Enhance your building's thermal performance with the Kingspan Thermawall TW50 40mm PIR cavity insulation board, sized at 450mm x 1200mm. This premium cavity wall insulation product delivers outstanding thermal efficiency for partially filled cavity walls with proven reliability.
Featuring a thermal conductivity rating of 0.022 W/mK, this board maximises heat retention effectively. Its compressive strength exceeds 140 kPa at 10% compression, ensuring structural integrity throughout its service life. The Euroclass F fire rating provides additional safety protection for your property.
Manufactured to rigorous standards, this insulation board meets BS 4841–1 and BS EN ISO 9001:2015/I.S. EN ISO 9001:2015 certification requirements, guaranteeing consistent quality and performance.
Key Features:
For reliable, long-lasting cavity wall insulation with superior thermal properties, Kingspan Thermawall TW50 delivers professional-grade performance.
Thickness / Boards Per Pack / Coverage Per Pack
Browse our full range of PIR insulation products. We deliver across the UK Mainland. For project-specific advice or bulk quotations, contact us on +4402038839057, email sales@insulationbee, or use Live Chat for competitive Kingspan insulation pricing.








