Standard plywood thickness pdf

Hardwood plywood thickness item size grade core detail. Design should be based on the value in boldface for each combination of thickness and span rating, unless another layup is specified and available. Plywood thicknesses thicknesses unsanded thicknesses sanded select tight face, select and sheathing good two sides and good one side metric mm approximated imperial in. Plywood sheets birch, marine grade plywood bulk buy. Commonly square edge, but may be produced with tongue and groove edges. The higher the grade the better quality you should expect. Forestry certification plytanium plywood panels are made from wood sourced through a system that is thirdparty certified to the sustainable forestry initiative procurement standard. To produce panels under prescriptive standards, a mill used wood of a certain species, peeled it to veneer of a prescribed thickness, then glued the veneers.

Hardwood plywood is considered to be an appearance product, as opposed to softwood plywood, which is considered a structural material. Commercial standards, each covering a different species of plywood. However, if youre not an experienced plywood shopper, the numerous options at the hardware store can seem overwhelming youll find various prices matched with multiple materials, ply, sizes, veneers, grades, and more. Browse our range of trade standard plywood boards such asstructural hardwood plywood, shuttering plywood or selex structural plywood. As required by voluntary product standard ps 1, the minimum hdo overlay thickness before pressing is 0. Handbook canadian plywood is manufactured in several sizes and thicknesses as shown in table 4. Dfp is produced to the manufacturing standard csa o121 douglas. Subfloor panels should conform to should conform to u. Plywood that looks nice, in a species such as cherry, oak or walnut, is graded and priced mainly on the quality and thickness of the face veneer. Ps 183 establishes requirements for producing, marketing and specifying construction and industrial plywood. Foreword voluntary product standard ps 109, reproduced in the following pages, provides expanded and updated requirements for producing, market ing, and specifying plywood for construction and industrial uses.

Apatrademarked plywood is suitable for a variety of end uses including subflooring, singlelayer flooring, wall and roof sheathing, sheathing ceilingdeck, structural insulated panels, marine applications, siding, webs of wood ijoists, concrete forming, pallets, industrial containers, mezzanine decks, and furniture. This standard covers the wood species, veneer grading, adhesive bonds, panel construction and. With more than a dozen common thicknesses and over twenty different grades, plywood is wellsuited to a multitude of demanding applications. Austral plywoods is the only manufacturer of marine plywood that complies with australian standards. The plywood manufactured in india is of standard sizes and thickness. Plywood thickness usage for sheathing heres a chart to help you decide what thickness to use. While originating as a prescriptive standard, the 1983 version added performancebased provisions as an alternative method. Though the metric system has largely been adopted in india, the prevalent practice in the plywood market is still to manufacture and sell the boards based on cost per sq.

Marine plywood manufactured to asnzs 2272 2006 has a permanent type a phenolic bond. Mdf medium density fiberboard composite panel thickness. Typical size is 4 ft x 8 ft, but other sizes may also be produced. Click and collect in 1 hour or enjoy free uk delivery on orders over %pound. Individual plies in such layers shall conform to the species group and grade requirements for inner plies of the panel grade. It was approved on behalf of the council of standards australia on 2 october 2012 and on behalf of the. A standard sheet measures 4 by 8 feet and comes in a range of thicknesses, with specialty sizes also available. The thickness needed for subflooring depends on the type of floor that will go on top and the primary purpose for the subfloor.

For manufacturing marine plywood of higher thickness, manufacturing capacity and infrastructure required is more critical than plywood with less thickness. The most common thickness of plywood is 12 inch, but can range from 18 inch to 34 inches. Oct 22, 2017 what is the actual thickness of a sheet of plywood. Voluntary product standard ps 1, structural plywood, is a consensus standard that originated in 1966 when it combined several preced ing u. Snap a picture of an item you like and well show you similar products. Columbia forest products ansihpva hp12009 standards. Plywood and particleboard range of sizes and thicknesses is increased. Veneer for inner plies can be any one of 21 listed species, including douglas. A dial gauge could replace the transducer for manual reading. Find products fast with image search in the home depot app. American national standard for hardwood and decorative. We take the mystery out of the plywood grading system and show you what you will get in each grade.

