35mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
Guide Price
35mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
Guide Price: £22.37 (£26.84 inc VAT)
Price per m2: £7.77/m2 (£9.32 inc VAT)
- Product Code: A1-5251
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400mm x 1200mm - 2.88m2
- Currently: 6 in stock
Our ratings on 27-01-2026:
4.8 out of 5
35mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
Length: 2400mm
Width: 1200mm
Thickness: 35mm
Board Coverage: 2.88m2
Board Coverage: 2.88m2
Thermal Conductivity: 0.022W/mK
R-Value: 1.6m2K/W
Compressive Strength: 150kPa
Surface Spread of Flame: Class 1
35mm 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 highest standards of ISO 9001 and 14001 Quality and Environmental Management Systems.
CHARACTERISTICS
- High Thermal Performance Rigid Insulation,
- Easy to Install,
- Suitable for new build and refurbishment,
- Manufactured with zero ODP blowing agent,
- Reduces Thermal Bridging,
- Closed cell structure – moisture resistant
APPLICATION
- Pitched roof
- Ventilated roof
- Warm roof
- Above and between rafters
- Under rafters, above ceilings
CERTIFICATION

Brand: Celotex
Model: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
Celotex TB4035 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. TB4012 is also appropriate for use in floors and walls. With low emissivity foil facings, TB4012 is manufac..
Guide Price: £56.33
£67.60 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
110mm 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: £46.17
£55.40 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200x2400mm - 17.28m2
Delivery Time: 1-3 working days
50mm Unilin XtroLiner XtroDeck XO/XD board has a core of modified polyisocyanurate (PIR) bonded to low emissivity embossed aluminium foil facings. Unilin XtroLiner XtroDeck XO/XD board offers excellent insulation performance with excellent thermal conductivity.Unilin XtroLiner XtroDeck XO/XD bo..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
62.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 25mm 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: £44.42
£53.30 inc VAT
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: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
49.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 40mm 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..
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
129mm Unilin Plydeck Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 120mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 9mm OSB board. This combination provides both high levels of thermal insulation and a robust decking..