Thistle Bonding Coat backing plaster is first choice for plasterers working with smooth or low suction backgrounds.
It’s easy to spread and finish thanks to its fine mix and good workability, making it the ideal undercoat on new walls, or for making good old walls before skimming with British Gypsum finishing plasters.
Key facts
- Strong adhesion on low‑suction and smooth backgrounds
- Ideal base layer for finishing plasters such as MultiFinish
- Excellent workability for building depth and levelling uneven surfaces
- Suitable for difficult substrates including concrete and engineering brick
- Reliable setting performance for both small and large‑scale projects
- 25kg trade bag designed for professional plastering work
Details
Standards
| Standards | Standard types |
|---|---|
| EN 13279-1:2008,Gypsum binders and gypsum plasters. Definitions and requirements. | Type B4/20/2 and C3/20,Lightweight gypsum building plaster; Setting time; Compressive strength. |
Thistle BondingCoat | Backing Plaster | British Gypsum
Thistle Bonding Coat is a high‑performance undercoat plaster designed for use on smooth, low‑suction or difficult backgrounds where traditional plasters struggle to adhere. Supplied in a 25kg trade‑sized bag, it provides a strong, reliable base layer for finishing plasters such as Thistle MultiFinish. Its formulation delivers excellent adhesion, making it ideal for surfaces like concrete, engineering brick, plasterboard, and painted backgrounds once properly prepared.
This undercoat plaster is engineered for superior workability, allowing plasterers to build up depth easily and achieve a flat, even surface ready for skimming. Its open working time supports larger areas and more complex projects, while its lightweight, high‑coverage formula ensures efficient application with minimal waste. Whether used in renovation, repair, or new‑build environments, Thistle Bonding Coat offers dependable performance and a robust foundation for a flawless final finish.
