Thistle Bonding Coat

Description

Thistle Bonding Coat is a high-performance gypsum undercoat plaster specifically developed to provide a strong, reliable base on low-suction backgrounds before the application of a finishing plaster. Renowned for its excellent adhesion and ease of use, it is a trusted choice for professional plasterers, contractors, and DIY users undertaking internal plastering projects.

Ideal for surfaces such as dense concrete, cast in-situ concrete, engineering bricks, and dense concrete blocks, Thistle Bonding Coat creates a smooth, level undercoat that is ready to receive finishing plasters, including Thistle Multi-Finish. Its lightweight formulation offers excellent workability, making it easy to apply by hand while allowing sufficient time to achieve a quality finish.

Whether you’re plastering new walls, carrying out repairs, or renovating existing interiors, Thistle Bonding Coat helps create a durable, even surface that improves the appearance and performance of the finished plaster system. Designed for internal use only, it is suitable for walls and ceilings in both residential and commercial properties.

Features & Benefits

• Lightweight gypsum undercoat plaster
• Designed for low-suction backgrounds
• Excellent adhesion to dense surfaces
• Easy to mix and apply by hand
• Provides a smooth, even base for finishing plaster
• Compatible with Thistle Multi-Finish and other gypsum finishing plasters
• Suitable for internal walls and ceilings
• Ideal for new-build, refurbishment, and repair work
• Trusted by professional tradespeople across the construction industry

Suitable Backgrounds

• Dense concrete
• Cast in-situ concrete
• Engineering bricks
• Dense concrete blockwork
• Other low-suction masonry surfaces

Typical Applications

• Preparing walls before skim finishing
• Internal wall and ceiling plastering
• Property renovations and refurbishments
• New-build construction
• Patch repairs and surface levelling

Storage

Store bags in a dry, covered environment away from moisture and direct ground contact. For optimum performance, use within the manufacturer’s recommended shelf life and follow the application instructions provided on the packaging.