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175mm x 75mm Sawn (Treated)
£31.45
MPNS48175075
Prices updated 10 Jul 2026
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David Musson Fencing
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£31.45
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Product Description
7x3 Timber: The Ideal Choice for Heavy-Duty Outdoor Projects
175mm x 75mm, often referred to as a 7x3 timber beam, is a substantial and versatile option in outdoor timber. Used widely across landscaping and construction projects, this timber size provides excellent strength, making it well-suited for jobs that need to support significant weight or endure heavy use. Here’s what you need to know about using this timber size, along with some of its most common applications.
pressure treated 'green', these timbers are as at home in outdoor applications as they are indoor. Maintaining these timbers by periodically treating after installation, if using outdoors, ensures strength in structures built with this material.
Common Uses of 175mmx 75mm or 7x3 Timber
This size timber is used across various projects, from landscaping to construction, due to its strength and durability. Some popular applications include:
Decking Frames:
Ideal for building a sturdy deck frame, the 7x3 timber size is often chosen for its ability to support the weight of decking boards and people without sagging.
Pergolas and Gazebos:
The thickness and width make these timbers a great choice for constructing outdoor structures that require strong load-bearing beams.
Garden Edging and Retaining Walls:
This timber size is ideal for raised garden beds or low retaining walls, providing a substantial edge that can contain soil, gravel, or other materials effectively.
Support Beams for Sheds and Outbuildings:
For sheds or other garden structures that need a strong foundation, 175mm x 75mm beams can create a stable base.
For projects that need strength, durability, and resistance to wear, 175mm x 75mm timber is a reliable and affordable option. Whether you're building a deck, constructing a pergola, or creating raised beds, this timber size offers a balance between manageability and strength, making it a popular choice in heavy-duty landscaping and construction projects.
Please note: Timber is a natural product. Finish, colour and sizes may vary from illustration and description. While every care is taken to provide you the best material, with it being natural it can move, split, warp, twist, swell and shrink.
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