4″ – 0″ Firring (100mm x 47mm to 0mm)

Treated Timber Firring tapers along its length to create a sloped angle. Ideal for use on flat roofs to avoid water pooling.

Key Features

• Treated with Osmose Naturewood, a preservative system that utilises copper and an organic co-biocide to prevent decay
• Suitable for flat roofs to create a slope for drainage
• Not recommended for structural purposes
• Slow grown timber