52.5mm Unilin Safe-R SR/TB (40mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 7)
Guide Price
52.5mm Unilin Safe-R SR/TB (40mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 7)
Guide Price: £499.13 (£598.96 inc VAT)
Price per m2: £24.76/m2 (£29.71 inc VAT)
- Product Code: A1-4877
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200 - 20.16m2
Our ratings on 03-03-2026:
4.8 out of 5
52.5mm Unilin Safe-R SR/TB (40mm Phenolic Core + 12.5mm Plasterboard) - Dot & Dab (pack of 7)
Length: 2400mm
Width: 1200mm
Height: 52.5mm
Pack Quantity: 7
Board Coverage: 2.88m2
Pack Coverage: 20.16m2
Thermal Conductivity: 0.023W/mK
R-Value: 1.8m2K/W
Note: This composite plasterboard was formerly known as 52.5mm 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.
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