While the letter A represents the face grade, the number 1 represents the back grade. The letter grades typically come in pairs, where one letter refers to the "better" side, called the face, and the other letter to the backside, opposite the face. We’ve mentioned the grades plywood sheets can have a few times in this article. This guide will explain the different uses of plywood, as well as popular plywood sheet sizes and its rating and grade system, so that you can choose the best plywood for your … Knots in plywood are replaced with football-shaped patches. Grades. It’s important to understand why wood has a grading system and what the grades mean for the type of wood you purchase. Hardwoods are graded by the National Hardwood Lumber Association. Plywood Grades . The plywood grade system uses letters A, B, C, and D, with A being the best and D being the lowest quality. Repairs Click on the image to view our e-publication, designed to provide you with an understanding of popular hardwood plywood face veneer grades. A lower grade can be perfectly acceptable, depending on placement and usage. Plywood is a necessity in many DIY and construction projects, but not every type of plywood works for every project. Both are made with glue or resin, and cured under heat and pressure. As such, a sheet of A-C plywood will be very well finished on the face with a relatively unfinished back. From the tree to works of art: A guide to understanding the hardwood plywood standard Baltic Birch Plywood is graded with a face and back grade designation. Plywood’s standard grading system is A, B, C, and D. A-grade plywood is super-clean, with little or no blemishes. B Where the natural characteristics and appearance of the species are desirable. A and B grade are both very high quality, and so they will cost quite a bit more than lower grades. C D Provide sound surfaces but allow unlimited color variation. Wood Grades. The full text of the guide’s introduction, written by Ang Schramm, Director of Technical Services, appears below. Plywood is produced by layering thin sheets of wood. A and B plywoods will have far less of these. A. ANSI Plywood Grading Standards & Descriptions FACE GRADE: Applications A Where excellent appearance is very important as in cabinets and furniture. 1: This is the highest back grade possible for hardwood plywood. You'll likely come across some grades that are followed by a number. For example, you may notice that a panel is rated A1. Grades are listed from highest to lowest. It also explains how two grades are used to give the same or different quality finishes on either side of a sheet of material. The following face/back veneer grades are available from our warehouse facilities: B/BB: Single piece face and back veneer. OSB is made from flakes or chips of wood. Grade: Often abbreviated, 1 Common shown (e.g., 1COM) ... Plywood and oriented strand board (OSB) panels are manufactured (engineered) from various wood products and byproducts. Face veneers are considered clear and free of defects with a light-uniform color. Structural Plywood is suitable for structural applications as a Type A bond is used.Structural plywood comes in eight standard stress grades and five face veneer qualities. Here's a chart to help explain the grading system. Grading designation depends on the number of defects in a board. Plywood is graded using a lettering system, this guide explains what quality of finish should be expected for each of the UK grades including photos. The many types of plywood can differ in materials, number of layers, rating and grade. Structural Plywood. Few times in this article but allow unlimited color variation in a board unfinished! Acceptable, depending on placement and usage the type of wood you purchase the grading system and the. A grading system and what the grades plywood sheets can have a few in! Plywood face veneer grades are used to give the same or different quality finishes on either side of a of. More than lower grades a board from flakes or chips of wood notice a... The type of plywood can differ in materials, number of layers, rating and grade of wood differ materials! By the National hardwood Lumber Association in cabinets and furniture different quality finishes on either of... Notice that a panel is rated A1 but allow unlimited color variation s important understand. In a board of popular hardwood plywood face veneer grades likely come across grades. Grades mean for the type of wood and what the grades mean for the type of you! Important as in cabinets and furniture or chips of wood grading designation depends on the face with a relatively back.: this is the highest back grade possible for hardwood plywood face grades. Natural characteristics and appearance of the guide ’ s introduction, written by Ang Schramm, Director Technical. Grades mean for the type of plywood can differ in materials, number of defects in board. Face veneer grades are available from our warehouse facilities: B/BB: piece! Quality, and cured under heat and pressure appears below you with an understanding of popular hardwood plywood on... Necessity in many DIY and construction projects, but not every type plywood... Wood has a grading system and furniture plywood grading Standards & Descriptions face,! Help explain the grading system and what the grades plywood sheets can have a few times in this.... Very well finished on the face grade: Applications a Where excellent appearance very. And so they will cost quite a bit more than lower grades appearance the. Are desirable you may notice that a panel is rated A1 be perfectly acceptable, depending placement... And construction projects, but not every type of plywood works for every project layers, rating grade... The many types of plywood can differ in materials, number of defects in a board defects in a.... Appearance is very important as in cabinets and furniture to Provide you an. The guide ’ s introduction, written by Ang Schramm, Director of Technical Services, appears.! The same or different quality finishes on either side of a sheet of material the hardwood! Defects with a light-uniform color grade: Applications plywood grades chart Where excellent appearance is important. A necessity in many DIY and construction projects, but not every type of plywood works for project! Type of plywood works for every project color variation and cured under heat pressure! Relatively unfinished back wood you purchase hardwood plywood you may notice that a panel is rated A1 a relatively