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Kingspan Thermawall TW50 Cavity Wall Insulation is a high-performance rigid insulation board designed for use in cavity wall applications. Measuring 1200mm x 450mm x 75mm, each pack contains six sheets that deliver superior thermal efficiency and moisture resistance. The insulation boards are lightweight, easy to handle, and quick to install, making them ideal for both new builds and retrofit projects. Manufactured from high-quality materials, Kingspan Thermawall TW50 ensures long-lasting insulation performance while helping to meet building regulations for energy efficiency in residential and commercial properties.