Specialist Primers

Prepare surfaces properly and achieve lasting results with our Specialist Primers collection at Trusted Building Supplies. Whether you’re working with metal, wood, plaster, or previously painted surfaces, our primers are formulated to improve adhesion, block stains, and create the ideal base for topcoat application. Designed for both professionals and DIYers, these primers ensure a smoother finish and greater durability.

Primers for Every Surface and Situation

From high-performance stain-blocking primers to moisture-resistant and multi-surface bonding primers, our collection offers reliable solutions for even the most challenging surfaces. Whether you're sealing bare plaster, prepping woodwork, or protecting metal from rust, we have the right product for the job. For finishing touches, explore our Specialist Paints collection to complete your coating system with confidence.

Improve Paint Coverage and Longevity

Using the right primer enhances paint performance, improves coverage, and prevents issues like flaking, discolouration, or moisture damage. Whether indoors or outdoors, specialist primers play a vital role in achieving a professional finish that lasts. For interior prep, pair with our Plasterboard range to build a solid foundation for decorating.

Easy Application and Fast Drying

Most of our primers are suitable for brush, roller, or spray application and feature quick drying times to reduce downtime between coats. With excellent adhesion and coverage, these primers are ideal for everything from restoration work to new construction projects.

Why Choose Trusted Building Supplies?

• Specialist primers for metal, wood, plaster & more
• Stain-blocking, moisture-resistant, and multi-surface options
• Perfect for trade and DIY use
• Fast UK-wide delivery and expert customer service

Get the perfect base coat for a professional finish. Browse our Specialist Primers collection below and order online today for reliable, trade-quality products delivered straight to your site or home.