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BSW Timber Ltd

Tel: 0800 587 8887
Cargo, Carlisle, CA6 4BA

CladMark Approved
DeckMark Approved
Operates Nationwide

BSW Group is the largest integrated forestry business in the UK and has eight sawmills: Newbridge-on-Wye, Southampton, Carlisle, Dalbeattie, Petersmuir, Fort William and Boat of Garten plus one in Riga, Latvia. The headquarters remain in Earlston, Berwickshire, where the business originated.

BSW manufactures and supplies a wide range of quality, FSC®-certified sawn timber products, including fencing, landscaping, cladding, construction, DIY, decking, and packaging. This covers everything from C16 construction timber to acoustic fence panels

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IRO Timber

IRO Timber is one of the latest BSW product ranges which features both decking and cladding timbers. Inspired by the ancient Japanese method of charring timber – Yakisugi,  IRO is heat enhanced and coated in Rubio Monocoat cream. It is durable, offers a striking grain appearance and is available in 15 colours.

IRO is both DeckMark and CladMark accredited by the TDCA

IRO Timber decking and cladding products

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BSW Decking Range

Manufactured from European pine, BSW Timeless decking is a classic, traditional deck board that is wax treated and water repellent. This slows down water absorption and offers another level of protection against moss.

BSW Timeless decking has a nominal size of 38mm x 125mm and comes in a choice of lengths: 2.4, 3.0, 3.6, 4.2 and 4.8m.


BSW Brushwood decking is inspired by the traditional Japanese process of yakisugi – charring wood and using different surface treatments. This process gives it a beautiful enhanced grain appearance.

BSW Brushwood decking is preservative treated with a brown appearance and has a nominal size of
32mm x 150mm x 4.8m.

Use Class 4 Timbers

Continued investment in cutting-edge technology enables BSW to offer an innovative range of warrantied, incised, Use Class 4 posts. The process ensures that the preservative treatment applied to the timber penetrates deep into the sapwood to deliver a 15 year service life.

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BSW Timeless Cladding

Only the best quality larch logs sourced from British forests are used in the milling process for BSW Timeless cladding square cut (blanks) boards which are manufactured from heartwood based selection and are kiln dried and appearance graded. 

Suitable for domestic and commercial applications, British Larch has comparable durability to imported Siberian Larch and is most commonly used uncoated. It has a rich heartwood colour with grain character and a number of knots.

BSW Timeless Timber cladding boards are CladMark accredited. 

Learn more about BSW Decking Products

Go to BSW Website

Learn more about BSW Cladding Products

Go to BSW Website

TDCA accreditations: