For many of us, the moment we learned that a 2×4 board is actually 1.5 inches x 3.5 inches was simply mind-blowing. The reason for this apparent contradiction is that the board has been planed down to eliminate irregularities. At one point, many years ago, 2x4s actually were 2 inches x 4 inches, but their rough surfaces made them difficult to stock and handle. The old terms, such as 2×4 or 4×4, are still used, and are known as the “nominal” size of the board. These nominal sizes are used because they are easier to say and they stick to tradition. Now, thanks to a lawsuit, most big box stores list the nominal and actual sizes of lumber.
Finally, as I shared in my post last week on how I learned woodworking, I learned how to use power tools by watching YouTube videos and then just trying them out for myself. I highly recommend this method to learn how to use your power tools. There are lots of videos on specific models of tools too. So, watch a few how-to videos and very importantly, review the tool manual and safety guide for your own tools. Then, go ahead and try the tool out yourself and start using it!

Second, learning how to read lumber dimensions, like knowing what 1×2 or 2×12 actually means, is really important. Understanding softwood lumber dimensions will help you to read woodworking build plans, shop for lumber, and understand the general measurements for your projects. I’ve provided a simple explanation to lumber sizes along with a free lumber size chart printable here!

There are a few things particleboard is NOT. It’s not medium density fiberboard (MDF)—a material with greater density and weight composed of more uniform particles. It’s NOT oriented strand board (OSB), a material composed of large wood chips and strands that’s structurally equivalent to plywood. It does NOT have great nail or screw holding ability, nor is it all that water resistant; water can quickly cause the material to swell and lose structural integrity. But if you need something flat and cheap for use in a dry place, particleboard will do you proud. Learn how to make a plastic laminate tabletop with a particleboard substrate.

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