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Apr 20, 2023 · Thus, the hardwood industry’s standard for indicating lumber size starts with its thickness, expressed as a fraction: 4/4, 5/4, 6/4, 8/4, and so on. This system of naming lumber thickness by quarters was established by the National Hardwood Lumber Association, an organization founded in 1898 to develop a uniform system of grading rules for the inspection and measurement of hardwood lumber.
- What Is 4×4 Lumber?
- Why You Should Inspect 4×4 Lumber
- How to Inspect 4×4 Lumber
4×4 lumber is an essential building block of construction, most commonly used as posts in the framing of houses, sheds, and many other structures. Like most lumber, 4×4 lumber gets its name from its dimensions. Depending on the demands of your particular project, 4×4 lumber can be purchased both treated and untreated. Just keep in mind that a treat...
If you need 4x4s (or any other large posts, really) inspect them first. Why? Many of them, especially 8-ft. posts, come from logs used for veneer, which is peeled from the logs like paper towels from a roll, leaving only the very center of the log. The center “pith” is the least stable part of the log and is very prone to twisting, splitting and bo...
Examine the stack of posts at the home center and reject the posts with end grain that looks like a bulls-eye. Choose the straightest posts you can find, with the least amount of center pith.
Sep 22, 2022 · 4/4 means approximately 1″ thick 5/4 means approximately 1-1/4″ thick 6/4 means approximately 1-1/2″ thick 8/4 means approximately 2″ thick 12/4 means approximately 3″ thick. But there’s more. To know what the actual measured thickness is, you need one more identifier such as S2S or RGH.
Jun 20, 2024 · When choosing 4/4 wood, look for straight and consistent grain patterns, as well as high-quality wood with minimal defects. Hardwood Vs. Softwood Considerations. When choosing 4/4 wood, it’s essential to consider the differences between hardwood and softwood.
Jul 11, 2023 · What to Consider When Choosing Pressure Treated Lumber What is a Peeler Core? Pressure-treated 8-ft. 4x4s are typically made from “peeler cores,” which are the byproduct of plywood production. When a log is turned on a lathe to produce plywood veneer, the center that remains, called the peeler core, is used as a 4×4 post.
Rough lumber is sold and measured in ¼” increments; when a board is referred to as 4/4, it means it is four quarters of an inch thick, or one inch. The most common sizes you are likely to encounter at the lumber yard are 4/4 (1″), 6/4 (1½”), 8/4 (2″) and 12/4 (3″). Generally, larger dimension lumber is priced per board foot.
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Jun 13, 2019 · Ever wonder why a “4/4” board, is actually closer to 3⁄4" instead of 1"? The reason is that rough boards are a true 1" thick when cut at a mill, but most lumberyards surface both faces to end up with a board that’s smoother and looks nicer. The result is that the actual thickness of the board is less than its “nominal” thickness.
