50mm Unilin Safe-R SR/FB Phenolic Insulation Framing Board (pack of 6)
50mm Unilin Safe-R SR/FB Phenolic Insulation Framing Board (pack of 6)
- Product Code: A1-4977
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model and Size: 2400x1200mm - 17.28m2
Our ratings on 20-11-2025:
4.8 out of 5
50mm Unilin Safe-R SR/FB Phenolic Insulation Framing Board (pack of 6)
Length: 2400mm
Width: 1200mm
Thickness: 50mm
Pack Quantity: 6
Board Coverage: 2.88m2
Pack Coverage: 17.28m2
Thermal Conductivity: 0.021W/mK
R-Value: 2.35m2K/W
Compressive Strength: 100kPa
Fire Rating (Reaction to Fire): B(Class 0)
50mm 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 has a thermal conductivity as low as 0.02W/mK. Unilin Safe-R Framing Board SR/FB is designed for use with steel or timber frame applications up to 11m in height.
Note_ This product was formerly known as 50mm Xtratherm Safe-R SR/FB Phenolic Insulation Framing Board
APPLICATION
- Designed for use with steel or timber frame applications up to 11m in height
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 - Euroclass B-s1, d0,
- 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

Brand: Unilin (prev. Xtratherm)
Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 2 - 3 working days
66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board (60mm Phenolic + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/STP phenolic core is ..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 1200mm - 11.52m2
Delivery Time: 3 - 5 days
60mm Unilin FR/MG is a high performance PIR core with mineral coated glass facers suitable for use below single ply waterproofing systems and partially bonded built-up felt. It is compatible with adhesively bonded single ply roofing membranes laid on mechanically fixed ..
Guide Price: £166.29
£199.55 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400x1200mm - 5.76m2
Delivery Time: 1-3 working days
140mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board is a flat roof insulation with enhanced vapour resistant performance. Unilin Thin-R FR/ALU board is faced with low emissivity aluminium facings both sides. Rot proof and will remain effective for the life span of the building. Unilin Thin-R F..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
27.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 15mm Unilin PIR core with foil faces bonded to 12.5mm 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 oper..
Guide Price: £36.50
£43.80 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400x1200mm - 8.64m2
Delivery Time: 2 - 3 working days
120mm 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 and Size: 1250x600mm - 5.25m2
Delivery Time: 2 - 3 working days
60mm Unilin XPS 300 is an extremely durable heavy duty thermal insulation board made of extruded polystyrene offering exceptional thermal performance and versatility. It is a lightweight board that is able to withstand extreme loads. It has a rebated edge.CHARACTERISTICSExtremely strong,Compressive ..