The James Hardie 1190mm Backing Strip is a purpose-made substrate behind panel joints to support sealants and flashings in facade systems. It helps create consistent, weather-resistant joints and improves sealant performance by controlling depth and contact surfaces. Lightweight and simple to position, it enhances installation speed and quality. Ideal for James Hardie cladding systems requiring precise joint backing in both residential and commercial applications.

$9.90

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