100mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 4)




100mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 4)
- Product Code: A1-4955
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm)
- Model and Size: 2400x1200mm - 11.52m2
- Weight: 36.86kg
Our ratings on 19-09-2025:

4.8 out of 5
100mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board (pack of 4)
Length: 2400mm
Width: 1200mm
Thickness: 100mm
Pack Quantity: 4
Board Coverage: 2.88m2
Pack Coverage: 11.52m2
Density: 32kg/m3
Weight/m2: 3.2kg
Weight: 36.86kg
Thermal Conductivity: 0.022W/mK
R-Value: 4.55m2K/W
Compressive Strength: 150kPa
Fire Rating (Reaction to Fire): E
100mm 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 100mm 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: 1250x600mm - 10.5m2
Delivery Time: 2 - 3 working days
30mm 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 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: 1250x600mm - 6m2
Delivery Time: 2 - 3 working days
50mm 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 and Size: 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 and Size: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
75mm Unilin Thin-R Hyfloor XT/HYF is a high performance floor Insulation board with superior thickness to performance ratio allowing the lower targets required under the new Building Regulations to be achieved with minimum thicknesses. Unilin Thin-R Hyfloor XT/HYF is a high performance foil faced Po..
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
120mm 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: £47.17
£56.60 inc VAT