49.5mm Unilin XT/TL Insulated Plasterboard

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

The 49.5mm Thin-R Thermal Liner XT/TL is an insulated plasterboard system engineered for dot and dab application. This composite panel features a 40mm PIR insulation core enclosed within composite kraft facings, adhered to 9.5mm tapered edge plasterboard using a specialist bonding adhesive.

Engineered specifically for internal wall applications, this product incorporates an integrated vapour control layer within the composite kraft facing to minimise condensation risk. By combining thermal insulation and drylining in a single installation step, the Thin-R Thermal Liner delivers an efficient solution for both new builds and refurbishment schemes.

Properties

Brand: Unilin

Thickness: 49.5mm

Model: 49.5mm XT/TL Dot&Dab

Dimensions: 2400mm x 1200mm x 49.5mm

Compressive Strength: 150 kPa

Density: 30-32 Kg/m3

Material: PIR core ǀ Gypsum plasterboard

Profile: Tapered edge plasterboard

R-Value: 1.87 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 and drylining combined in one step
2. Integrated vapour control layer for condensation prevention
3. Thinner overall construction depth
4. Versatile application across multiple wall insulation scenarios

About

The 49.5mm Thermal Liner XT/TL delivers comprehensive thermal performance and drylining capability in a single operation, making it the preferred choice for new construction and renovation work. This system enhances your property's energy efficiency whilst delivering cost savings and improved comfort levels.

The 49.5mm insulation board is chemically stable and safe in use, manufactured with a blowing agent featuring zero Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP).

Upgrading your home's thermal performance brings substantial advantages, including reduced utility bills and enhanced living comfort. Thin-R Thermal Liner represents an effective method to achieve these improvements and boost your property's energy credentials.

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 49.5mm XT/TL insulated plasterboards (40mm insulation plus 9.5mm plasterboard) combine plasterboard with an integrated insulation layer, typically manufactured from PIR insulation. The insulation is bonded to the plasterboard to form a unified, multi-purpose panel offering both thermal performance and a finished surface. These materials are widely used in construction to enhance thermal and sound insulation, whilst streamlining and accelerating installation timescales. Common applications include walls, ceilings, and floors, with options available in various dimensions and thicknesses to meet specific building specifications.

Info

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