39.5mm Unilin XT/TL Insulated Plasterboard

Unilin Insulation | The new name for Xtratherm Insulation in the UK & Ireland.

39.5mm Thin-R Thermal Liner XT/TL Insulated Plasterboard combines a Unilin 30mm PIR insulation core with two composite kraft facings. The core is bonded to 9.5mm tapered edge plasterboard using a proprietary adhesive system that creates a unified thermal and drylining solution.

Engineered for internal wall applications, this composite panel features an integral vapour control layer built into both kraft facings to minimise condensation risk. The combination of thermal insulation and drylining in a single product makes it ideal for new builds and renovation work, delivering both performance and installation efficiency.

Properties

Brand: Unilin

Thickness: 39.5mm

Model: 39.5mm XT/TL Dot&Dab

Dimensions: 2400mm x 1200mm x 39.5mm

Compressive Strength: 150 kPa

Density: 30-32 Kg/m3

Material: PIR core ǀ Gypsum plasterboard

Profile: Tapered edge plasterboard

R-Value: 1.42 m2K/W

Thermal Conductivity: 0.022 W/mk

Vapour Resistivity: 100 MNs/gm

Finish: Composite Kraft facings

Reaction To Fire: Euroclass B s1 d0

Applications: Internal walls ǀ Pitched and flat roofs

Vapour Control Layer: Yes, build in

Fixing method: Adhesive bonding

Features: PIR Thermal Insulated Plasterboard

Type: Thermal Liner®

Flexural Strength: ≥160N Transverse / ≥400N Longitudinal

Benefits

1. Insulation & Drylining in one application
2. Provides effective vapour control layer
3. Reduced insulation thickness
4. Suitable for a variety of wall Insulation types

About

This 39.5mm Thermal Liner XT/TL delivers comprehensive thermal performance and drylining capability in a single installation step, making it the preferred choice for new construction and refurbishment schemes. It enhances your home's energy efficiency whilst reducing heating costs and creating a more comfortable living environment.

The 39.5mm Insulation Board is chemically stable and safe in use, manufactured with a blowing agent that carries zero Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP).

Upgrading your home's thermal performance delivers substantial advantages, from lower energy bills to enhanced comfort levels. Thin-R Thermal Liner achieves these benefits effectively and represents a smart investment in sustainable home improvement.

The PIR board delivers fire resistance through continuous adhesive ribbons, particularly around vulnerable areas such as window and door openings.

What are Insulated Plasterboards?

The 39.5mm XT/TL insulated plasterboards ( 30mm insulation + 9.5mm plasterboard ) are composite building panels that integrate plasterboard with an insulation layer, typically manufactured from PIR. The insulation is bonded directly to the plasterboard, creating a single multi-purpose panel that delivers both thermal performance and a finished surface in one product. These panels are widely used in construction to enhance thermal and sound insulation, whilst streamlining the installation process. They work well in walls, ceilings, and floors, and are available in various sizes and thicknesses to meet specific building specifications.

Info

Browse our Unilin range and refine by thickness or coverage using the left-hand filters. For advice on product suitability for your project or to request a quantity discount quotation, contact us on +4402038839057 , email sales@insulationbee or use Live Chat - Lowest UK Insulation Prices.