Ravatherm SW A2 56mm Upstand Board

The 56mm Ravatherm SW A2 Upstand combines Ravago stone wool insulation with a 6mm fibre cement layer, engineered for vertical installation as an upstand board in inverted roof systems. This product meets current Approved Document B requirements of the Building Regulations, which mandate non-combustible materials for external wall attachments on buildings exceeding 11m in height. Tested to EN 13501‑1, it achieves Euroclass A2‑s1, d0 Reaction to Fire classification.

Key Benefits

• Length: 1200mm
• Width: 600mm
• Overall Thickness: 56mm ( 6mm fibre cement flat sheet. Insulation is 50mm mineral wool )
• Pack Quantity: 42
• Board Coverage: 0.72m2
• Pack Coverage: 30.24m2
• Weight/m2: 13.8kg
• Pack Weight: 417.31kg
• Thermal Conductivity: 0.035 W/m.K
• R-Value: 1.43m2K/W
• Density: 110 kg/m3
• Compressive strength @10% deformation: ≥ 20 kPa
• Fire Rating (Reaction to Fire): A1
• Surface finish: 6mm fibre cement flat sheet

Characteristics

1. 50mm Mineral wool Insulation
2. 6mm fibre cement surface layer
3. Euroclass A2 fire-rated
4. Excellent thermal insulation
5. Fully non-combustible
6. Rigid with high dimensional stability
7. Resistant to rot and degradation

Application

• Ideal for upstands in inverted roof systems

Manufactured through advanced extrusion technology, the 56mm Ravatherm SW A2 board delivers a closed-cell structure and smooth extrusion skin for superior strength and long-term durability. The range includes multiple thickness options and compressive strength grades, incorporating innovative low-GWP CO₂ and HFO blowing agent technology.

Enhance your building's thermal performance with the 56mm Ravatherm SW A2 – the dependable solution for UK flat roof insulation applications.

Info

Browse our complete Ravatherm Extruded Polystyrene Insulation range. We deliver across the entire UK Mainland. For product suitability advice on your project or to request a volume discount quotation, contact us on 02038839057 / 02038839057, email sales@insulationbee.co.uk or use Live Chat - Lowest UK Insulation Prices near me.