Description
Pressure Treated Chunky Decking Board – 38mm x 150mm
If you’re looking for decking that feels solid, strong and built to last — this is it.
Our 38mm Chunky Decking Boards are significantly thicker than standard decking boards, giving you a noticeably more robust and heavy-duty finish.
With a nominal size of 38mm x 150mm and an approximate finished size of 33mm x 145mm, this board is a clear upgrade from the more common 32mm decking board (27mm finished size).
That extra thickness matters.
Why Choose 38mm Chunky Decking?
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Thicker than standard 32mm (27mm finished) boards
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Stronger underfoot with reduced flex
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Longer lifespan — thicker timber takes longer to rot
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Ideal for high-traffic or heavy-use areas
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Can span joists slightly further apart than standard decking (subject to correct installation)
This is proper heavy-duty decking, not the lightweight alternative most suppliers stock.
We are one of the only local stockists carrying this 38mm profile, making it a premium choice for customers who want a more substantial deck.
Pressure Treated for Outdoor Durability
All boards are pressure treated to protect against rot, fungal decay and insect attack, ensuring long-term performance in garden and commercial environments.
Stock Lengths Available
We stock the following lengths:
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3000mm
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3600mm
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4200mm
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4800mm
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5400mm
Cut Lengths Available on Request
The following lengths are available but must be quoted for:
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900mm
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1200mm
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1500mm
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1800mm
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2100mm
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2400mm
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2700mm
Please note: These shorter lengths are cut from our stock lengths and are supplied in multiples of 2. Please contact us for pricing and availability.
Product Details
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Nominal Size: 38mm x 150mm
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Approx. Finished Size: 33mm x 145mm
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Comparison: Thicker than standard 32mm (27mm finished) decking
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Timber Type: Softwood
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Treatment: Pressure Treated
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Suitable for domestic and commercial decking projects
