112.5mm Unilin Safe-R SR/TB (100mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 4)
Guide Price
112.5mm Unilin Safe-R SR/TB (100mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 4)
Guide Price: £542.96 (£651.55 inc VAT)
Price per m2: £47.13/m2 (£56.56 inc VAT)
- Product Code: A1-4882
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200 - 11.52m2
Our ratings on 17-04-2026:
4.8 out of 5
112.5mm Unilin Safe-R SR/TB (100mm Phenolic Core + 12.5mm Plasterboard) - Dot & Dab (pack of 4)
Length: 2400mm
Width: 1200mm
Height: 112.5mm
Pack Quantity: 4
Board Coverage: 2.88m2
Pack Coverage: 11.52m2
Thermal Conductivity: 0.021W/mK
R-Value: 4.8m2K/W
112.5mm Unilin Safe-R SR/TB is a composite insulated panel of of 100mm Unilin Phenolic core with a glass tissue facing, bonded to a 12.5mm tapered edge plasterboard for internal applications. Unilin Safe-R SR/TB composite insulation board is fixed with dot & dab adhesive bonding. It is designed to provide high levels of thermal insulation and dry lining in one operation for new builds and renovation. Using this board can help to reduce energy costs and improved living conditions.
Note: This composite plasterboard was formerly known as 112.5mm Xtratherm Safe-R Thermal Liner SR/TB

CHARACTERISTICS
- Superior performance phenolic foam,
- Effective thermal and fire performance,
- Can be readily cut using a sharp knife or fine toothed saw,
- Low smoke obscuration,
- Low risk fire rating - Class 0,
- HCFC/CFC Free,
- Zero ODP,
- Rot proof and will remain effective for the life span of the building,
- Reaction to fire: Euroclass B-s1, d0
APPLICATION
- Internal wall drylining for new build or refurbishment
INSTALLATION
- Align the SR/TB board squarely on wall.
- Allow a 15mm expansion joint at the top and bottom of the panel, and fill with foam filler.
- Mark the position of the panel on the wall. Apply adhesive dabs to the wall in accordance with BS8212:1986 & BS 800: Part 8: 1994.
- Vertical dabs @ 300mm centres 25mm in from edge. Dabs 50-75mm wide approx 25mm deep to allow for tamping. Total contact with boards area should be 20%.
- Lift the SR/TB board into position using wedges on the floor.
- Apply pressure to the board to level and embed in the adhesive.
- Insulation should be cut back to accommodate an adjoining panel at external corners.
- When the adhesive has dried, 3 fireproof mechanical fixings should be fixed through the centre of the board.
CERTIFICATION

Note: Bonding of the Unilin Insulation board with other materials may be made by Unilin or a different fabricator.
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 450mm - 1.62m2
Delivery Time: 2 - 4 days
140mm Unilin Thin-R Plus XT/CF is a superior performance, enhanced polyisocyanurate (PIR) insulation, specifically engineered for full-fill thermal insulation in new external masonry cavity walls. This advanced insulation board is designed to meet and exceed the stringent thermal requirements of Bri..
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 11.52m2
Delivery Time: 7 - 10 days
75mm Unilin Safe-R 019/MA (Soffit) Phenolic Insulation Board is a high‑performance phenolic insulation board designed for use on the underside of structural ceilings in both commercial and residential buildings. It delivers strong thermal efficiency and reliable fire performance, making it a robust ..
Brand: Unilin (prev. Xtratherm)
Model: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
125mm Unilin ECO360 MA Sarking PIR Insulation board has a bio-enhanced, halogen free core of modified polyisocyanurate (PIR) pitched roof insulation bonded to textured low emissivity foil facings. Unilin ECO360 MA Sarking board offers excellent insulation performance with excellent th..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 4.32m2
Delivery Time: 3 - 5 days
130mm 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: £125.63
£150.76 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200 - 11.52m2
Delivery Time: 2 - 3 working days
87.5mm Unilin Safe-R SR/TB is a composite insulated panel of of 75mm Unilin Phenolic core with a glass tissue facing, bonded to a 12.5mm tapered edge plasterboard for internal applications. Unilin Safe-R SR/TB composite insulation board is fixed with dot & dab adhesive bonding. It is designed to..
Guide Price: £438.96
£526.75 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 4.32m2
Delivery Time: 3 - 5 days
150mm 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: £131.29
£157.55 inc VAT