At The Yard Builders Merchant, we supply premium-quality British Gypsum Thistle Hardwall Plaster, the trusted choice for professional plasterers and builders across the UK. Designed as a high-impact, quick-drying undercoat plaster, Thistle Hardwall is ideal for use on most masonry surfaces including bricks, medium-density blocks, and aircrete blocks. This versatile undercoat offers superior adhesion, excellent coverage, and a robust base for Thistle finishing plasters, ensuring a smooth, durable, and long-lasting wall finish. Whether you’re working on new builds, renovations, or large-scale construction projects, Thistle Hardwall Plaster delivers consistent performance and outstanding results.