Description Johnstone’s Trade Professional Undercoat �� Full Product Description: Johnstone’s Trade Professional Undercoat – The Perfect Base for Long-Lasting Gloss Finishes Johnstone’s Trade Professional Undercoat is a high-performing solvent-based basecoat, specially designed to be used underneath Johnstone’s Professional Gloss. It delivers superb opacity, easy brushing, and excellent obliteration — even over uneven or discoloured surfaces. With a smooth and dense finish, this undercoat provides the ideal foundation for a durable, high-sheen topcoat. It improves adhesion, enhances colour depth, and ensures long-term performance on both interior and exterior wood and metal. ✅ Key Features: Excellent opacity and coverage Smooth base for gloss finishes Enhances adhesion and durability Suitable for interior and exterior use Ideal for wood and metal Traditional solvent-based formulation �� Ideal For: Interior woodwork: skirtings, doors, trim Exterior joinery, soffits, and fascia boards Metal surfaces (with appropriate prep) Prepping discoloured or patchy areas before glossing �� Technical Details: Property Value Finish Flat / low sheen Coverage Up to 17m² per litre Recoatable Time 16–24 hours Touch Dry 4–6 hours Application Brush or roller Pack Sizes 1L, 2.5L, 5L VOC Level High Colour Range White & tintable to match topcoat �� Surface Preparation & Application: All surfaces must be clean, dry, and free from dust or grease. Sand previously painted surfaces to provide a key. Stir thoroughly before use. Apply 1 coat of Professional Undercoat and allow to dry fully before overcoating with Johnstone’s Professional Gloss. ⚠️ Important Notes: Designed specifically for use under Professional Gloss Solvent-based; ensure good ventilation Longer drying time — plan recoats accordingly Painting And Decorating Materials