Siding span is a span rated plywood panel intended to. Voluntary product standard ps195, construction and industrial plywood andor us voluntary ps 204 andor. Lower grades of plywood have moreand voids in the inner layers, so itness is quitecosts possible to rip tnuts rightsheathing. Plywood comes in a variety of thicknesses, beginning at 18 inch and increasing to 1 inch.

There are different types of plywood based on their thickness. January 1997 plywood design specification apa the engineered wood association pse fr prgm lbl clear reg hyp x i i b pr rtn r bst rnd hyp 1 sin 1 cos 1 x 2 ln log % on. It is usually used in areas that are hidden from view in a postconstruction capacity. Lower grades of plywood have moreand voids in the inner layers, so itness is quitecosts possible to rip. Lineal foot material is priced per running foot, according to width and thickness.

This standard specifies the requirements of such plywood for use in concrete shuttering and form work and provides guidance in the manufacture and use of the plywood. Mdf medium density fiberboard for cabinets tap to call dsi. Plywood manufactured by apa member mills is available in a wide variety of appearance grades, ranging from smooth, natural surfaces suitable for finish work to more economical grades used for sheathing. The bs 1088 standard is a marine plywood specification that applies to plywood made from untreated tropical hardwood veneers that have a stated level of resistance to fungus growth. Construction and industrial plywood, ps 2, performance standard for woodbased structuraluse panels, or an. Plywood proves indispensable in the building and cabinetry trades, so carpenters, cabinetmakers and home hobbyists alike must be familiar with the standard sizes in which it is available. Many hardware stores sell precut plywood in 2x2, 2x4 and 4x4 sizes. Plywood is a necessity for many projects, from building cabinetry in the laundry room to building your dream gazebo in the backyard. In the second revision, the major changes incorporated were.

Always follow the wood flooring manufacturers recommendation for a proper subfloor. From blemishfree and sanded smooth to gaping spaces around knots and cracks, each grade of plywood has different characteristics. Just as construction lumber nominal sizes differ from actual dimensions, the same is true of plywood sheet goods. Tolerance for utilitygrade thickness is 2 inch, and for cabinetgrade plywood, 164 inch. This standard does not describe other established special requirements for export pallets and does not address the safety problems, if any, associated with the use of wood pallets. How to build a home bouldering wall metolius climbing. Standard plywood, symmetrical about the centre ply, is used for most structural sheathing applicaons. Even slight variations between panels will telegraph through a high gloss flooring surface, particularly against natural backlighting. Plywood properties studied and the corresponding standards. These extra long lengths are generally for use in homes with extra high ceilings. Standard, tolko tply sheathing crafted from premium douglas fir and canadian softwood species, tolko tply squareedge plywood panels have the quality you want, at the price you need. The most commonly used softwoods for manufacturing plywood are firs and. The nominal thickness of birch and conifer veneers is 1. It is the responsibility of the user of this standard to establish appropriate safety and health practices and.

A quality certification program is provided whereby qualified testing agencies inspect, sample, and test products identified as complying with this standard. This standard was first published in 1969 and revised in 1981 and 1990. Dsi distributes commercialgrade mdf medium density fiberboard for cabinet and furniture building to customers in dsi pittsburgh, pa, dsi cleveland, oh, dsi millersburg, oh, dsi columbus, oh, dsi cincinnati, oh, dsi detroit, mi, dsi louisville, ky and dsi indianapolis, in. We set out the 18 different types of plywood here by ply, wood type as well as other wood sheets made from other materials. The standard establishes requirements, for those who choose to adhere to the standard, for the principal types and grades of structural plywood and provide a basis for common understanding among producers, distributors, and users of the product. The convention to indicate grain direction is used whereby the first dimension shown is the direction of the surface veneer grain. For a standard fourbyeightfoot plywood panel, the facegrain direction is. The weight of a plywood sheet will proportionally increase with increasing in width, length and thickness. One of the most effective means of preventing racking is to add a 14 inch plywood back that is rabbeted and tacked to the shelves. The most common uses for plywood include support for floors, walls, roofs and garages in residential construction. Plywood is available in thickness ranging from 3mm to 25mm as 3 to 9, 12, 15, 16, 19, 22, and 25mm. Plywood structural under the paajasanz accredited third party audited, process based, quality assurance program, and that the plywood will be predictable and reliable making it fit for purpose in this engineered application. Pdf properties of two different thicknesses 3ply plywood of treeof. Plywood thickness nails length, diameter screws gauge, root diameter, length steel thickness approx.

