National Paints Synthetic Undercoat 800 White 18L is a professional-grade undercoat paint formulated to prepare surfaces for final finishing coats. It creates a smooth, uniform base that enhances the appearance, adhesion, and durability of subsequent paint layers.

This synthetic undercoat offers excellent opacity and coverage, helping to seal surfaces and reduce topcoat consumption. It is suitable for application on wood, metal, and previously painted surfaces, making it ideal for both interior and exterior preparatory work.

Easy to apply using brush, roller, or spray, the paint levels well and dries to a firm, even finish. Supplied in a large 18-litre pack, it is perfect for contractors, workshops, and large-scale painting projects requiring consistent and reliable performance.

✅ Key Features

✔ 18L synthetic undercoat paint
✔ Shade: 800 White – clean, bright white base
✔ Excellent adhesion for topcoat preparation
✔ High coverage and good opacity
✔ Smooth and uniform surface finish
✔ Suitable for wood, metal, and painted surfaces
✔ Easy application by brush, roller, or spray
✔ Improves durability and appearance of topcoats
✔ Ideal for professional and contractor use
✔ Trusted National Paints quality