25mm Unilin XtroLiner XO/PR Pitched Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 12
25mm Unilin XtroLiner XO/PR Pitched Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 12
- Product Code: A1-5011
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 1200x2400mm - 34.56m2
Our ratings on 05-01-2026:
4.8 out of 5
25mm Unilin XtroLiner XO/PR Pitched Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 12
Length: 2400mm
Width: 1200mm
Thickness: 25mm
Pack Quantity: 12
Board Coverage: 2.88m2
Pack coverage: 34.56m2
Thermal Conductivity: 0.021W/mK
R-Value: 1.15m2K/W
Compressive Strength: 150kPa
25mm 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 25mm 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
BBA_Certificate_Xtroliner_XO_PR.pdf
Guide Price
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
87.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 75mm Unilin PIR core with foil faces bonded to 12.5mm 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 oper..
Guide Price: £53.08
£63.70 inc VAT
Guide Price
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
80mm 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 manuf..
Guide Price: £34.76
£41.71 inc VAT
Guide Price
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 5.76m2
Delivery Time: 3 - 5 days
110mm 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: £134.70
£161.64 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 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..
Guide Price
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
89.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 80mm 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: £62.39
£74.87 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200mm - 11.52m2
Delivery Time: 1-3 working days
70mm 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..