Believe It 5 Boards X 115mm Celotex Thermaclass Cavity Wall 21 Insulation - 1190mm X 450mm Flash Sale: 30% Off [leDtBpU1]

High-Performance Insulation Solution

The Celotex Thermaclass Cavity Wall 21 Insulation is a premium rigid polyisocyanurate (PIR) solution designed for masonry full fill cavity wall applications. This innovative product offers exceptional thermal performance, with a lambda value of 0.021 W/m.K, making it an ideal choice for achieving lower U-values without increasing the overall wall thickness. The Thermaclass Cavity Wall 21 is perfect for enhancing the energy efficiency of your construction projects.

Key Features and Specifications

With a thickness of 115mm, the Celotex Thermaclass Cavity Wall 21 provides superior insulation properties. Each board measures 1190mm in length and 450mm in width, offering a coverage of 2.68 m² per board. This pack includes 5 boards, ensuring you have enough material for most applications. The low-emissivity foil facing is designed for wall constructions with a 10mm residual cavity, maximizing thermal performance in sealed cavity air spaces.

Benefits and Applications

The Thermaclass Cavity Wall 21 has been assessed by the British Board of Agreement (BBA) and is deemed fit for use in defined full fill cavity wall applications. Its tongue and groove edge profile ensures easy installation, while the low thermal conductivity of 0.021 W/mK contributes to energy savings and improved comfort. This product is not only cost-effective but also environmentally friendly, as it helps reduce carbon emissions. Whether you're building a new home or renovating an existing one, the Celotex Thermaclass Cavity Wall 21 Insulation is a reliable choice for superior thermal performance and energy efficiency.