Discount 70% Off And Free Shipping On Orders Over £45

Discount 70% Off And Free Shipping On Orders Over £45

Copper Products UK Online Sale
Login / Register
Search
3 items £20.22
Menu
Copper Products UK Online Sale
3 items £20.22
  • Shop
-55%
Click to enlarge
Home Exterior Johnstone’s Exterior Undercoat 2.5L Discount
SupaTool Dead Blow Hammer 1.5lb £5.57 Original price was: £5.57.£2.51Current price is: £2.51.
Back to products
Cementone Freeflo Supply £10.99 Original price was: £10.99.£4.95Current price is: £4.95.

Johnstone’s Exterior Undercoat 2.5L Discount

£24.49 Original price was: £24.49.£11.02Current price is: £11.02.

6 Items sold in last 18 minutes
  • 30 days easy returns
  • Delivery within 2-5 days
16 People watching this product now!
SKU: UK-8585166586136 Category: Exterior
  • Description
Description

Johnstone’s Exterior Undercoat 2.5L

Johnstone’s Exterior Undercoat 2.5L White

Ensure superior performance and lasting protection for your exterior wood and metal surfaces with Johnstone’s 6 Year Exterior Undercoat. Specially formulated to complement Johnstone’s 6 Year Exterior Gloss, this high-quality undercoat provides a perfect base for a durable, smooth finish that will stand the test of time. The flexibility and resilience of this undercoat make it an essential part of the exterior painting system, designed to withstand harsh outdoor conditions.

Key Features:

  • Durable Foundation: Provides a long-lasting and flexible base for exterior gloss finishes, ensuring a smooth and even surface.

  • Enhanced Flexibility: The advanced formula retains flexibility longer than traditional undercoats, preventing cracking and blistering.

  • Weather-Resistant Protection: Formulated to resist the damaging effects of blistering, cracking, and peeling, making it ideal for outdoor surfaces.

  • Compatible with Johnstone’s 6 Year Exterior Gloss: When used together, these products form a system that provides up to 6 years of protection.

  • Oil-Based Composition: Promotes strong adhesion and offers excellent coverage on both wood and metal surfaces.

  • Quick Drying: Touch dry in 4–6 hours, enabling faster project completion.

Technical Specifications:

  • Paint Type: Oil-Based

  • Coverage: 12m² per litre

  • Dry Time: Touch dry in 4–6 hours

  • Application: Brush or roller

  • Recommended Surfaces: Exterior wood, metal

Product Dimensions:

Dimension Measurement
Boxed Weight 3.0 kg
Volume 2.5L

Additional Information:

  • Country of Origin: Great Britain

  • Commodity Code: 3209900000


Frequently Asked Questions (FAQs)

Q: Can I use this undercoat with other gloss products, or is it only for Johnstone’s gloss?
A: This undercoat is specifically designed to work with Johnstone’s 6 Year Exterior Gloss for optimum results, but it may be used with other exterior gloss products, although performance may vary.

Q: How many coats of undercoat do I need to apply?
A: Typically, one coat of undercoat is sufficient, followed by one or two coats of Johnstone’s 6 Year Exterior Gloss. For best results, ensure the surface is clean and well-prepared before applying the undercoat.

Q: Can I apply this undercoat on previously painted surfaces?
A: Yes, this undercoat can be applied to both bare and previously painted surfaces, provided the existing paint is in good condition and is properly prepared.

Q: Is this product suitable for use in coastal or high-moisture environments?
A: Yes, when used as part of the Johnstone’s 6 Year Exterior system, this undercoat provides enhanced protection against weathering, making it suitable for coastal or high-moisture areas.


Warranty Information:

Johnstone’s guarantees that Johnstone’s 6 Year Exterior Undercoat will perform as described when applied as part of the Johnstone’s 6 Year Exterior System. This system provides up to 6 years of durability under normal environmental conditions. Performance issues arising from improper application, extreme exposure, or unprepared surfaces are not covered under warranty.

Related products

-65%
Add to cart

Dulux Weathershield Quick Dry Undercoat 2.5L Supply

Exterior
£46.99 Original price was: £46.99.£16.45Current price is: £16.45.
-55%
Select options This product has multiple variants. The options may be chosen on the product page

Johnstone’s Exterior Hardwearing Gloss 750ml

Exterior
£13.99 Original price was: £13.99.£6.30Current price is: £6.30.
-55%
Select options This product has multiple variants. The options may be chosen on the product page

Johnstone’s Exterior Quick Dry Satin 750ml Supply

Exterior
£13.99 Original price was: £13.99.£6.30Current price is: £6.30.
-55%
Add to cart

Sandtex 10 Year Exterior Multi Surface Gloss Anthracite 750ml

Exterior
£24.18 Original price was: £24.18.£10.88Current price is: £10.88.
-55%
Add to cart

Sandtex 10 Year Exterior Multi Surface Gloss Black 750ml

Exterior
£24.18 Original price was: £24.18.£10.88Current price is: £10.88.
-55%
Add to cart

Sandtex 10 Year Exterior Multi Surface Gloss Pillar Box Red 750ml

Exterior
£24.18 Original price was: £24.18.£10.88Current price is: £10.88.
-55%
Add to cart

Sandtex 10 Year Exterior Multi Surface Gloss Smokey Grey 750ml Fashion

Exterior
£24.18 Original price was: £24.18.£10.88Current price is: £10.88.
-65%
Select options This product has multiple variants. The options may be chosen on the product page

Zinsser Allcoat Exterior Sb Satin Blk

Exterior
£62.49 Original price was: £62.49.£21.87Current price is: £21.87.
    NEED HELP?
    • About us
    • Contact Us
    • Track Your Order
    SUPPORT
    • Shipping Policy
    • Returns & Refunds Policy
    • Terms of service
    • Privacy Policy
    • My account
    NEWSLETTER:

    © 2025 copperstyleproducts.com
    payments
    • Shop
    • Login / Register
    Shopping cart
    Close
    Sign in
    Close

    Lost your password?

    No account yet?

    Create an Account
    Start typing to see products you are looking for.
    Shop
    3 items Cart
    My account