The Thistle Hardwall Plaster 25kg Bag is a premium bonding plaster, designed for use on masonry surfaces such as brick, block, and stone. It creates a strong, durable base for finishing plasters and ensures a smooth, solid wall surface. Ideal for new build and renovation projects, this hardwall plaster offers excellent adhesion, providing a long-lasting foundation for decorating with paint or wallpaper. Suitable for use on a wide range of masonry backgrounds, such as aircrete blocks, medium density blocks and bricks, Thistle HardWall Plaster is a quick-drying undercoat plaster. It can be hand or spray applied and is ideal for use in a two-coat plaster system. Gyproc Thistle HardWall Plaster is the perfect gypsum undercoat plaster for two-coat systems. It can be applied easily by hand or with a spray machine for added speed. Suitable for medium to high suction backgrounds like bricks and aircrete blocks, Hardwall provides a smooth, inert finish with a final Thistle MultiFinish, ThistlePro PureFinish, ThistlePro DuraFinish, or ThistlePro Magnetic plaster coat. Hand application or plaster projection machines can be used.