Cornerstone

Cornerstone SuperTherm

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Cornerstone SuperTherm is a dry ready mixed lime plaster designed as an ultra-lightweight and low density fibred basecoat for internal applications within a minimum of a two-coat plaster application. Available in the colour white.

Engineered with precision to provide a revolutionary internal lime plaster with an unmatched insulating performance. Utilising an innovative foamed aggregate with a nanometre pore structure that prevents the directional flow of heat that results in heat loss through the building envelope. Available as standard with fibres and a high-purity Calcium Hydroxide with pozzolan.

Well-suited for projects requiring an ultra-lightweight plaster with exceptional insulating properties, with a measured K Value of 0.4, a 50mm application will improve the U value of a solid wall by more than 75%.

– Our most insulating lime plaster
– Designed to improve insulation and reduce heating costs
– Highly vapour permeable to support moisture management
– Reduces relative humidity and condensation
– Improves indoor air quality and thermal comfort
– Free from halogens, VOCs, and toxic heavy metals
– Highly vapour permeable to support moisture management
– Can be applied at 50mm per pass as a high-build render
– Ultra-lightweight for less demanding levelling and finishing
– A viable solution for Part L1 legislation

Suitable for internal use, where the binder strength is appropriate for the host background or surface.

Relevant for applications including internal superfine finishing coats, within an appropriate render system. Appropriate for various project types, including conservation, renovation, or sustainable construction.

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