Accoya® Color Grey Cladding – Mokuzai® MillSawn – Natural
Application: External cladding
Orientation: Vertical, horizontal or diagonal, depending on profile
Durability: Class 1 (BS EN 350-2)
Certification: FSC®
Fixing systems: Compatible with MillFix® and Secret clip system
MillFix® profiles: MW2, MW6
Secret clip system profiles: MW6 Clip, MW6 Clip Mix, MW7 Clip
Accoya® Color Grey MillSawn cladding is available in various lengths and manufactured in face fix, secret fix and secret clip system profiles, giving designers and self‑builders flexibility to choose the option that best meets the functional, performance, and aesthetic requirements of their project.
Finished with a our MillSawn surface texture – a twist on our traditional FineSawn surface texture that increases definition and adds character to the board, providing a contemporary take on a classic appearance.
Accoya® Color Grey is a high-performance, pre-coloured timber that offers an immediate, maintenance-free solution for projects where a weathered timber aesthetic is required. Resistant to rot and insect attack and with a lifespan of 60 years, it combines the outstanding durability of Accoya wood with the beauty of a timeless finish.
Dimensional stability – Accoya’s acetylation process replaces the timber’s natural hydroxyl groups with water-repellent acetyl groups. This makes the wood highly resistant to moisture absorption, improves its dimensional stability, and boosts its biological durability, ensuring that the timber remains durable in all conditions.
Coloured throughout – Accoya Color Grey is consistently coloured from surface to core, ensuring that even if the timber is cut, sanded, or scuffed, the rich grey tone remains intact. Designed for a long lifespan with minimal upkeep there is no need for additional coatings or re-staining.
Low maintenance – Designed for a long lifespan with minimal upkeep. Thanks to its exceptional stability, the timber resists movement, shrinking, and warping. Routine cleaning is all that’s needed to keep it looking great.
Sustainability – Accoya Color Grey is 100% recyclable, non-toxic, and sustainably sourced. The product is FSC® and Cradle to Cradle Certified® Gold and has been designed with its full lifecycle in mind, promoting reuse, minimal environmental impact, and safe return to nature or re-entry into manufacturing cycles.
Warranty – Accoya Color Grey comes with robust warranties: 50 years above ground and 25 years below ground. These warranties reflect its exceptional durability and ability to withstand all climates, providing peace of mind.



