40mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 7)
40mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 7)
- Product Code: A1-4948
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200mm - 20.16m2
- Weight: 25.80kg
Our ratings on 12-06-2026:
4.8 out of 5
40mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 7)
Length: 2400mm
Width: 1200mm
Thickness: 40mm
Pack Quantity: 7
Board Coverage: 2.88m2
Pack Coverage: 20.16m2
Density: 32kg/m3
Weight/m2: 1.28kg
Weight: 25.8kg
Thermal Conductivity: 0.022W/mK
R-Value: 1.8m2K/W
Compressive Strength: 150kPa
Fire Rating (Reaction to Fire): E
40mm 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 FR/ALU high thermal performance boards are compatible with mechanically fixed single ply systems and loose laid ballasted systems. This board i not suitable for applications with built-up bitumen based roofing or mastic asphalt systems.
Note: This board was formerly known as 40mm Xtratherm Thin-R FR/ALU Flat Roof PIR Insulation Board
APPLICATION
- Flat roofs
CHARACTERISTICS
- Superior performance PIR foam core,
- Can be readily cut using a sharp knife or fine toothed saw,
- Vapour-tight aluminium facings on both sides,
- Effective thermal performance,
- Limits the risk of condensation,
- For new build or refurbishment,
- Will have life as long as the roof waterproof covering,
- Rot proof and will remain effective for the life span of the building.
CERTIFICATION

Brand: Unilin (prev. Xtratherm)
Model: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
80mm 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..
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200 - 20.16m2
Delivery Time: 2 - 3 working days
52.5mm Unilin Safe-R SR/TB-MF is a composite insulated panel of 40mm Phenolic core with a composite foil facing bonded to a 12.5mm tapered edge plasterboard for internal applications, mechanically fixed. Unilin Safe-R SR/TB-MF is designed to provide high levels of thermal insulation and dry lining i..
Guide Price: £520.50
£624.60 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 14.40m2
Delivery Time: 3 - 5 days
50mm Unilin FR-BGM is a a BBA certified high performance 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. Unilin FR-BGM is suitable to apply torch on felt directly on the insulation. ..
Guide Price: £255.58
£306.70 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
99.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 90mm Unilin PIR core faced with composite kraft paper bonded to 9.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell comp..
Guide Price: £66.91
£80.29 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1250x600mm - 3m2
Delivery Time: 2 - 3 working days
100mm Unilin XPS 500 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..
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 7 - 10 days
112.5mm Unilin Safe-R 019/TB-MF Phenolic Composite Insulated Panel is a composite insulated panel designed to provide high thermal performance and drylining in a single operation. It combines a rigid phenolic insulation core with a composite foil facing, factory‑bonded to 12.5 mm tapered‑edge plaste..