70mm Kingspan Thermawall TW50 Cavity Insulation

Enhance your building's thermal performance with 70mm Kingspan Thermawall TW50 Cavity Wall Board, supplied in 450mm x 1200mm dimensions. This cavity insulation product delivers outstanding thermal efficiency for partially filled cavity walls, combining performance with reliability.

Featuring a thermal conductivity rating of 0.022 W/mK, Thermawall TW50 maximises heat retention whilst maintaining compressive strength exceeding 125 kPa at 10% compression for long-term structural integrity. The Euroclass F fire rating provides additional safety assurance for your construction project.

This insulation board meets rigorous industry standards, including BS 4841–1 and BS EN ISO 9001:2015/I.S. EN ISO 9001:2015, ensuring consistent quality and performance.

Key Benefits

• Thickness: 70mm
• Width: 450mm
• Length: 1200mm
• Pack Quantity: 6
• Board Coverage: 0.54m2
• Pack Coverage: 3.24m2
• Weight/m2: 2.24kg
• Weight: 8.48kg
• Thermal Conductivity: 0.022W/mK
• R-Value: 3.15m2K/W
• Compressive Strength: Exceeds 140 kPa at 10% compression.
• Density: 32kg/m3
• Fire Rating (Reaction to Fire): F

Key Features:

• ✔ Exceptional Thermal Performance – 0.022 W/mK thermal conductivity ensures maximum efficiency in cavity walls.
• ✔ High Compressive Strength – Exceeds 125 kPa at 10% compression, providing robust stability.
• ✔ Fire Safety Assurance – Rated Euroclass F, contributing to enhanced building safety.
• ✔ Durable & Resilient – Resistant to solvents, fungi, and rodents for long-lasting performance.
• ✔ Easy Installation – Lightweight and simple to handle for quick and efficient fitting.
• ✔ Air Movement Resistance – Maintains effectiveness by minimizing airflow impact.
• ✔ Long Lifespan – Designed for infinite life when correctly installed.
• ✔ Certified & Trusted – Complies with BS 4841–1 and BS EN ISO 9001:2015/I.S. EN ISO 9001:2015 quality standards.

Choose Kingspan Thermawall TW50 for dependable, efficient, and certified cavity wall insulation.

Thickness / Boards Per Pack / Coverage Per Pack

1. 40mm / 12 / 6.48m2
2. 50mm / 10 / 5.4m2
3. 60mm / 8 / 4.32m2
4. 70mm / 6 / 3.24m2
5. 75mm / 6 / 3.24m2
6. 80mm / 6 / 3.24m2
7. 100mm / 5 / 2.7m2

Info

Browse our full range of PIR insulation products. We serve the entire UK mainland. For product suitability advice or bulk quotations, contact us on +4402038839057, email sales@insulationbee, or use our Live Chat service.