There are a few reasons why the actual thickness of plywood varies. First, wood shrinks as it dries and moisture leaves the wood. This means that a sheet of plywood that started at 3 / 4 " may shrink slightly after manufacturing. Plywood also uses glue to hold the various sheets together. Plywood sheets are available in various thicknesses ranging from 1/8" to 1-1/4", with 3/8" to 3/4" being the most commonly available thicknesses. These plywood sheets are available in grades, with A-grade being the best quality plywood and D-grade being the lowest quality option.
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For instance, if a woodworker is building a bookshelf where a 3/4" plywood shelf is placed into a dado cut into the shelf standards, there will be a very noticeable 1/32" gap, and the shelf will feel a bit sloppy in the dado. To combat this, the dado should be cut at 23/32" to ensure a proper fit. :thumbsup: bill The actual panel thickness is typically about 1/32" less than the nominal thickness. The Table below identifies the nominal and actual thickness of plywood available from different North American mills. It should be noted, though, that not all are readily available at most suppliers, nor are they all manufactured by every mill. The most common measurement for plywood is the thickness, which can vary from 1/8 inch to 1 1/4 inch. However, there are other measurements to consider, such as the length and width. The standard size for plywood sheets is 4 feet by 8 feet, but they can also come in larger or smaller sizes depending on your needs. The actual thickness of a sheet of plywood labeled as 3/4 inch can vary due to a number of factors, including the type of wood, the manufacturing process, and any finishing treatments. In most cases, a sheet of plywood labeled as 3/4 inch thick will measure slightly less than this nominal thickness.
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Watch on The actual size of 3/4 inch plywood is actually 23/32 inches thick, which is slightly thinner than the nominal 3/4 inch size. Plywood is typically sold in 4-foot by 8-foot sheets, and most sheet goods are slightly smaller than their nominal size specifications. To combat this, the dado should be cut at 23/32 inch to ensure a proper fit. All fine cabinetry and woodworking projects need to take into account the differences between nominal and actual measurements of plywood and other wood boards. Many retailers now label plywood products with the actual thicknesses, as well as the nominal thicknesses. Sheets of plywood available in different sizes and actual width, length and thickness depend on manufacturer's product line and plywood type. But most local retailors offer only a few standard sheet dimensions which typically 4 feet in width and 8 feet in length or smaller as a stock option. Get free shipping on qualified 3/4 Plywood products or Buy Online Pick Up in Store today in the Lumber & Composites Department.. 44 Results Nominal Product Thickness (in.): 3/4. Get It Fast. In Stock at Store Today. Next-Day Delivery. Availability.. Handprint 3/4 in. x 2 ft. x 4 ft. Sande Plywood (Actual: 0.709 in. x 23.75 in. x 47.75 in.
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The standard thicknesses for plywood are 1 ¼, 1 1/8, ¾, 5/8, ½, 3/8, ¼, and 1/8 inches. The corresponding actual thicknesses are 1 ¼, 1 1/8, 23/32, 19/32, 15/32, 11/32, 1/4, and ⅛, respectively. This takes into the effect of sanding throughout the process of manufacturing the plywood for each of these sizes. Size Tolerances Plywood is usually sold in 4 x 8-foot sheets. The most common nominal thicknesses of plywood are 1/2 inch and 3/4 inch, but once again the actual sizes are slightly different. A sheet of 1/2-inch plywood is really 15/32 inch thick, while a 3/4-inch sheet is 23/32 inch thick. Plywood is graded so that each face receives a grade of A, B, C, or D.
The plywood thickness and dimensions are subject to a tolerance by international standard. Besides the standard, buyer and sellers can define the thickness tolerance in a specific sales contract.. Minimum Actual Thickness; 3.0 mm: 3-ply +0.3/-0.4: 2.6 mm: 4.0 mm: 3-ply +0.3/-0.5: 3.5 mm: 6.5 mm: 5-ply +0.4/-0.5: 6.0 mm: 9.0mm: 7-ply +0.4/-0.. 168 products in 4-ft x 8-ft Plywood & Sheathing Common Thickness Measurement: 3/4-in Common Thickness Measurement: 1/2-in Common Length Measurement: 8-ft Common Thickness Measurement: 1/4-in Common Thickness Measurement: 23/32-in Plywood Pickup Free Delivery Fast Delivery Sort & Filter (1) Common Measurement (W x L): 4-ft x 8-ft
Plywood Sheet Actual Thickness
Plywood is often sold in 1/4″, 1/2″, or 3/4″ nominal thicknesses, but the actual thickness is often 1/32″ thinner. Because the actual thickness may vary, measuring the plywood sheet using a caliper is the only accurate way to determine its thickness. We need to keep two very different thicknesses and definitions in mind when discussing plywood; that nominal and actual plywood have different thicknesses.
