Johnstones Quick Dry Primer Undercoat is a high-quality, water-based preparatory coating designed for use on both interior and exterior surfaces. This versatile primer provides excellent adhesion and a uniform base coat for wood and metal, whether bare or previously painted. Its quick-drying, low-odour formulation allows for fast turnaround and minimal disruption, making it the perfect partner for Johnstones Quick Dry or Hardwearing Gloss and Satin topcoats.

The grey colour enhances coverage of darker topcoats, reducing the number of coats required and improving overall finish durability.

Key Features & Benefits

• Fast Drying: Touch dry in just 30 minutes, allowing quicker recoat times
• Low Odour: Ideal for use in occupied indoor spaces
• Water-Based Formula: Easy to apply and clean up with water
• Excellent Adhesion: Ensures strong bonding between surface and topcoat
• Versatile Surface Compatibility: Suitable for interior and exterior wood and metal
• Improved Coverage: Grey base provides better opacity under dark or deep shades
• Perfect Undercoat: Formulated to work seamlessly with Johnstones Quick Dry or Hardwearing Gloss and Satin paints

Product Specifications

Specification Details Product Type Quick Dry Primer Undercoat Colour Grey Finish Matt (preparatory) Base Water-based Suitable For Interior and exterior wood & metal surfaces Application Method Brush or roller Drying Time 30 minutes (touch dry) Recoat Time 12 hours (depending on conditions) Clean Up Warm soapy water Recommended Topcoats Johnstones Quick Dry or Hardwearing ranges Volume 750ml Boxed Weight 1.0kg Commodity Code 3209900000 Country of Origin Great Britain

Dimensions & Coverage

Volume Boxed Weight Approx. Coverage (per tin) 750ml 1.0kg Up to 10m

Coverage depends on surface porosity and application method. Stir thoroughly before use.

Frequently Asked Questions (FAQs)

Q: Can I use this primer on previously painted surfaces?
A: Yes, it is suitable for both bare and previously painted wood and metal surfaces. Light sanding of glossy surfaces is recommended for best adhesion.

Q: Does it work under solvent-based topcoats?
A: While designed for water-based systems, this primer may also be used under some solvent-based topcoats. Always perform a small test patch to confirm compatibility.

Q: Can I use this primer under dark gloss finishes?
A: Absolutely. The grey shade is ideal for use under darker paints, helping improve opacity and coverage of the topcoat.

Q: Is it suitable for bathroom or kitchen surfaces?
A: Yes, when paired with a moisture-resistant topcoat such as Johnstone’s Hardwearing Satin or Gloss, it is well-suited for humid environments.

Q: How should I prepare the surface before application?
A: Ensure the surface is clean, dry, and free from dust, grease, or loose paint. Lightly sand glossy surfaces to promote adhesion.

Warranty Information

Johnstones Quick Dry Primer Undercoat 750ml is backed by a 12-month manufacturers warranty covering product performance when applied under normal conditions and according to label instructions.

Warranty Covers:

• Manufacturing defects
• Adhesion failure when used with compatible topcoats
• Premature flaking or cracking (when correctly applied)

Warranty Does Not Cover:

• Improper surface preparation
• Application in extreme temperatures or damp conditions
• Use with incompatible topcoats or on unsuitable surfaces

For claims, retain proof of purchase and provide details or photographs of the issue to the manufacturer or retailer.