Hardwall is a gypsum undercoat plaster that withstands impact to stop walls being damaged by everyday knocks and scrapes. You can apply it by hand or by spray machine for extra speed and convenience, and the surface dries quickly so that you can start decorating sooner. Thistle HardWall is ideal for most medium to high suction backgrounds, including masonry such as bricks and aircrete blocks. The plaster even helps to keep efflorescence away from the surface so that there's one less thing to worry about

• The surface dries quickly so you can finish the job faster
• Prevents damage to walls
• Limits efflorescence
• Quick to apply by hand or machine
• Ideal for busy areas in homes, schools and hospitals