75mm Unilin XT/CW Partial Fill Cavity Insulation

The 75mm Unilin Thin-R XT/CW Partial Fill Cavity Wall (T&G) system features engineered tongue and grooved joints with pre-formed corners, delivering continuous insulation performance and reduced thermal bridging.

Purpose-built for traditional masonry walls, this 75mm cavity wall solution meets rigorous thermal performance standards. It delivers outstanding thermal efficiency whilst preserving a residual cavity space, offering superior protection from wind-driven rain penetration.

The XT/CW is supplied in both Square Edge and Tongue and Grooved variants. This 75mm Unilin XT/CW product supersedes the previous 75mm Xtratherm XT/CW specification.

Product Specification

Brand: Unilin / Xtratherm®

Thickness: 75mm

Model: 75mm XT/CW Cavity Wall Insulation Square Edge

Weight: 6.80kg

Dimensions: 1,200mm x 450mm x 75mm

Density: 30Kg/m3

Length: 1200mm

Width: 450mm

Board Coverage: 0.54 m²

Pack Coverage: 3.24 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 75mm XT/CW Partial Fill:

1. Robust tongue and groove joints for secure assembly.
2. Corner panels and cavity closers reduce thermal bridging.
3. Preserves clear cavity space for maximum performance.
4. Unrestricted exposure capability.
5. Low emissivity foil facings enhance Cavity insulation efficiency.

Info

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