Treated Timber Decking Boards (Heavy Duty, Premium)

(1 customer review)


  • High-quality, heavy-duty decking boards
  • Pre-treated
  • Please expect a lead time of up to 1 week for delivery (Please allow up to 4-5 weeks for delivery of 4800mm boards currently)

Postage price calculated at checkout. Pallet deliveries will need to unload either with a suitable forklift or by hand on delivery.

Please message us using the contact form at the bottom of the page if you live in the Highlands or Islands for a delivery quote


SKU: sku99-1-2-9-1 Category:


Heavy Duty Smooth Finish Treated British Softwood Decking Boards.
All Timber is FSC Approved and Tanilith Treated (Gloves should be worn when handling)
Please note that we are still sending out daily deliveries throughout the Pandemic (as of 04/03/2020)Delivery time approx 7 working days.
Seriously Heavy Duty at 38mm thick x 150mm wide and either 24000mm, 3600mm or 4800mm long
Suitable for all types of decking, fencing, and flower bed/box building
Listed dimension could vary slightly in length, width and thickness
Delivered in various pack sizes by UK Courier company.
As with all timber, being a natural product it is not unusual for some pieces to be slightly bent, twisted, warped, split or knotty, normally this can be rectified when fixing it together.
Postage prices is reflected in the price per pack size and based on mainland UK delivery.
Please message us for a cost to deliver to islands and highlands

Please message us for a cost to deliver to islands and highlands including your postcode, size of the boards, and quantity required:

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Additional information

Decking Length

2400mm (8ft), 3600mm (12ft), 4800mm (16ft)

1 review for Treated Timber Decking Boards (Heavy Duty, Premium)

  1. Kyle (verified owner)

    Verified reviewVerified review - view originalExternal link

    Quick delivery. Although quite expensive courier charge and zero communication after I’d placed the order. But other than that all great. Good quality decking.

    Uploaded image(s):

    Image #1 from Kyle
    • Jon Howcroft (store manager)

      Hi Kyle,
      I am sorry about the lack of communication. We supply your contact details to our courier and you should receive correspondence when the items are booked out, when they are out for delivery and when they have been delivered.
      We will raise this with the courier
      Celtic Timber

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