Crown Acrylic Primer Sealer Undercoat is a water-based, 3 in 1 (primer/ sealer/ undercoat) for timber and (untreated) hardboard.
Crown Trade Acrylic Primer Undercoat White 5L
KILZ Original 1 Gal. White Oil-Based Interior Primer, Sealer, and Stain Blocker 10901 - The Home Depot
Primers, Sealers, and Finishes
What can I use to protect matte paint from becoming worn or dirty? Can I use a clear type lacquer? - Quora
CROWN CRAFTED FLAT MATT CROSS STITCH 2.5L — Paint Stop Limited
Primer Archives - Online Paint Shop
Primers & Undercoats – Decor Express Ltd
Professional® Acrylic Sealer Undercoat
The Best Adhesion Primer on the Market - Decorator's forum UK
Crown New Build Acrylic Primer Undercoat
Universal Undercoat Intermediate Paint - Crown Paints Online Shop
Order Crown Trade Primers UK
Multi-Purpose Latex Primer/Sealer - Sherwin-Williams
Primers, Sealers, and Finishes