Bonding Coat Plaster – Thistle – Interior Wall Preparation

Product Overview

The High-Performance Thistle Bonding Coat Plaster is a versatile undercoat plaster designed for smooth or low suction backgrounds like dense blockwork, concrete, tiling, and plasterboard. This pre-mixed gypsum plaster, combined with exfoliated vermiculite aggregate, requires only clean water to prepare, making it quick and easy to use on-site.

Its fine, lightweight mix ensures excellent workability and reliable performance when spreading, ruling, or darbying. The resulting undercoat is durable and provides a strong, hard-wearing base for finishing plasters, ready for decoration.

Features & Benefits

• Durable Base: Offers a strong, hard-wearing undercoat for decorative finishes.
• Low Suction Backgrounds: Suitable for use on plasterboard, dense blocks, concrete, and tiled surfaces.
• Versatile Undercoat: Ideal for new-build and refurbishment projects.
• Direct to Plasterboard: Apply where dubbing out is needed.
• Fine Mix Formulation: Ensures smooth application and consistent results.
• Easy Preparation: Simply add clean water before use.
• System Compatibility: Compatible with finishing plasters for a perfect finish.

Applications

• Undercoat Plaster: Provides a reliable base for skimming with finishing plasters.
• Smooth or Low Suction Backgrounds: Suitable for dense blockwork, concrete, plasterboard, and more.
• Wall and Ceiling Renewal: Levels and restores old surfaces in refurbishment projects.
• Plasterboard Dubbing Out: Levels irregular surfaces before finishing.

Installation Guidance

• Background Preparation: Ensure substrates are sound, clean, and pre-treated where required.
• Mixing: Add clean water to the pre-mixed plaster and blend to a smooth consistency.
• Application: Spread evenly, rule to level, and finish with a darby before applying finishing plaster.
• Setting Time: Work within the recommended period to prevent premature stiffening.

FAQ

• Q: Can it be used on painted surfaces?
  A: Yes, but ensure surfaces are pre-treated for best results.
• Q: What is the coverage area per bag?
  A: Coverage depends on the thickness of the application. Please refer to technical guidelines for specifics.
• Q: Is it suitable for outdoor use?
  A: This product is intended for indoor use only.