Ravatherm XPS 300 SL 115mm Board

115mm Ravatherm XPS 300 SL is a premium extruded polystyrene (XPS) thermal insulation board engineered for inverted flat roofs throughout the UK, encompassing green roofs, brown roofs, and blue roof systems. This board delivers outstanding thermal performance, featuring 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 exceeding 120 mm.

Engineered with environmental responsibility as a priority, 115mm Ravatherm XPS 300 SL boasts a Global Warming Potential (GWP) of less than five, positioning it as an ideal solution for sustainable and energy-efficient construction projects across the UK.

The 115mm XPS insulation boards come in thicknesses ranging from 50 mm to 200 mm, providing flexibility for diverse commercial and residential flat roofing applications, whether for new construction or renovation work.

Key Benefits

• Brand: Ravago
• Model: 115mm Ravatherm 300SL
• Thickness: 115mm
• Board Length: 1250mm
• Board Width: 600mm
• Pack Quantity: 3
• Board Coverage: 0.75m2
• Pack Coverage: 2.25m2
• Thermal Conductivity: 0.030W/mK
• R-Value: 3.70m2K/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)

Ravatherm 115mm XPS 300 SL Board is extensively utilised across the UK for roofing, flooring and wall applications. Manufactured and dispatched from King's Lynn, Norfolk, Ravatherm brings over 65 years of proven XPS insulation experience to the market.

Built using sophisticated extrusion technology, Ravatherm 115mm XPS boards incorporate a closed-cell structure and smooth extrusion skin to ensure exceptional strength and longevity. Supplied in various thicknesses and compressive strengths, these boards utilise cutting-edge low-GWP CO₂ and HFO blowing agent technology.

Enhance your building's thermal performance with 115mm XPS 300 SL, the preferred solution for UK flat roof insulation schemes.

Info

Browse our full range of Ravatherm Extruded Polystyrene Insulation products. We deliver across the entire UK Mainland. For guidance on product suitability for your specific 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.