40mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm


Guide Price


40mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm
Guide Price: £23.47 (£28.16 inc VAT)
Price per m2: £8.15/m2 (£9.78 inc VAT)
- Product Code: A1-5311
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400mm x 1200mm - 2.88m2
- Weight: 3.46kg
Our ratings on 24-08-2026:

4.8 out of 5
40mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm
Length: 2400mm
Width: 1200mm
Thickness: 40mm
Board Coverage: 2.88m2
Board Coverage: 2.88m2
Density: 30kg/m3
Weight/m2: 1.2kg
Weight: 3.46kg
Thermal Conductivity: 0.022W/mK
R-Value: 1.82m2K/W
Compressive Strength: 150kPa
Surface Spread of Flame: Class 1
40mm 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 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,
- 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: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 11.52m2
Delivery Time: 7 - 10 days
90mm 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 bui..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 4.32m2
Delivery Time: 3 - 5 days
160mm 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: £167.09
£200.51 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 450mm - 2.16m2
Delivery Time: 1-3 working days
150mm Unilin CavityTherm wall insulation board is a high performance composite board of enhanced PIR core with a lambda value of 0.021W/mK. The boards have gas tight facings with one face bonded to a profiled HIPS skin during manufacture to provide a drainage plane. Unilin CavityTherm's unique ..
Guide Price: £128.97
£154.76 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 7.20m2
Delivery Time: 3 - 5 days
100mm Unilin FR-BGM is a a BBA certified high performance PIR insulation board that is faced with a fleece finished bitumen/glass facers and is suitable for use below partially bonded bitumen based built up roofing systems. Unilin FR-BGM is suitable to apply torch on felt directly on the insulation...
Guide Price: £204.72
£245.66 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..
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..





