Douglas Fir Decking Boards Treated Manns Clear Oil A Grade 20mm


Douglas fir decking boards are typically more affordable than hardwood decking options like Cedar or Larch making them an attractive choice for budget-conscious homeowners. Like any decking material, proper installation is crucial for the longevity and safety of your deck. Douglas fir decking boards should be properly spaced and secured to the framing with appropriate fasteners.



SKU: 961612865 Category: Product ID: 12865


Douglas Fir Decking Boards Treated Manns Clear Oil – this includes cleaning, sealing, and potentially re-staining the wood every few years, depending on exposure to the elements.. Douglas fir has good dimensional stability, which means it is less likely to warp, twist, or cup compared to some other softwood decking options. Douglas fir is naturally resistant to decay and insects, making it a suitable choice for outdoor applications like decking. It can withstand the elements and has a long lifespan.

Smooth decking has a beautiful, reddish-brown colour with prominent grain patterns. It can be left unfinished for a natural look or stained and sealed to enhance its appearance and protect it from UV rays and moisture.

More decking options here

More about douglas fir

  • Smooth finish
  • Square edge finish
  • Long Lasting
  • Price per 1 square meter – £48.00 plus VAT
  • Price excluding VAT ( VAT added on checkout )
  • Timber has been kiln-dried for extra stability which reduces twisting
  • Delivery 5-7 working days

Additional information


20mm x 95mm x 3000 mm – £13.68, 20mm x 95mm x 4000mm – £18.24, 20mm x 95mm x 5000mm – £22.80, 20mm x 120mm x 3000mm – £17.28, 20mm x 120mm x 4000mm – £23.04, 20mm x 120mm x 5000mm – £28.80, 20mm x 145mm x 3000mm – £20.88, 20mm x 145mm x 4000mm – £27.84, 20mm x 145mm x 5000mm – £34.80