56mm Ravatherm SW A2 Upstand Board

The 56 mm Ravatherm SW A2 Upstand combines Ravago stone wool insulation with a 6 mm fibre cement layer, designed for vertical use as an upstand board in inverted roof systems. It complies with the latest Approved Document B of the Building Regulations, requiring non-combustible materials for attachments to external walls on buildings over 11 m in height. Tested to EN 13501‑1, the board achieves a 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. 6 mm 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

Produced using an advanced extrusion process, 56mm Ravatherm SW A2 boards feature a closed-cell structure and smooth extrusion skin for high strength and durability. Available in a range of thicknesses and compressive strengths, including innovative low-GWP CO₂ and HFO blowing agent technology.

Upgrade your building’s energy efficiency with 56mm Ravatherm SW A2 , the trusted choice for UK flat roof insulation projects.

Info

Have a browse of our Ravatherm Extruded Polystyrene Insulation products. We supply to the entire UK Mainland. If you’d like to talk through the suitability of some products for your project, or get a quantity discount quotation please call us by phone on 02039519012 / 02038839057, email sales@insulationstoreonline.co.uk or Live Chat - Lowest UK Insulation Prices near me.