52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) - Mechanical Fixing (pack of 7)

52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
Guide Price
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) - Mechanical Fixing (pack of 7)
Guide Price: £520.50 (£624.60 inc VAT)
Price per m2: £25.82/m2 (£30.98 inc VAT)
Our ratings on 11-11-2026:
Google My Business Reviews
4.8 out of 5
To GET BEST PRICE for this product only fill below:
Need a quote for more products? and continue browsing to find other materials needed.

52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core + 12.5mm Plasterboard) - Mechanical Fixing (pack of 7)

Length: 2400mm
Width: 1200mm
Thickness: 52.5mm
Pack Quantity: 7
Board Coverage: 2.88m2
Pack Coverage: 20.16m2
Thermal Conductivity: 0.023W/mK
R-Value: 1.8m2K/W

52.5mm Unilin Safe-R SR/TB-MF is a composite insulated panel of 40mm Phenolic core with a composite foil facing bonded to a 12.5mm tapered edge plasterboard for internal applications, mechanically fixed. Unilin Safe-R SR/TB-MF is designed to provide high levels of thermal insulation and dry lining in one operation for masonry walls. Unilin Safe-R SR/TB-MF incorporates an integral vapour control layer, which helps to reduce the risk of condensation. It can be used as a composite plasterboard for internal walls, sloped roofs and ceilings.

Note: This product was formerly known as 52.5mm Xtratherm Safe-R Thermal Liner SR/TB-MF

srtb mf installation
CHARACTERISTICS
  • Superior performance phenolic foam,
  • Low thermal conductivity,
  • Effective thermal and fire performance,
  • Can be readily cut using a fine toothed saw,
  • Rot proof and will remain effective for the life span of the building,
APPLICATION
  • Internal wall drylining for new build or refurbishment,
  • For internal walls, sloped roofs and ceilings.
INSTALLATION
  • Fix a pre-treated timber batten horizontally at ceiling level and another 20mm above the finished floor level.
  • Fix vertical battens at max 600mm centres.
  • Ensure battens are wide enough to offer 20mm support to all four edges of the plasterboard.
  • Pack battens if necessary to level the wall.
  • Trim all openings and service penetrations with timber battens.
  • Insulation should be cut back to accommodate an adjoining panel at external corners.
  • Lift the SR/TB-MF into position using wedges on the floor.
  • Screws should be fixed to the timber batten at 150mm centres, at least 12mm in from the board edge.
  • The fixings should penetrate at least 25mm into the batten.
  • Installation must be in accordance BS 8212:1988.
  • Fill any gaps with foam filler.

CERTIFICATION
Unilin Safe-R SR/TB is manufactured to EN ISO 13166 under

  • Quality Systems approved to EN ISO 9001, Quality Management,
  • EN ISO 14001 Environmental Management,
  • ISO 45001 Occupational Health and Safety Management System.

        sr tb mf certifications

Note: Bonding of the Unilin Insulation board with other materials may be made by Unilin or a different fabricator.

Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 4.86m2
Delivery Time: 2 - 4 days
40mm Unilin ThinR XT/CW Partial Fill Cavity Wall Insulation Board is a PIR insulation board with a high thermal performance whilst maintaining a residual cavity in the external walls. This board achieves high standards of insulation with a certified thermal conductivity of 0.022W/mK with the optiona..
75mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm 75mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
75mm 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 stand..
Guide Price: £32.89
£39.47 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 4.86m2
Delivery Time: 2 - 3 working days
50mm 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 alum..
47.5mm Unilin XT/TL Thermal Liner Dot and Dab (35mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
47.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 35mm Unilin PIR core faced with composite kraft paper bonded to 12.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell com..
Guide Price: £57.82
£69.38 inc VAT
40mm Unilin FR/MG Flat Roof Board - pack of 12 40mm Unilin FR/MG Flat Roof Board - pack of 12
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 1200mm - 20.16m2
Delivery Time: 3 - 5 days
40mm 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 or adhered boards. ..
Guide Price: £231.60
£277.92 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
80mm 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..
This product is listed in the following categories and systems (click to show).