Thickness — Nominal and Actual. The trick here is understanding what a half inch is in that actual thickness. Please note that this is “fresh fallen snow.” Snow tends to pack down as it accumulates; so if you have snowstorms sufficiently close together that the snow from one hasn’t melted before the next snowfall, the overall weight will be more than 5 lbs. Thickness is the key specification of PLYWOOD. Ecoply DD Structural Plywood F8/F8 H3.2 Treated 9mm 2400 x 120… If you were to measure that sheet with a pair of dial calipers (or digital calipers), you would find that it isn’t exactly that thickness. Uncategorized plywood thickness chart. Anyway, customer is god . Softwood Lumber … It is typically 1 1/8” in thickness. When you inquire or quote for plywood, you must state what thickness you will buy or sell clearly . Appearance: Valued for its appealing light color, Baltic birch plywood features a uniform grain, smooth texture and outstanding durability. When making your selection, you want to avoid misunderstanding what the actual thickness is of any plywood product you buy. While there are a variety of different products that fall into this definition, not all of them fit the description of traditional plywood. Nominal Thickness and Actual Thickness are different. Be sure to test board combinations that you are not familiar with. For example, OSB is manufactured in sheets up to 24’ long. In China, we use metric system in sale and production of plywood / film faced plywood / blockboard . Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. The applicable section properties (Table C) can be divided into load capacity to determine design strength and stiffness. Roof load requirements for a home built in Alaska, where they get much more snow, are a much bigger issue than they are for Florida. Softwood plywood typically used for rough framing comes in 4 x 8 feet (1220 x 2438 millimeters) sheets. Of these two standards, the UBC is older and has to a large part been replaced by the IBC. For example, some factories’ 4mm plywood is 3 plies, but some factories’ 4mm plywood is 5-ply . Nevertheless, we can gain some insight into the strength of different thicknesses of plywood by looking at the requirements in the building code. Since they are listing it in 32nds of an inch, we need something that is about half of that, or 16/32. Roof Sheathing Thickness. BIRCH . E-mail:  info@plywood.cc mason.woodchina@gmail.com The most common thickness of plywood is 1/2-inch, but plywood thickness can range from 1/8-inch to 3/4-inches. It’s important to invest in quality plywood. The use of screws or adhesive to hold plywood parts together on a project will eliminate the risk of the fasteners loosening up from cycles of absorbing moisture and drying. Please note that even the “actual thickness” isn’t a perfect dimension, but an approximation. The difference between Nominal Thickness and Actual Thickness is called thickness tolerance. In many cases, the selection of a particular thickness of plywood is based more upon the convenience of using that thickness of plywood for the work being done, than anything else. The precise thickness of the panel is a major factor in the weight. These often aren't the actual thicknesses, however, because sanding during manufacturing removes up to 1/32 inch of material. A lot depends on what the specific plywood product has been designed to be used for. 32mm . Handbook Canadian plywood is manufactured in We have a wide variety of plywood sizes and variations. While this meets the technical requirements of the IBC, it produces a floor which is more susceptible to flexing, creating squeaks and a “spongy” feeling when walking on it. From 1mm to 40mm in thickness, Plyco offers a range of plywood sheets and plywood panels for use in professional and DIY projects. thanking Also available for utility plywood are sheets that measure 5 feet wide and come in lengths of 6, 8 and 10 feet. So a roof made out of 3/8” softwood plywood, over 2”x 6” rafters spaced every 24” can support 40 inches of snow. Although measures in inches are the most common, some thicknesses are expressed in millimeters, especially for plywood products manufactured in Europe. Unsanded sheathing grade Douglas Fir Plywood (DFP), conforming to CSA O121, and Canadian Softwood Plywood (CSP), conforming to CSA O151, are the two most common types of softwood plywoods produced in Canada. All of Plyco's plywood products are available to pickup from our Melbourne factory or for delivery Australia wide. Therefore, the building code in Alaska may be modified, requiring thicker sheathing and stronger rafters. 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