120mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 3)




120mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 3)
- Product Code: A1-4957
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm)
- Model and Size: 2400x1200mm - 8.64m2
- Weight: 33.18kg
Our ratings on 11-09-2025:

4.8 out of 5
120mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 3)
Length: 2400mm
Width: 1200mm
Thickness: 120mm
Pack Quantity: 3
Board Coverage: 2.88m2
Pack Coverage: 8.64m2
Density: 32kg/m3
Weight/m2: 3.84kg
Weight: 33.18kg
Thermal Conductivity: 0.022W/mK
R-Value: 5.45m2K/W
Compressive Strength: 150kPa
Fire Rating (Reaction to Fire): E
120mm 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 120mm 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: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
100mm Unilin XtroLiner XO/PR board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XtroLiner XO/PR board offers excellent insulation performance with excellent thermal conductivity. Unilin XtroLiner XO/PR is CFC & HCFC free and is ma..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
44.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 35mm 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: £48.18
£57.82 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: 1200x2400mm - 5.76m2
Delivery Time: 1-3 working days
150mm Unilin ECO360 MA Pitched Roof PIR Insulation board has a bio-enhanced, halogen free core of modified polyisocyanurate (PIR) pitched roof insulation bonded to textured low emissivity foil facings. Unilin ECO360 MA board offers excellent insulation performance with excellent thermal co..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
125mm Unilin XtroLiner XO/SK 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/SK board reduces the junctions prone to thermal bridging im..
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
150mm 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 hig..
Guide Price: £56.84
£68.21 inc VAT