Best Treated Construction Lumber of 2026
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Treated construction lumber is a popular choice for outdoor building projects, such as decks, fences, and retaining walls. This type of lumber has been treated with chemicals to resist rot, decay, and insect damage, making it durable and long-lasting. Treated construction lumber is available in a range of sizes and grades to suit different building needs. It is important to follow proper handling and disposal procedures for treated lumber, as the chemicals used in the treatment process can be harmful to humans and the environment.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 5 Treated Construction Lumber
4 X 2 Timber C16 Sawn Treated Timber 3MTR
2x2 Treated Timber Wood Outdoor Wood Battens Garden Trellis Fence Fencing Roof Roofing Tile "2 x "2 2"x2"
2x2 Treated Timber Wood Outdoor Wood Battens Garden Trellis Fence Fencing Roof Roofing Tile "2 x "2 2"x2"
Pressure Treated Timber 3 x 2 Inch Timber 1.8 Metre
Pressure Treated Softwood Timber 3" x 1"
Frequently Asked Questions (FAQs)
1. What's the difference between #1 and #2 pressure treated lumber?
The main difference between #1 and #2 is the slope of the wood grain, size, spacing, and the number of knots and holes, and the length of any splits. Construction grade is #1 and Standard is #2. Both can be used for load-bearing purposes or other outdoor applications.
2. What are the different types of treated lumber?
There are two types of treated wood: preservative-treated wood and pressure-preservative-treated wood (pressure treated lumber).
3. What is treated lumber?
Pressure-treated lumber is the result of a process that uses high pressure to inject a preservative into the wood. It's a process that extends the longevity of the wood considerably, adding decades to the life of the material.
4. What is the best grade of pressure treated lumber?
The 5 Pressure Treated Lumber Grades Select structural, or SS, is the highest grade based on durability and strength. Standard grade lumber can be used for joists and other load-bearing applications.
During our treated construction lumber research, we found 5 treated construction lumber products and shortlisted 5 quality products. We collected and analyzed 3,254 customer reviews through our big data system to write the treated construction lumber list. We found that most customers choose treated construction lumber with an average price of £20.00.
The treated construction lumber are available for purchase. We have researched hundreds of brands and picked the top brands of treated construction lumber, including Buildershop UK, Austin Commerce, Atlantic Timber.
Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.