80mm Unilin XtroLiner XO/PR Pitched Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 4
80mm Unilin XtroLiner XO/PR Pitched Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 4
- Product Code: A1-5018
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 1200x2400mm - 11.52m2
Our ratings on 20-07-2026:

4.8 out of 5
80mm Unilin XtroLiner XO/PR Pitched Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 4
Length: 2400mm
Width: 1200mm
Thickness: 80mm
Pack Quantity: 4
Board Coverage: 2.88m2
Pack coverage: 11.52m2
Thermal Conductivity: 0.021W/mK
R-Value: 3.8m2K/W
Compressive Strength: 150kPa
80mm 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 manufactured under the highest standards of ISO 9001 and 14001 Quality and Environmental Management Systems.
Note: This product was formerly known as 80mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board
CHARACTERISTICS
- High Thermal Performance Rigid Insulation,
- Easy to Install,
- Non-deleterious material,
- Suitable for new build and refurbishment,
- Manufactured with zero ODP blowing agent,
- Reduces Thermal Bridging,
- Reaction to fire: Euroclass C s2 d0,
- Closed cell structure – moisture resistant
APPLICATION
- Pitched roof
- Ventilated roof
- Warm roof
- Above and between rafters
- Under rafters, above ceilings

INSTALLATION
Ventilated Roofs
- Allow for ventilation gaps normally 50mm. (May be reduced depending on breather membrane certification).
- Cut XtroLiner boards to fit tightly between rafters flush with rafter bottom. An additional 2nd layer should be added to the underside of the rafter.
- Run second layer transverse to the first.
- Temporarily fix with nails.
- Provide vapour control layer (Aluminium tape joints).
- Finish with 12.5mm plasterboard fixed with drylining screws. Screw fix every 150mm, 12mm from edge of boards.
- All board edges should be supported.
Warm roofs
- Ensure cavity wall insulation has continued to roof height to engage with roof insulation.
- Fix a timber stop rail to end of rafter at eaves.
- Lay Unilin XtrolinerXO/PR insulation stagger jointed over rafters ensuring joints are supported by rafters.
- Ensure boards are tightly butted fill any gaps with expanding foam. A vapour permeable underlay should be fitted; refer to manufacturers Agrèment certification.
- Providing an unvented void under the membrane can improve the thermal performance.
- Fix counter batten with approved fixings.
- Ventilation may have to be provided subject to certification.
- A second layer of insulation may be added between the rafters.
- Provide a vapour control layer to the underside of the construction.
- Current Building Regulations/Standards should be considered with regard to the requirements for and/or provision of fire stops.
CERTIFICATION

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..
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
75mm Unilin Safe-R SR/ST Phenolic foam is a superior performance rigid insulation soffit board with enhanced fire performance, consisting of a C-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/ST is faced with low emissivity aluminium facings both sides, and has a therm..
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200mm - 17.28m2
Delivery Time: 2 - 3 working days
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 ha..
Brand: Unilin (prev. Xtratherm)
Model: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
125mm 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: 2400mm x 1200mm - 8.64m2
Delivery Time: 7 - 10 days
120mm Unilin Safe-R 019/MA (Floors) is a high‑performance phenolic floor insulation board designed to deliver excellent thermal efficiency with minimal thickness. It is commonly used below screeds, timber floors and concrete slabs where achieving low U‑values is essential without increasing floor bu..
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
40mm 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: £23.47
£28.16 inc VAT









