25mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 12)

25mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 12)
- Product Code: A1-4499
- Delivery Time: 2 - 3 working days
- Brand: Xtratherm (Tech. support: 03712221055)
- Model and Size: 2400x1200mm - 34.56m2
- Weight: 38.88kg
Our ratings on 08-08-2025:

4.8 out of 5
25mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 12)
Width: 1200mm
Length: 2400mm
Pack Coverage: 34.56m2
Pack Quantity: 12
Density: 45kg/m3
Weight/m2: 1.13kg
Weight: 38.88kg
Thermal Conductivity: 0.020W/mK
R-Value: 1.19m2K/W
Compressive Strength: 125kPa
Fire Rating (Reaction to Fire): B(Class 0)
25mm 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
Brand: Xtratherm
Model and Size: 1200mm x 1200mm - 4.32m2
Delivery Time: 1 - 2 days
Xtratherm FR-MG 150mm 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 de..
Guide Price: £131.29
£157.55 inc VAT
Brand: Xtratherm
Model and Size: 2400x1200mm - 34.56m2
Delivery Time: 2 - 3 working days
25mm 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 conduct..
Brand: Xtratherm
Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
34.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF, this innovative composite insulated panel combines a 25mm Xtratherm Polyiso (PIR) core with foil faces, bonded to 9.5mm tapered edge plasterboard for secure mechanical fixing to internal walls. Ideal for use in new build and refurbishment projects, XT/..
Guide Price: £35.95
£43.14 inc VAT
Brand: Xtratherm
Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
99.5mm 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: £66.91
£80.29 inc VAT
Brand: Xtratherm
Model and Size: CT/PIR 1200x450 - 2.16m2
Delivery Time: 1-3 working days
100mm Xtratherm CavityTherm wall insulation board is a high performance composite board of enhanced PIR core with a lambda value of 0.021W/mK. The boards have gas tight facings with one face bonded to a profiled HIPS skin during manufacture to provide a drainage plane. CavityTherms unique engin..
Guide Price: £97.76
£117.31 inc VAT
Brand: Xtratherm
Model and Size: 1200x2400 (2.88m2)
Delivery Time: 1-3 working days
29.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF, this innovative composite insulated panel combines a 20mm Xtratherm Polyiso (PIR) core with foil faces, bonded to 9.5mm tapered edge plasterboard for secure mechanical fixing to internal walls. Ideal for use in new build and refurbishment projects, XT/..
Guide Price: £37.05
£44.46 inc VAT