Johnstone’s Trade Stormshield Flexible Primer Undercoat in Brilliant White is a premium-quality, solvent-based product designed to deliver lasting protection for exterior woodwork and suitably primed metal. Its advanced microporous formula offers exceptional flexibility—resisting cracking and flaking caused by weather exposure. Engineered for use with Stormshield Flexible Gloss or Satin finishes, this primer ensures up to eight years of maintenance-free performance when applied correctly.

Key Features:

• Microporous and flexible to accommodate wood movement

• Combines both primer and undercoat in one

• Resists cracking, blistering, and flaking over time

• Extends surface life up to eight years when paired with compatible topcoats

• Excellent adhesion and opacity for durable coverage

Ideal For:

• External woodwork such as doors, trims, window frames, and fascias

• Exterior metal surfaces suitably prepared

• High-exposure surfaces needing long-term protection

• Systems finished with Stormshield Flexible Gloss or Satin

Application:

• Stir thoroughly before use

• Apply onto clean, dry, and sound surfaces with a brush, roller, or sprayer

• Allow 16–24 hours before recoating

• Lightly sand if re-coating is delayed for optimal adhesion

Coverage:

• Approximately 11–13 m² per litre depending on surface porosity

Available Sizes:

• 2.5 L (standard)

• 1 L (tinted version available)