Menu
Menu
Your Cart

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
Our ratings on 17-09-2026:
Google My Business Reviews
4.8 out of 5
To GET BEST PRICE for this product only fill below:
Need a quote for more products? and continue browsing to find other materials needed.

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: 1200x450mm - 4.86m2
Delivery Time: 2 - 3 working days
60mm Unilin Safe-R SR/CW Phenolic Foam Insulation Board is a superior performance rigid partial fill cavity insulation board with enhanced fire performance, consisting of an Euroclass D-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/CW is faced with low emissivity alum..
Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
70mm 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 man..
60mm Unilin Thin-R XT/CW Partial Fill Cavity Insulation Board (pack of 7) 60mm Unilin Thin-R XT/CW Partial Fill Cavity Insulation Board (pack of 7)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 3.78m2
Delivery Time: 2 - 4 days
60mm Unilin ThinR XT/CW Partial Fill Cavity Wall Insulation Board is a PIR insulation board with a high thermal performance whilst maintaining a residual cavity in the external walls. This board achieves high standards of insulation with a certified thermal conductivity of 0.022W/mK with the op..
Guide Price: £56.57
£67.88 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 5.76m2
Delivery Time: 1-3 working days
150mm 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 F..
25mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm 25mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
25mm Unilin Thin-r XT/TF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings for use in timber framed walls. Unilin XT/TF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/TF is CFC & HCFC free and is manufactured u..
Guide Price: £17.00
£20.40 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
75mm Unilin XtroLiner XO/UF board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings and prevents downward heat loss through floors. Unilin XtroLiner XO/UF board offers excellent insulation performance with excellent thermal conductivity. Unil..
This product is listed in the following categories and systems (click to show).