This 25kg bag of Thistle Hardwall is a gypsum-based undercoat plaster designed for use on masonry backgrounds as part of a two-coat plastering system. It can be applied either by hand or using a spray machine, making it suitable for a range of projects from domestic refurbishments to large commercial developments.
On site, this undercoat plaster is typically used to create a level, strong base for finishing plasters on brick, blockwork, or concrete walls. Its formulation supports efficient application and finishing, helping plasterers achieve a stable, even surface ready for subsequent plaster coats.
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