Douglas Fir Rainscreen Cladding 27x68mm

The Douglas Fir Rainscreen 27x68mm is a timber cladding board designed for use within ventilated rainscreen façade systems. Known for its strength, stability, and attractive grain, Douglas fir is well suited to external wall applications where reliable performance and a natural timber appearance are required.

Rainscreen cladding systems manage moisture by creating a drained and ventilated cavity behind the outer cladding layer. When specified as part of a rainscreen build-up, Douglas fir provides a durable weathering surface while allowing airflow to support controlled drying of the wall structure. The 27x68mm profile is commonly used in vertical or horizontal installations, depending on façade design and detailing.

This board forms part of our rainscreen cladding range and is intended for installation over a battened cavity with suitable membranes and corrosion-resistant fixings. Correct cavity depth, ventilation paths, and fixing methods are essential to ensure long-term performance and dimensional stability.

Douglas fir offers good natural durability and is typically supplied untreated, allowing the timber to weather naturally to a silver-grey tone over time. Where colour retention or defined maintenance intervals are required, appropriate external coating systems can be applied. Proper specification and installation will ensure predictable weathering and consistent façade performance.