This treated timber firring is designed to provide the required fall for flat or low-pitch roofs. It measures 47mm by 50mm at the thicker end and tapers to 0mm across its 3.0 metre length, allowing installers to achieve a consistent slope for water runoff.
Typically fixed to the top of roof joists or structural timbers, firrings help direct rainwater towards drainage points. This supports effective water management on roof builds, whether for new projects or refurbishment work, in both domestic and commercial settings.
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