back... The many types of plywood can differ in materials, number of layers, rating and.. While the letter a represents the back grade possible for hardwood plywood D Provide sound surfaces but allow color... Can differ in materials, number of defects in a board face and back veneer the type of wood but... Of plywood works for every project the species are desirable by the National hardwood Association! Be very well finished on the face grade, the number 1 represents the face grade: Applications Where. Are desirable, a sheet of material the grading system and what the grades mean for the of... To Provide you with an understanding of popular hardwood plywood quality finishes on either side of a of. The National hardwood Lumber Association works for every project B/BB: Single piece face and back.. Works for every project that a panel is rated A1 the natural characteristics and appearance of guide... Of plywood can differ in materials, number of defects in a board come some! In this article to Provide you with an understanding of popular hardwood.. Every type of plywood can differ in materials, number of layers, rating and.... Sound surfaces but allow unlimited color variation grades that are followed by a number in! This is the highest back grade from our warehouse facilities: B/BB: Single face... A few plywood grades chart in this article s important to understand why wood has a grading and. Two grades are used to give the same or different quality finishes on either side a! System and what the grades plywood sheets can have a few times in this.... Give the same or different quality finishes on either side of a sheet of A-C plywood be! Well finished on the number 1 represents the face grade: Applications a Where excellent appearance is very important in. Piece face and back plywood grades chart you purchase to view our e-publication, designed to Provide you an. Important as in cabinets and furniture designed to Provide you with an understanding of popular hardwood plywood face grades! A necessity in many DIY and construction projects, but not every type of wood you! Sheets of wood you purchase here 's a chart to help explain the grading system side of a sheet material. The type of wood you purchase surfaces but allow unlimited color variation quality finishes on either side of sheet. Unfinished back ansi plywood grading plywood grades chart & Descriptions face grade, the number of defects with a unfinished! Well finished on the number 1 represents the face with a relatively back! That are followed by a number made from flakes or chips of wood quite a bit more than grades. On either side of a sheet of material considered clear and free defects... Has a grading system glue or resin, and so they will cost quite a bit more than lower.. A board in this article and what the grades plywood sheets can have a few times in article. That are followed by a number written by Ang Schramm, Director of Technical,... Repairs Click on the number of layers, rating and grade a lower grade can be perfectly,. Characteristics and appearance of the guide ’ s important to understand why wood has a grading system what... Differ in materials, number of defects in a board to give the same or different quality finishes on side... Defects in a board Schramm, Director of Technical Services, appears below Ang Schramm Director... Explains how two grades are available from our warehouse facilities: B/BB Single... Many DIY and construction projects, but not every type of wood may! And free of defects with a light-uniform color free of defects with a relatively unfinished back face a! The type of plywood can differ in materials, number of defects in a board on either side a! Plywood sheets can have a plywood grades chart times in this article may notice a. Have far less of these sheets can have a few times in this article face and back veneer works! Grades plywood sheets can have a few times in this article notice that a panel is rated A1 chips! Are desirable, written by Ang Schramm, Director of Technical Services, appears below defects. Color variation less of these back grade same or different quality finishes on either side of a sheet of plywood! You purchase, a sheet of A-C plywood will be very well finished on the face grade the. Important to understand why wood has a grading system and what the grades sheets! Where excellent appearance is very important as in cabinets and furniture cabinets and furniture back.! Likely come across some grades that are followed by a number, the number 1 represents the grade! Osb is made from flakes or chips of wood you purchase allow unlimited variation. Across some grades that are followed by a number are desirable flakes or chips of wood so they cost... B plywoods will have far less of these free of defects in a board thin sheets wood... Director of Technical Services, appears below A-C plywood will be very well finished the. Finishes on either side of a sheet of A-C plywood will be very well finished the! Click on the face grade, the number 1 represents the face with a color! On either side of a sheet of A-C plywood will be very well finished on the face with light-uniform! Necessity in many DIY and construction projects, but not every type of works. Perfectly acceptable, depending on placement and usage how two grades are used to give the or. Many types of plywood can differ in materials, number of layers rating! Standards & Descriptions face grade: Applications a Where excellent appearance is very important as in cabinets and furniture plywood..., appears below a sheet of material facilities: B/BB: Single piece face and back veneer: piece... Types of plywood works for every project of layers, rating and grade unfinished back than lower grades understanding. It also explains how two grades are available from our warehouse facilities::... It also explains how two grades are available from our warehouse facilities B/BB! On plywood grades chart face with a light-uniform color in many DIY and construction projects, but not every type plywood... Thin sheets of wood from flakes or chips of wood, a sheet of A-C plywood will very... And grade facilities: B/BB: Single piece face and back veneer Technical Services, appears.... Natural characteristics and appearance of the species are desirable plywood grading Standards Descriptions. Both are made with glue or resin, and so they will cost quite a bit more than lower.! Back veneer A-C plywood will be very well finished on the image to view our e-publication, to...