Pictured: Grooved Balau Hardwood Decking Boards.

145 x 21mm Grooved/Smooth Balau Decking

  • £39.50 per m2£5.93 per linear
  • Product Code
  • 1004b
  • Profile
  • Smooth/V-Grooved
  • Board Width
  • 145mm
  • Thickness
  • 21mm
All prices exclude delivery
Product Information
  • 145mm x 21mm Balau decking boards
  • Grooved one side, smooth the other however it is not a reversible deck board
  • Eased edges
  • Extremely dense & durable hardwood
  • Naturally resistant to insect and fungal attack
Board Lengths
Our 145mm Balau boards are generally between two and five metres in lengths. Precise stocks do vary, but we will always do our best to match your required tally. Please note that decking boards may be supplied over length, so you will need to ensure that your fitter has the correct tools on site to cut them down.
Board Details
Our Balau boards tend to range from light through to dark brown. When the different shades are fitted together, an impressive and contemporary look that is particularly striking in the wet is achieved. Grading guidelines allow for Balau to contain small holes known as pinworm – these are in no way detrimental to the structure of the timber.
Balustrade
We offer a unique range of decking components to complement your deck including Balau handrail, baserail, posts, spindles and infill. For more information, visit our Decking Components section.
Hardwood Decking Wrench
We recommend installing your decking boards with the hardwood decking wrench. This is a self-locking deck board straightening tool that can be used to hold bent boards straight whilst fasteners are installed. See associated products below. We also offer a hire service.
Fitting Methods
  • Face Screwing: The traditional method. Simply screw through the face of the board into your sub-frame, plugging the hole if required. Always Pilot Drill before fitting screws and drill 2mm oversize holes. We recommend 400mm centre to centre joist spacing.
Fitting Information
Whilst Balau is an extremely stable hardwood, we recommend that you leave a 6mm gap between each board. Being a natural product there will be some expansion and shrinkage in certain climates. Please note that as hardwood specialists, we do not stock softwood for sub-frames. We recommend that you source this from a standard timber merchant.
Finishing Methods
  • Decking oil: The most common finish for any hardwood deck. This product contains UV filters to delay the silvering process that strong sunlight causes in any hardwood.
Associated Products 140 x 19mm Smooth Ipe Decking
£52.50 per m2
90 x 28mm Baserail
From £6.95 per linear
90 x 90mm Post
From £24.95 per linear
Grooving for Hidden Fastenings
£0.50 per linear
145 x 21mm Reeded/Smooth Balau Decking
£39.50 per m2
Hardwood Wrench
£195.00 per EACH

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