstones Professional Undercoat

Johnstone's Paints
  • Excellent opacity.
  • Oil based, clean equipment in white spirit.
  • Easy to apply by brush or roller.
  • White,mag and dark grey are ready mixed
Product Options

500 ml Brilliant White


1 Litre Brilliant White


2.5 Litre Brilliant White


5 Litre Brilliant White


1 Litre Magnolia


2.5 Litre Magnolia


5 Litre Magnolia


1 Litre Tinted Colour

Select Colour »

2.5 Litre Tinted Colour

Select Colour »

5 Litre Tinted Colour

Select Colour »

All prices include VAT

Use This With

Johnstone's Professional Undercoat : - is a premium quality undercoat formulated for interior and exterior use. It can be used on wood and metal surfaces. It also provides the perfect surface for overcoating with Johnstone's Professional Gloss. Excellent opacity Oil based - clean equipment with white spirit * Easy to apply by brush or roller. Please download the manufacturer's datasheet for full details.

We can now tint undercoat to the same colour as your finishing coat, which will give you a glimpse of the top coat colour and should make the top coat easier to cover and get better opacity.


All Colours are available from stock, and are tinted on site on our computerised PPG tinting machine and are available for immediate delivery, The tinted colour ranges available are BS, Ral & PPG House Colours , we can also tint to most other manufactures house colours. Tinted colours cannot be cancelled or returned once mixed.

Please see Covid-19 Information page for current Delivery information and trading terms

Orders over £69.99 are free delivery to mainland UK. If the order is below this value, the charge is £6.95

If an order is placed before 2.30pm on a working day, we will despatch the order the same day on a next working day delivery service.

Providing the item is in stock, your order will then be delivered the next working day.

We offer a trusted and tracked courier service to ensure your order arrives swiftly and in perfect condition. 

We also deliver to the majority of non mainland UK locations including The scottish Highlands & islands, Isle of Man, Isle of Wight, Isles of Scilly and Northern Ireland. Please see full delivery terms for the extra charges associated with these locations 

Please return your unwanted product to us within 30 days for a refund on the item.

However we are unable to accept returns of any paint where we have mixed the colour for you on our mixing machines. This is bespoke for the customer and we are unable to re-sell it.

Any products marked DD (Direct Delivery) come direct from the manufacturer and therefore may incur a re-stocking fee.

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