125mm Unilin Stonewool SW/RS Insulation Slab - Ventilated Rainscreen Cladding - 1200mm x 600mm - Pack of 2
125mm Unilin Stonewool SW/RS Insulation Slab - Ventilated Rainscreen Cladding - 1200mm x 600mm - Pack of 2
- Product Code: A1-5075
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 1200x600mm - 1.44m2
Our ratings on 22-05-2026:
4.8 out of 5
125mm Unilin Stonewool SW/RS Insulation Slab - Ventilated Rainscreen Cladding - 1200mm x 600mm - Pack of 2
Length: 1200mm
Width: 600mm
Thickness: 125mm
Pack Quantity: 2
Board Coverage: 0.72m2
Pack coverage: 1.44m2
Thermal Conductivity: 0.035W/mK
R-Value: 3.55m2K/W
125mm 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 build process for the application of mechanically fixed substrates. This insulation slab is manufactured to BS EN 13162.
CHARACTERISTICS
- Robust high density,
- Non-combustible; Euroclass A1,
- Easy to Install,
- Lightweight and can be easily cut to any shape with a fine tooth saw or a sharp knife.
- High acoustic performance,
- Suitable for use in high-rise buildings
APPLICATION
- Ventilated rainscreen façade
- Framing applications
- Curtain walling.
CERTIFICATION

Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.16m2
Delivery Time: 2 - 3 working days
100mm 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 alu..
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 5.76m2
Delivery Time: 7 - 10 days
140mm 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 bu..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 4.32m2
Delivery Time: 3 - 5 days
140mm 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: £123.78
£148.54 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 14.40m2
Delivery Time: 3 - 5 days
50mm 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: £212.98
£255.58 inc VAT
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: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
70mm 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 high..
Guide Price: £38.67
£46.40 inc VAT