70mm Unilin XtroDeck XO/XD features embossed aluminium facings on both sides. This product forms a key part of Unilin's range of high-performance flat roof insulation boards, delivering comprehensive solutions for flat roof applications.
The 70mm Unilin XtroDeck XO/XD board incorporates a modified polyisocyanurate (PIR Insulation) core bonded to low-emissivity embossed aluminium foil facings. This combination delivers superior insulation performance and excellent thermal efficiency. The 70mm Unilin XtroDeck XO/XD insulation board works effectively with bituminous-based roofing systems incorporating self-adhered underlays and heat-activated cap sheets. The product is CFC and HCFC-free and manufactured to ISO 9001 and 14001 Quality and Environmental Management System standards.
Thickness: 70mm
Length: 2400mm
Width: 1200mm
Pack Quantity: 4
Board Coverage: 2.88m2
Pack coverage: 11.52m2
Density: 32kg/m3
Weight/m2: 0.8kg
Weight: 25.80kg
Thermal Conductivity: 0.021W/mK
R-Value: 3.30m2K/W
Compressive Strength: 150kPa
Fire Rating (Reaction to Fire): Euroclass C s2 d0
Type: Partially Bonded, Self Adhered, Built-Up Bituminous Felt Systems
Application: Flat Roof
Inner facing: Foil Facing
Outer facing: Foil Facing
Flat roofs must incorporate appropriate falls to prevent water pooling and ensure effective drainage.
70mm XtroDeck is designed for roof decks subject to light maintenance foot traffic only. Permanent walkways should be installed where regular pedestrian access is required. Once the roof installation is complete, protective boarding must be fitted if further site work will take place.
Built-up roofing insulation systems require finishing with an appropriate reflective layer such as stone chippings. Consult the system manufacturer for specific finishing recommendations.
The fire rating achieved by the complete roof system when tested to EN 13501-5 and BS 476 Part 3 'External Fire Exposure Roof Test' will depend on the overall system specification.
Browse our Unilin insulation range and use the left-hand filters to narrow by thickness or coverage. For technical advice on product suitability for your project or to request a volume discount quotation, contact us on +4402038839057, email sales@insulationbee, or use Live Chat - Competitive UK Insulation board Pricing.








