100mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 4)
100mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 4)
- Product Code: A1-4511
- Delivery Time: 2 - 3 working days
- Brand: Xtratherm (Tech. support: 03712221055)
- Model and Size: 2400x1200mm - 11.52m2
- Weight: 51.84kg
Our ratings on 24-10-2025:
4.8 out of 5
100mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 4)
Width: 1200mm
Length: 2400mm
Pack Coverage: 11.52m2
Pack Quantity: 4
Density: 45kg/m3
Weight/m2: 4.5kg
Weight: 51.84kg
Thermal Conductivity: 0.020W/mK
R-Value: 4.76m2K/W
Compressive Strength: 125kPa
Fire Rating (Reaction to Fire): B(Class 0)
100mm Xtratherm Safe-R SR/UF Phenolic foam is a superior performance rigid underfloor insulation with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R SR is faced with low emissivity aluminium facings both sides, and has a thermal conductivity as low as 0.02W/mK.
APPLICATION
- Underfloor

CHARACTERISTICS
- Superior performance phenolic foam,
- Provides the most efficient U-values with minimal thickness,
- Effective thermal and fire performance,
- Low smoke obscuration,
- Low risk fire rating - Class 0,
- For new build or refurbishment,
- Rot proof and will remain effective for the life span of the building,
- Can be readily cut using a sharp knife or fine toothed saw
CERTIFICATION
- Manufactured under a quality system approved to EN ISO 9001:2000 (Quality Management Systems)
- Manufactured under an environmental system approved to EN ISO 14001:2004 (Environmental Management Systems)
- Is manufactured without the use of CFC's or HCFC's and has Zero Ozone Depletion Potential
- BBA approved
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