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.