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Treated timber is usually defined as timber which has been through a process involving preservatives and pressure, to protect its exterior and prepare it for use outdoors. In some climates hardwood timbers may be used externally in their untreated form, but softwood timber will succumb to rot if it is used untreated outdoors.
Treated timber is frequently described as pressure treated timber, which refers to the part of the treatment process involving forcing preservatives into the timber under pressure. Treated timber, is first dried to lower its moisture content before it is fed into a vacuum cylinder where the wood is flooded with preservative.
Earnshaws high-quality planed treated timber is perfect for a wide range of projects, including fencing and pergolas. Our range includes laminated pergola arches, euro fillets, reeded round top posts, planed timber fences posts, and planed timber boards – stocked in popular dimensions.
Our sawn pressure treated timber is sourced from mixed softwood species and is available in a range of standard sizes, and custom sizes are available to be made to order. Our range of sawn treated timber includes framing, sleepers, capping rails, gravel boards, birdmouth posts and feather edged board.
Our centres stock a variety of planed round edge timber, ideal for use in equestrian, agricultural or general garden design, fencing and landscaping projects. Our round timber stakes are available in both a rustic, uneven finish or a machined round finish, with a sawn point. We also stock half machine rounds, which are often used for cladding, landscaping or fencing. Round edge timber is supplied pressure treated to ensure longevity and durability.
At Earnshaws we have been growing, cutting, sourcing and treating timber for generations. Our treated timber range is one of the most comprehensive in the region.
Starting back in 1860 Job Earnshaw worked falls of timber near Wakefield, founding a small sawmill at Midgley. While the company has adapted and changed over the years, we have built on years of timber merchant experience to be true experts in our field.
From stock, we supply a wide range of treated timber products including fence posts, sleepers, pales, featheredge boards, rails, timber cladding and structurally graded material. We also offer larger section beam timbers for architectural use and bespoke runs of sawn timber.
We run our own in-house delivery service to ensure our bigger, bulkier products can make it to your garden!
For more information on treated timber please contact our sales and advice team on 01924 830055 or visit one of our fencing centres at Midgley (between Wakefield, Barnsley and Huddersfield) or Brigg in North Lincolnshire.
Sales and advice 
01924 830055
