Jointed Cavity (Full-Fill) Insulation Board 90 x 1200 x 450mm

1200 × 450 × 90mm insulation board with tongue & groove edges for a secure, windtight fit. Offers strong thermal performance (U-values down to 0.18 in 100mm cavities) and features an alkali-resistant facing. Certified to ISO 9001, ISO 14001, CE marked, BBA approved, and tested to Class 1 (BS 476 Part 7) and Euroclass F fire standards. Ideal for reducing heat loss and improving cavity wall efficiency.

SKU: INS-CAV-90-120X450 Category: Tags: , , ,

Insulation Board – 1200 × 450 × 90mm (Tongue & Groove)
This high-performance insulation board features precision-cut tongue and groove joints on all four sides, allowing each panel to interlock securely. This tight fit helps minimise heat loss, improves windtightness, and provides added protection against wind-driven rain.

Key Specifications:
Board Size: 1200 × 450 × 90 mm
Joint Type: Tongue & Groove on all edges
Thermal Performance: Capable of achieving U-values as low as 0.18 in 100mm cavities
Fire Classification:
  – Class 1 (BS 476 Part 7)
  – Euroclass F (BS EN 13501-1)
Facing: Alkali-resistant surface for increased durability
Certifications: CE marked, BBA certified, produced to ISO 9001 & ISO 14001 standards

Why Choose This Product:
• Interlocking design reduces thermal bridging and unwanted air movement
• Suitable for cavity walls and external applications requiring windtight detailing
• Strong fire-resistance classification for added safety
• Robust facing improves longevity and performance

Dimensions 1200 × 450 × 90 cm

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