80mm Unilin XT/CW Partial Fill Cavity Insulation

The 80mm Unilin XT/CW Partial Fill Cavity Wall (T&G) system features engineered tongue and grooved joints with pre-formed corners. This construction delivers consistent insulation coverage and reduces thermal bridging effectively.

Engineered for conventional masonry walls, the 80mm Unilin XT/CW Cavity Wall (T&G) system meets rigorous thermal performance requirements. It delivers superior thermal efficiency whilst preserving a residual cavity, offering robust defence against weather-driven moisture penetration.

Our XT/CW Is avaiable in Square Edge @ Tongue and Grooved versions. The 80mm Unilin XT/CW was previous known as 80mm Xtratherm XT/CW.

Product Specification

Brand: Unilin / Xtratherm®

Thickness: 80mm

Model: 80mm XT/CW Cavity Wall Insulation Tongue & Groove

Weight: 11.67kg

Dimensions: 1,200mm x 450mm x 80mm

Density: 30Kg/m3

Length: 1200mm

Width: 450mm

Board Coverage: 0.54 m²

Pack Coverage: 2.7 m²

Material: Polyisocyanurate (PIR)

Profile: Square Edge

R-Value: 3.18 m2K/W

Thermal Conductivity: 0.022 W/mk

Vapour Resistivity: 100 MNs/gm

Surface Spread of Flame: Class 1

Compressive Strength: >120kPa

Applications: Cavities ǀ Masonry Walls

Inner facing: Foil facing

Outer facing: Foil facing

BBA Certified: Yes (No. 08/4613)

Features: Lightweight ǀ Easy to handle and install

Important Features From Our 80mm XT/CW Partial Fill:

1. Robust tongue and groove jointing for secure assembly.
2. Corner panels and cavity closers reduce thermal bridging.
3. Preserves a clear cavity for maximum performance.
4. No exposure limitations.
5. Fitted with low emissivity foil facings for improved Cavity insulation.

Info

Browse our Unilin range and refine by thickness or coverage using the filters on the left. For project-specific advice or bulk quotations, contact us on +4402038839057, email sales@insulationbee or use Live Chat - Competitive UK Insulation Pricing.