Insulation Board – 1200 × 450 × 115mm (Tongue & Groove)
This premium full-fill insulation board features precision-engineered tongue and groove joints on all four sides, allowing each panel to lock tightly together. The secure interlock minimises heat loss, enhances windtightness, and offers added protection against wind-driven rain—ideal for high-performance cavity wall insulation.
Key Specifications:
• Board Size: 1200 × 450 × 115 mm
• Joint Type: Tongue & Groove on all edges
• Thermal Performance: Helps achieve U-values around 0.18 in suitable cavity systems
• Fire Classification:
– Class 1 (BS 476 Part 7)
– Euroclass F (BS EN 13501-1)
• Facing: Alkali-resistant surface for improved durability
• Certifications: CE marked, BBA certified, manufactured to ISO 9001 & ISO 14001 standards
Why Choose This Product:
• Tight-fitting joints reduce thermal bridging and improve overall energy efficiency
• Designed for full-fill cavity applications requiring reliable wind and moisture resistance
• Strong fire-performance ratings for added safety
• Durable facing ensures long-lasting insulation performance












