Johnstones Weatherguard Exterior Undercoat Brilliant White

Johnstone's Weatherguard 6 Year Exterior Undercoat provides a durable, high-performance base layer designed to protect and prepare exterior wood and metal surfaces for topcoat application. This tough undercoat improves adhesion, enhances finish durability, and helps prevent peeling, blistering, and cracking for long-lasting results.

Finish Options:

• Matt Finish: Smooth, flat finish ideal for creating a solid, even base under gloss or satin topcoats.

• Specifically formulated for exterior wood and metal surfaces
• Improves adhesion of exterior gloss and satin finishes
• Excellent resistance to peeling, blistering, and cracking
• Compatible with Johnstone’s Weatherguard 6 Year Exterior Gloss for maximum protection
• Coverage:
  • 750ml tin covers approximately 10m²
  • 2.5L tin covers approximately 35m²
• Touch dry in 4–5 hours to keep your project on schedule

• Surface Preparation: Ensure surfaces are clean, dry, and free from dirt, grease, rust, and loose paint. Sand glossy surfaces to improve adhesion.
• Usage Directions: Stir thoroughly before use for consistent coverage.
• Application Technique: Apply evenly using a brush or roller. Avoid thick layers to prevent running or sagging.
• Drying Time: Touch dry in 4–5 hours; ready for topcoat application after this period.
• Maintenance Advice: Clean tools immediately after use with clean water. Store unused product in a sealed container away from frost.