90mm Unilin XT/CW Partial Fill Cavity Insulation

The 90mm Unilin Thin-R XT/CW Partial Fill Cavity Wall (T&G) system features engineered tongue and grooved joints with pre-formed corners. This advanced design delivers continuous insulation coverage and reduces thermal bridging effectively.

Engineered for traditional masonry walls, the 90mm Unilin XT/CW Cavity Wall (T&G) system meets rigorous thermal performance standards. It delivers superior thermal efficiency whilst preserving a residual cavity space, offering robust defence against wind-driven rain penetration.

Our XT/CW is available in Square Edge and Tongue and Grooved versions. The 90mm Unilin XT/CW was previously known as 90mm Xtratherm XT/CW.

Product Specification

Brand: Unilin / Xtratherm®

Thickness: 90mm

Model: 90mm XT/CW Cavity Wall Insulation Square Edge

Weight: 5.83kg

Dimensions: 1,200mm x 450mm x 90mm

Density: 30Kg/m3

Length: 1200mm

Width: 450mm

Board Coverage: 0.54 m²

Pack Coverage: 2.16 m²

Material: Polyisocyanurate (PIR)

Profile: Square Edge

R-Value: 2.27 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 90mm XT/CW Partial Fill:

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

Info

Explore our Unilin range and refine by thickness or coverage using the filters on the left. For project-specific advice or bulk pricing enquiries, contact us on +4402038839057, email sales@insulationbee, or use Live Chat for competitive UK Insulation pricing.