Menu
Menu
Your Cart

77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)

77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)
77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)
77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)
77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price: £54.06 (£64.87 inc VAT)
Price per m2: £18.77/m2 (£22.53 inc VAT)
  • Product Code: A1-6221
  • Delivery Time: 1-3 working days
  • Brand: Unilin (prev. Xtratherm)
  • Model and Size: 1200mm x 2400mm - 2.88m2
Our ratings on 26-08-2025:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

77.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (65mm PIR Insulation bonded to 12.5mm Plasterboard)

Length: 2400mm
Width: 1200mm
Thickness: 77.5mm
Board coverage: 2.88m2
Thermal Conductivity: 0.022W/mK
R-Value: 3m2K/W

77.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 65mm Unilin PIR core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one operation for suitable masonry walls, sloped rafters and ceilings in new build and refurbishment situations. Unilin XT/TL-MF is only suitable for mechanical fixed applications. The closed cell structure and gas tight facings provides excellent thermal performance and moisture resistance. Unilin Thin-R products deliver genuine thermally robust performances and are supported with full third party assurances throughout the range.

Note: This product was formerly known as 77.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF - Mech Fix Plasterboard

CHARACTERISTICS
  • High Thermal Performance,
  • Reaction to fire: Euroclass B s1 d0,
  • 12.5mm tapered edge plasterboard,
  • Integral Vapour Control Layer,
  • Low Emissivity Foil Facings,
  • Energy Saving Trust Approved Product,
  • HCFC/CFC Free, GWP <5,
  • BRE Green Guide A+ Rated,
  • Non-deleterious material,
  • Closed cell structure – moisture resistant,
APPLICATION
  • Masonry walls
  • Sloped rafters
  • Ceilings
INSTALLATION
  • Mechanical Fixing Unilin XT/TL-MF 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 Unilin XT/TL-MF Thermal Liner 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 (thermally broken) should penetrate at least 25mm into the batten.
  • Installation must be in accordance with good dry lining practice. BS 8212:1988 should be considered, careful setting out and planning is essential, fill any gaps with foam filler.

CERTIFICATION
  • ISO 9001 Quality Management Systems
  • ISO 14001 Environmental Management Systems
  • ISO 45001 Occupational Health & Safety Management System

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

32.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (20mm PIR Insulation bonded to 12.5mm Plasterboard) 32.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (20mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
32.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 20mm Unilin PIR core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one oper..
Guide Price: £37.05
£44.46 inc VAT
Get Best Price
Brand: Unilin (prev. Xtratherm) Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
96mm Unilin FR/TP Thermal Ply Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 90mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 6mm WBP grade plywood. This combination provides both high levels of thermal insulation and ..
Get Best Price
160mm Unilin FR-BGM Flat Roof Insulation Board (pack of 3)
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 1200mm x 1200mm - 5.76m2
Delivery Time: 3 - 5 days
160mm Unilin FR-BGM is 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. F..
Guide Price: £148.66
£178.39 inc VAT
Get Best Price
Brand: Unilin (prev. Xtratherm) Model and Size: 2400x1200mm - 14.40m2
Delivery Time: 2 - 3 working days
60mm 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..
Get Best Price
50mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 6) - Pitched Roof Insulation - 2400mm x 1200mm 50mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 6) - Pitched Roof Insulation - 2400mm x 1200mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 2400mm x 1200mm - 17.28m2
Delivery Time: 2 - 3 working days
50mm Unilin Safe-R SR/PR Phenolic Foam Insulation Board is a superior performance rigid insulation for pitched roofs with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R is faced with low emissivity aluminium facings both sides, and has..
Guide Price: £353.69
£424.43 inc VAT
Get Best Price
Brand: Unilin (prev. Xtratherm) Model and Size: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
125mm 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 P..
Get Best Price
This product is listed in the following categories and systems (click to show).