BSW Timber Ltd

Founded in 1848, BSW Timber is the UK's largest sawmilling company.

BSW Timber is part of BSW Group a member of Binderholz – Europe’s leading timber processing operation.

The business 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. 

BSW Timber Decking Range 2024

BSW's new reversible decking range is manufactured from PEFC accredited, high quality European Redwood (pine) and is Tanalith^® E preservative treated to Use Class 3 to enhance its service life. 

The range comes in Smooth / Grooved and Grooved / Reeded profiles and also includes an anti-slip option – bringing enhanced grip to your deck projects.

• Grooved & Reeded (Narrow): 32 x 125 x 3600 / 4800mm 
• Grooved & Reeded (Wide) : 32 x 150 x 3600 / 4800mm 
• Smooth & Grooved (Narrow) : 38 x 125 x 3600 / 4800mm 
• Smooth & Grooved (Wide) European Redwood**  32 x 150 x 3600 / 4800 / 5400*mm
  (*5.4m lengths available in Scotland only.  **Alternatively certified UK Pine sold in England & Wales.
• Anti-Slip Smooth & Grooved : 38 x 125 x 4800mm 
• Anti-Slip Grooved & Reeded : 32 x 125 x 4800mm 

Composite products 

BSW's range of composite decking products, (not covered by TDCA accreditation) is available in a range of contemporary colours.

Use Class 4 Decking Substructure Timbers

Continued investment in cutting-edge technology enables BSW to offer an innovative range of warrantied, Use Class 4 timbers (posts, sleepers and joists), offering a 15 year service life. This includes some products which are mechanically incised. The process ensures the preservative treatment applied to the timber, penetrates deep into the sapwood.

Learn more about preservative treatment Use Classes HERE

IRO Timber Cladding

Inspired by the ancient Japanese method of charring timber – Yakisugi, the IRO Timber range from BSW, is heat enhanced UK Larch, preservative treated and coated in Rubio Monocoat cream. It is durable, offers a striking grain appearance and is available in a range of on-trend colours.

IRO is CladMark accredited by the TDCA

BSW Timber Cladding

Only the best quality larch logs sourced from British forests are used in the milling process for BSW cladding square cut (blanks) boards which are manufactured from heartwood based selection and are kiln dried and appearance graded. It has a rich heartwood colour with grain character and a number of knots.

BSW larch cladding boards come in a nominal size of: 25mm x 125/150mm and either 3.3 or 3.6m lengths. 

BSW also produce a range of imported redwood and whitewood cladding in a variety of dimensions and finished profiles.