Warmline PIR Insulated Decking Board 116mm

The Warmline 116mm insulated roof decking board combines PIR insulation with bonded plywood facing to deliver a complete solution for flat roof construction. This high-performance board integrates thermal insulation and structural decking, enabling faster installation and improved energy efficiency across modern warm flat roof systems.

Built with a 110mm fibre-free PIR core and a robust 6mm plywood layer, this product delivers outstanding strength, dimensional stability and sustained thermal performance. Purpose-engineered for flat roofing applications, it helps achieve compliance with UK Part L building regulations whilst reducing overall project timescales.

The Warmline insulated decking range suits both new construction and renovation work, streamlining the installation process by combining insulation and decking in a single step. This approach minimises labour requirements and accelerates project completion.

Key Features

1. 110mm PIR insulation core with integrated decking layer
2. 6mm plywood bonded facing for structural integrity
3. Board dimensions: 2400mm x 1200mm x 116mm
4. Coverage: 2.88m² per board
5. R Value: 5.05 m2K/W
6. U Value: 0.21 W/m2K
7. Weight per board with 6mm plywood: 22kg
8. High-performance insulated roof decking for flat roofs
9. Complies with Part L Building Regulations (UK)

Applications

• The Warmline PIR insulated decking board works with various flat roof waterproofing systems:
• Mechanically fixed single-ply membranes
• Fully adhered single-ply systems
• EPDM rubber roofing systems
• GRP (fibreglass) roofing systems
• Torch-on felt roofing systems
• Other single-ply membrane applications

Why Choose Warmline Insulated Roof Decking?

• Single board combines insulation and structural decking
• Accelerates installation and reduces on-site labour
• Delivers superior thermal performance for warm flat roofs
• Durable plywood-faced PIR construction
• Compatible with multiple flat roofing membrane types
• Suitable for UK residential and commercial roofing applications

Info

Explore our full range of Warmline insulation products. We deliver across the UK mainland. For product suitability advice, quantity discounts or technical guidance, contact us on 02038839057 / 02038839057, email sales@insulationbee.co.uk or use our Live Chat service.