40mm Unilin Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 7)
40mm Unilin Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 7)
- Product Code: A1-6864
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200mm - 20.16m2
Our ratings on 17-09-2026:

4.8 out of 5
40mm Unilin Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 7)
Length: 2400mm
Width: 1200mm
Thickness: 40mm
Pack Quantity: 7
Board Coverage: 2.88m2
Pack Coverage: 20.16m2
Thermal Conductivity: 0.021W/mK
R-Value: 1.9m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): D(Class 3)
40mm Unilin Safe-R SR/UF Phenolic foam is a superior performance rigid underfloor insulation with enhanced fire performance, consisting of an Euroclass D s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/UF 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,
- 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

- EN ISO 9001 - Quality Management Systems
- EN ISO 14001 - Environmental Management Systems
- ISO 45001 - Occupational Health & Safety Management System
- BBA approved
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
100mm Unilin Safe-R SR/FB Phenolic foam is a superior performance rigid insulation framing board with enhanced fire performance, consisting of an Euroclass B-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR is faced with low emissivity aluminium facings both sides, and h..
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.16m2
Delivery Time: 1-3 working days
100mm Unilin XtroLiner XO/CW board has a tongue and groove core of modified polyisocyanurate (PIR) bonded to low emissivity aluminium foil facings offering excellent insulation performance with thermal conductivity. Unilin XtroLiner XO/CW board reduces the junctions prone to thermal bridging im..
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200 - 17.28m2
Delivery Time: 2 - 3 working days
62.5mm Unilin Safe-R SR/TB is a composite insulated panel of of 50mm Unilin Phenolic core with a glass tissue facing, bonded to a 12.5mm tapered edge plasterboard for internal applications. Unilin Safe-R SR/TB composite insulation board is fixed with dot & dab adhesive bonding. It is designed to..
Guide Price: £484.14
£580.97 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
99.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 90mm Unilin PIR core with foil faces bonded to 9.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one opera..
Guide Price: £62.15
£74.58 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
90mm Unilin Thin-r XT/TF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings for use in timber framed walls. Unilin XT/TF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/TF is CFC & HCFC free and is manuf..
Guide Price: £38.73
£46.48 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200x2400mm - 5.76m2
Delivery Time: 1-3 working days
100mm Unilin ECO360 MA Floor PIR Insulation board has a bio-enhanced, halogen free core of modified polyisocyanurate (PIR) floor insulation bonded to textured low emissivity foil facings. Unilin ECO360 MA board offers excellent insulation performance with excellent thermal conductivit..









