Menu
Menu
Your Cart

50mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 6)

50mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 6)
50mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 6)
  • Product Code: A1-4501
  • Delivery Time: 2 - 3 working days
  • Brand: Xtratherm
  • (Tech. support: 03712221055)
  • Model and Size: 2400x1200mm - 17.28m2
  • Weight: 38.88kg
Our ratings on 29-08-2025:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

50mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 6)

Width: 1200mm
Length: 2400mm
Pack Coverage: 17.28m2
Pack Quantity: 6
Density: 45kg/m3
Weight/m2: 2.5kg
Weight: 38.88kg
Thermal Conductivity: 0.020W/mK
R-Value: 2.38m2K/W
Compressive Strength: 125kPa
Fire Rating (Reaction to Fire): B(Class 0)

50mm 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
    69.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (60mm PIR Insulation bonded to 9.5mm Plasterboard)
    Guide Price
    Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
    Delivery Time: 1-3 working days
    69.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 25mm Xtratherm PIR core faced with composite kraft paper bonded to 9.5mm tapered edge plasterboard, specially designed for internal walls dry lining and insulation, due to i..
    Guide Price: £53.96
    £64.75 inc VAT
    Get Best Price
    130mm Flat Roof PIR Insulation Board Xtratherm FR-BGM (pack of 3)
    Guide Price
    Brand: Xtratherm Model and Size: 1200mm x 1200mm - 4.32m2
    Delivery Time: 1-3 working days
    130mm Xtratherm FR-BGM is a PIR insulation board that is faced with a fleece finished bitumen/glass facers and is suitable for use below partially bonded bitumen based built up roofing systems. FR-BGM is suitable to apply torch on felt directly on the insulation. FR-BGM can also be used in mech..
    Guide Price: £125.63
    £150.76 inc VAT
    Get Best Price
    Brand: Xtratherm Model and Size: 1200x2400mm - 11.52m2
    Delivery Time: 1-3 working days
    100mm Xtratherm Thin-R Hyfloor XT/HYF is a high performance floor Insulation board with superior thickness to performance ratio allowing the lower targets required under the new Building Regulations to be achieved with minimum thicknesses. Xtratherm Thin-R Hyfloor XT/HYF is a high performance foil f..
    Get Best Price
    60mm Xtratherm Flat Roof Board FR-MG (pack of 8)
    Guide Price
    Brand: Xtratherm Model and Size: 1200mm x 1200mm - 11.52m2
    Delivery Time: 3 - 5 days
    Xtratherm FR-MG 60mm is a mineral coated glass faced board. Xtratherm XT/FR MG boards should be laid over the vapour control layer in a break bonded pattern. The long edges of the boards should be laid at right angles to the direction of the substrate and all edges must be fully supported by the dec..
    Guide Price: £166.29
    £199.55 inc VAT
    Get Best Price
    25mm Xtratherm Safe-R SR/PR Phenolic Insulation Board (pack of 12)
    Guide Price
    Brand: Xtratherm Model and Size: 2400x1200 - 34.56m2
    Delivery Time: 2 - 3 working days
    25mm Xtratherm Safe-R is an exceptional rigid insulation solution with enhanced fire performance. It features a Class O phenolic foam core that emits negligible smoke obscuration. The insulation is clad with low emissivity aluminium facings on both sides, achieving a remarkable thermal conductivity ..
    Guide Price: £458.85
    £550.62 inc VAT
    Get Best Price
    92.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF - Mech Fix (80mm PIR Insulation bonded to 12.5mm Plasterboard)
    Guide Price
    Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
    Delivery Time: 1-3 working days
    92.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 80mm Xtratherm Polyiso (PIR) core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in..
    Guide Price: £57.62
    £69.14 inc VAT
    Get Best Price
    This product is listed in the following categories and systems (click to show).