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)
- Model and Size: 2400x1200mm - 20.16m2
- Weight: 25.80kg
Our ratings on 29-08-2025:

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 and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
65mm Unilin Thin-r XT/PR-UF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XT/PR-UF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/PR-UF is CFC & HCFC free and is manufactured under the high..
Guide Price: £34.07
£40.88 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
82.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 25mm 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: £52.48
£62.98 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 1200mm - 25.92m2
Delivery Time: 3 - 5 days
25mm 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: £219.09
£262.91 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
87.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 75mm 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: £53.08
£63.70 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400x1200mm - 11.52m2
Delivery Time: 1-3 working days
80mm 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..
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400x1200mm - 11.52m2
Delivery Time: 1-3 working days
75mm 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..