National Paints NC Primer Surfacer 18L, High-Build Nitrocellulose Primer for Large-Scale Auto Refinishing - White

It is suitable for a variety of surfaces including wood, metal, masonry, and concrete, both indoors and outdoors. It can be used on new surfaces or on previously painted surfaces to improve adhesion and create a solid base for subsequent coatings.

Key features include urethane enrichment for enhanced performance, low viscosity for easy application, quick drying, a semi-gloss finish, and strong resistance to chalking fading cracking and peeling. It also offers mold and mildew resistance for durable exterior use.

You can apply it with a brush roller or spray. Stir well before use. For brush or roller application no thinning is typically required; if you are spraying, follow your equipment manufacturer’s thinning recommendations and adjust for conditions to achieve a smooth even coat.

The primer dries quickly to a semi-gloss finish. In typical conditions you can recoat after a few hours, once the surface is clean dry and free of dust.

NC Primer Surface 18L offers strong adhesion, moisture resistance and versatility as a base for paints and other coatings. For direct comparisons you can view similar products on Fepy such as National Paints NC Primer Surface White 5L at https://fepy.com/product/national-paints-nc-primer-surface-white-5l and National Paints NC Exterior Primer 10L at https://fepy.com/product/national-paints-nc-primer-exterior-white-10l to see differences in coverage and finish.

Being water-based it tends to have lower odor than solvent-based primers. Use in a well-ventilated area and wear appropriate PPE such as gloves and eye protection. Keep away from children, and store the container sealed in a cool dry place.

Use it as a base coat for interior or exterior painting projects, as a sealer for porous substrates, or to bridge older coatings to improve adhesion for subsequent coats. It is suitable for renovation, new builds and large surface projects.

Yes. It creates a durable base that can improve adhesion for waterproofing membranes and other construction coatings, helping to ensure a more uniform finish.

Yes. The 18L container is designed for large-area projects reducing the need for frequent reloading and offering economical coverage over big surfaces.

Prepare the surface by cleaning thoroughly removing dirt oil and grease and allowing it to dry. Repair any cracks or damaged areas and ensure the surface is smooth and dry before applying the primer for best adhesion.