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 24-07-2026:
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

      

54.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (45mm PIR Insulation bonded to 9.5mm Plasterboard) 54.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (45mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
54.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 45mm 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: £55.97
£67.16 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1200x600mm - 1.44m2
Delivery Time: 1-3 working days
150mm Unilin Stonewool SW/RS Insulation Slab is a non-combustible Euroclass A1 stone wool insulation used as ventilated rainscreen façade and framing applications and curtain walling. Unilin Stonewool SW/RS insulation provides a uniform, high density solution providing resilience during the bui..
100mm Unilin Thin-R XT/CW Partial Fill Cavity Insulation Board (pack of 4) 100mm Unilin Thin-R XT/CW Partial Fill Cavity Insulation Board (pack of 4)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 2.16m2
Delivery Time: 2 - 4 days
100mm 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 o..
Guide Price: £47.48
£56.98 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 450mm - 1.62m2
Delivery Time: 7 - 10 days
110mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board is a high‑performance phenolic insulation panel designed for traditional masonry cavity walls. It delivers excellent thermal efficiency while preserving a clear residual cavity, helping protect buildings from wind‑driven rain. ..
75mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 4) - Pitched Roof Insulation - 2400mm x 1200mm 75mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 4) - Pitched Roof Insulation - 2400mm x 1200mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 11.52m2
Delivery Time: 2 - 3 working days
75mm Unilin Safe-R SR/PR Phenolic Foam Insulation Board is a superior performance rigid insulation for pitched roofs with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R is faced with low emissivity aluminium facings both sides, and has..
Guide Price: £349.38
£419.26 inc VAT
112.5mm Unilin Safe-R SR/TB-MF (100mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 4) 112.5mm Unilin Safe-R SR/TB-MF (100mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 4)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400x1200 - 11.52m2
Delivery Time: 2 - 3 working days
112.5mm Unilin Safe-R SR/TB-MF is a composite insulated panel of 100mm Phenolic core with a composite foil facing bonded to a 12.5mm tapered edge plasterboard for internal applications, mechanically fixed. Unilin Safe-R SR/TB-MF is designed to provide high levels of thermal insulation and dry lining..
Guide Price: £586.11
£703.33 inc VAT

Rate this product

Please login or register to review
This product is listed in the following categories and systems (click to show).