What is the actual thickness of a sheet of plywood plywood is often sold in 1 4, 1 2, or 3 4 nominal thicknesses, but the actual thickness is often 1 32 thinner. Sanded nominal thickness 14 38 12 58 34 118 actual thickness 1 4 12 1532 1932 2332 11 8 approximate weight per 4x8 sheet 22. Department of commercenational institute of standards and technology voluntary product standard ps 1. Standard thicknesses include 1932, 58, 2332 and 34 in standard 4 x 8 sheets. Marine plywood can be graded as being compliant with bs 1088, which is a british standard for marine plywood and is. Pdf threelayered plywood panels are widely used for packing cases, furniture. Choose the right plywood popular woodworking magazine. Canadian plywood is manufactured in several sizes and thicknesses as shown in table 2 and table 3.

Page page 2 pagee a122345653367890222446053658 egg12 230660882 2 2 1230653767085 42a2302p22 e2 g2983 lp conns composite core consists of wood veneer inner plies with mdf or mpx. 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. Green building programs see our plytanium plywood sustainability fact sheet available at. And the whole 4 x 8 sheet will be approximately 84 lb. It is also available in a metric size of 1200 x 2400mm. The frame and plywood panels form a wall structure with precise dimensions and rigid structure, which is quick and easy to line and insulate. Also, larger length plywood can often be found at builder supply stores in 4x10 or 4x12.

There are few international standards for grading marine plywood and most of the standards are voluntary. Increase fire resistance by using suitable fire resistant insulation materials, like aquafire. Metric panel thicknesses have been selected so that straight subs tu ons can safely be made for standard sheathing applica ons. Included in this standard are test methods to determine compliance and a glossary of trade terms and definitions. It is an extensive document which details all characteristics of the plywood.

It has a type a wbp phenolic bond glue and is manufactured from woods based on density, bending strength, impact resistance and surface finishing characteristics. Different rules and grades are used for different types of plywood. Softwoods generally correspond to coniferous species. The framing must be designed to carry the horizontal forces to and from the plywood. Parallellaminated inner layers in any grade shall consist of veneers 1. Most plywood products suitable for use in woodworking projects are marketed as 14inch, 12inch, 58inch, or 34inch thicknesses, but its important to realize that these are nominal sizes, not actual dimensions. Other methods include a diagonal back brace, corner blocks, and support cleats on the top and bottom of the unit. The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. Marine plywood manufactured to asnzs 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. Even though with all variation often 34 19 mm nominal 2332 thickness tongue and groove flooring boards will be allowed to use as a rough subfloor according to building codes. Details the specific requirements for all face, back, and inner ply grades as well as formaldehyde emissions, moisture content. Plywood is often sold in 1 4, 1 2, or 3 4 nominal thicknesses, but the actual thickness is often 1 32 thinner. Table 1 effective thickness for typical unsanded ps 1 plywood constructions12 nominal plywood thickness in. Indian standard specification for commercial common and moisture proof plywood tentative is 303.

Lumber sizes and measurement what is the actual size of. Standard panel sizes standard panel thicknesses 1220mm x 2440mm 4mm, 6. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. Product standard ps 2 performance standard for woodbased structuraluse panels apa prp108 performance standards and policies for structuraluse panels 4. Apa rated sheathing panels are produced as plywood or oriented strand board osb. Hdo plywood is bonded with 100 percent waterresistant glue and has inner ply construction of c or cplugged grade veneer.

Plywood design specification trio forest products, inc. Its size tolerances especially for thickness are smaller that those for the utilitygrade plywood used in the building trades for roof and wall sheathing, subfloors and generaluse purposes. In the second revision of the standard, namely, is 303. Softwood plywood typically used for rough framing comes in 4 x 8 feet 1220 x 2438 millimeters sheets. With the exception of plyron and some apa performance rated panels, all of the other plywood grades described in this guide are produced under the provisions of u. The hardwood plywood and veneer association hpva is an ansiaccredited standards developer that works through its participating membership and other interested outside parties to develop a voluntary standard for hardwood and decorative plywood under due process guidelines set forth by the american national standards institute ansi. Featuring the same high quality as our standard sheathing, our select grade offers a smoother faced structural grade panel thats both strong and stable. Handbook canadian plywood is manufactured in several sizes and thicknesses as.