That means a 2 x 4 board is actually 1-1/2 inches by 3-1/2 inches. During this process, it shrinks as the moisture in the wood is removed and the wood cells shrink. The larger 2x boards (2x8, 2x10, etc.) lose 3/4 inch in width. The larger 1x boards (1x8, 1x10, etc.)

Hmm. 2x4 and 2x6 boards lose 1/2 inch in thickness and 1/2 inch in width before leaving the mill. So, a framed wall built using 2 x 6 lumber measures 5 1/2 inches thick, but with a 1/2-inch piece of drywall attached to the wall, it then becomes a 6-inch thick wall.Here is a convenient chart of nominal dimension lumber sizes and their actual dimensions:Chris is a freelance writer who specializes in woodworking, designs his own projects, and is experienced in commercial carpentry.Understanding Actual vs. Nominal Lumber Sizes,Building a Jointer Jig for Your Table Saw,Understanding Board-Foot Pricing for Hardwood Lumber.Why is a 2x4 Actually Only 1-1/2" x 3-1/2" in Size?Using SPF Dimension Lumber in Fine Woodworking Projects,Dealing With Expansion and Shrinkage in Woodworking Projects,How to Make Perfect Box Joints With a Table Saw Jig.Get DIY project ideas and easy-to-follow crafts to help you spruce up your space.2 x 4 is actually 1 1/2 inches x 3-1/2 inches. At this point, the 2 x 4 is actually 2 inches x 4 inches, a 2 x 10 is actually 2 inches x 10 inches, etc. The larger 2x boards (2x8, 2x10, etc.) lose 3/4 inch in width.

But then the newly-sawn (but soaking wet) lumber is then kiln-dried until it reaches the desired moisture level. 1x4 and 1x6 boards lose 1/4 inch in thickness and 1/2 inch in width before leaving the mill. Many beginning woodworkers and DIYers are understandably confused by the way lumber products are sized. That means a 1 x 4 board is actually 3/4 inches by 3 1/2 inches. When the board is first rough sawn from the log, it is a true 2x4, but the drying process and planing of … Believe it or not, there actually is some rhyme and reason for why the actual measurements of.Lumber manufacturers typically cut a tree into the various standard types of dimensional lumber very shortly after the tree is felled. That means a 2x10 is actually 1 1/2 inch in … You've just run into the reality of actual lumber sizes as compared to the nominal sizes—the sizes by which they are identified in the store. That means a 2x10 is actually 1 1/2 inch in thickness by 9 1/4 inches.On your next trip to Home Depot or Lowes, take along a tape measure and head over to the dimensional lumber aisles. Hopefully they will take the time to explain exactly what these words mean, which will go a long way towards making you feel more comfortable about buying wood.For starters, you'll need to know that softwood (like pine, spruce, and fir) is measured and sold one way, and hardwood (like oak, maple, and cherry) is measured and sold in a totally different way. lose 3/4 inch in width.

When fly-ash is combined with polymers, it becomes a durable material that’s ideally suited for exterior siding and trim. Hence, what started out as a 2 x 4 now measures 1 1/2 inches x 3 1/2 inches.These numbers can vary slightly, but modern lumber manufacturers are pretty adept at delivering consistently-sized supplies of dimensional lumber. Std&Btr / #2 Btr; 1x4, 1x6, 1x8 2x4, 2x6, 2x8, 2x10, 2x12, 2x14 3x4, 3x6 4x4, 4x6, 4x8, 4x10, 4x12, 4x14 #1 S4S That means a 1x10 is actually 3/4 inch in thickness by 9 1/4 inches.2x4 and 2x6 boards lose 1/2 inch in thickness and 1/2 inch in width before leaving the mill.

This is a very different type of measuring wood when compared to the.Keep in mind that dimensional softwood lumber that is sold at your home center or hardware store is expected to be used primarily for construction projects rather than fine woodworking pieces. Lumber Dimensions. This product is produced from tight knot finger-jointed, Western Red Cedar and is truly unsurpassed when compared to all other exterior trim products. That means a 2 x 4 board is actually 1-1/2 inches by 3-1/2 inches. 2x4s are not actually 2 inches by 4 inches.

Measure the actual width and thickness of a pine board (like a 2x4) and then look at the sign above the rack. It can lead to considerable confusion if you are expecting a 2 x 4 stud to actually measure 2 inches by 4 inches, or if you expect your 1 x 6 board to actually have those measurements. Don't get the two mixed up or you'll really be confused. Rigorously tested in various extreme climates, TruExterior … The measurements by which lumber is sold is virtually never the same as the actual dimensions of the boards when you measure them.So what exactly is going on here? Douglas Fir. TruExterior products are made with fly-ash, a by-product recovered from coal combustion.

Once the drying is complete, the boards are then planed to a standard size. Something doesn't quite match up.If you can stop someone in the store to help explain the inconsistency, they'll start throwing around a few words like "nominal sizes" and "actual sizes" and "softwood lumber" and "hardwood lumber." AbsoluteTrim™ is an engineered, Western Red Cedar trim and fascia product designed to provide years of unmatched performance on your next project.