190mm Ravatherm XPS X 300 SL Board

190mm Ravatherm XPS X 300 SL is a high-performance extruded polystyrene (XPS) thermal insulation board designed for use on inverted flat roofs in the UK, including green roofs, brown roofs, and blue roof systems. It delivers excellent thermal efficiency, with a declared thermal conductivity of 0.030 W/m·K for thicknesses up to and including 120 mm, and 0.031 W/m·K for thicknesses above 120 mm.

Manufactured with sustainability in mind, 190mm Ravatherm XPS 300 SL has a Global Warming Potential (GWP) of less than five, making it a suitable choice for energy-efficient and environmentally responsible building projects across the United Kingdom.

The 190mm XPS insulation boards are available in thicknesses from 50 mm to 200 mm, making them suitable for a wide range of commercial and residential flat roofing applications, including new builds and refurbishments.

Key Benefits

• Brand: Ravago
• Model: 190mm Ravatherm 300SL
• Thickness: 190mm
• Board Length: 1250mm
• Board Width: 600mm
• Pack Quantity: 2
• Board Coverage: 0.75m2
• Pack Coverage: 1.50m2
• Thermal Conductivity: 0.031W/mK
• R-Value: 6.10m2K/W
• Compressive strength@ 10% deformation: 300kPa
• Compressive Creep max after 50 years < 2% deformation under stress σC: 130kPa
• Fire Rating (Reaction to Fire): E
• Water vapour diffusion resistance factor μ (tabulated value): 100
• Temperature limits: -50/+75
• Edge Profile: Ship lap
• Surface finish: Skin

Application

• Inverted Roofs
• Green Roofs
• Roof Terraces
• Car Park Decks

Key Benefits

1. High-performance thermal insulation for flat roofs
2. Suitable for green, brown, and blue roof systems
3. Low GWP for sustainable construction
4. Complies with UK energy efficiency standards
5. Wide range of thicknesses (50–200 mm)

190mm Ravatherm 300 SL XPS Board is widely used across the UK for roofing, flooring and wall applications. Manufactured and dispatched from King’s Lynn, Norfolk, Ravatherm has over 65 years of UK XPS insulation expertise.

Produced using an advanced extrusion process, Ravatherm 190mm XPS X 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 190mm XPS X 300 SL, 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.