75mm Xtratherm Safe-R SR/CW Phenolic Partial Fill Cavity Insulation Board (pack of 4)

75mm Xtratherm Safe-R SR/CW Phenolic Partial Fill Cavity Insulation Board (pack of 4)
- Product Code: A1-4579
- Delivery Time: 2 - 3 working days
- Brand: Xtratherm (Tech. support: 03712221055)
- Model and Size: 1200x450mm - 2.16m2
- Weight: 7.30kg
Our ratings on 09-10-2025:

4.8 out of 5
75mm Xtratherm Safe-R SR/CW Phenolic Partial Fill Cavity Insulation Board (pack of 4)
Width: 450mm
Length: 1200mm
Pack Coverage: 2.16m2
Pack Quantity: 4
Density: 45kg/m3
Weight/m2: 3.38kg
Weight: 7.3kg
Thermal Conductivity: 0.020W/mK
R-Value: 3.75m2K/W
Compressive Strength: 125kPa
Fire Rating (Reaction to Fire): D(Class 3)
75mm Xtratherm Safe-R SR/CW Phenolic foam board is a superior performance rigid partial fill cavity insulation board with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R SR/CW is faced with low emissivity aluminium facings both sides, and has a thermal conductivity as low as 0.02W/mK.
APPLICATION
- Designed for use for partial fill cavity insulation

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 - 25.92m2
Delivery Time: 3 - 5 days
25mm 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 mechanical..
Guide Price: £274.98
£329.98 inc VAT
Brand: Xtratherm
Model and Size: 1200mm x 1200mm - 4.32m2
Delivery Time: 3 - 5 days
Xtratherm FR-MG 130mm 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: £116.21
£139.45 inc VAT
Brand: Xtratherm
Model and Size: Thin-R - 2400 x 1200 - 2.88m2
Delivery Time: 1-3 working days
65mm Xtratherm Thin-r is a foil faced Polyisocyanurate (PIR) insulation board formed by a blowing process which generates rigid foam composed of fine cells filled with Pentane blowing agent trapped within the foam. Pentane has very good insulating properties and gives Thin-r superb insulating capabi..
Guide Price: £37.48
£44.98 inc VAT
Brand: Xtratherm
Model and Size: 1200x450mm - 3.24m2
Delivery Time: 2 - 3 working days
50mm Xtratherm Safe-R SR/CW Phenolic foam board is a superior performance rigid partial fill cavity insulation board with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R SR/CW is faced with low emissivity aluminium facings both sides, a..
Brand: Xtratherm
Model and Size: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
100mm Xtratherm Safe-R SR/ST Phenolic foam is a superior performance rigid insulation soffit board with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R SR/ST is faced with low emissivity aluminium facings both sides, and has a thermal c..
Brand: Xtratherm
Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
109.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF, this innovative composite insulated panel combines a 100mm 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, X..
Guide Price: £61.82
£74.18 inc VAT