exterior plywood definition

Plywood is sold in various ratings, grades and sizes. In contrast, marine-grade plywood is ultimately is made for complete immersion in water, though many people do not necessarily need this level of protection. Douglas fir or pine trees are the most common source for exterior grade plywood. Exterior plywood is glued together with adhesives that are meant to survive in wet or moist areas. As a result, some plywood manufacturers now use low formaldehyde-emitting glue … Exterior – Bond Class 3. Numerous hardwood species are also available in exterior varieties. Other options for covering the exterior plywood surface is to use some sort of siding or other cover material that masks the ugly but efficient wood underneath. Exterior Grade Plywood. You can also choose various kinds of wood for exterior plywood, depending on the area in which you live. The glues used in exterior plywoods are much more resistant to moisture than interior plywoods. While perhaps not as harsh an environment as on a boat, depending on where the structure is situated exterior plywood can take quite a beating. After the hurricane there was a severe regional shortage of plywood, especially exterior plywood. It is an engineered wood from the family of manufactured boards which include medium-density fibreboard (MDF) and particle board (chipboard). Bond Class 3 glue line according to EN 314-1 and EN 314-2. WBP glues are made with melamine or phenolic resin. plywood. Plywoods are produced using bonds. A plywood subfloor generally uses 1/2-inch to 3/4-inch-thick sheets of plywood that have one rough side (which faces down) and one smooth side, which faces up. Wood - Wood - Plywood and laminated wood: Plywood and laminated wood are both made of layers (laminae) of wood glued together. Each sheet will have two grades, such as AC. This article by Dr Vic Kearley of TRADA seeks to clarify the situation and outline improvement actions that are underway.. Plywood for Exterior use is also available but may be less cost effective as both the resins and the wood veneers within the product must be durable in the long term. Plywood Ratings . So one side of the plywood is C-rated and the other side is D-rated. Search exterior grade plywood and thousands of other words in English definition and synonym dictionary from Reverso. What does plywood mean? Hardwood plywood can cost about as much as an equal quantity of solid hardwood, depending on grade and appearance. Plywood – Classification by surface appearance – Part 5: Methods for measuring and expressing characteristics and defects (May 1999). Etymology: ply + wood. Plywood bonds – EN314-2. Definition of plywood in the Definitions.net dictionary. Bond classification is Exterior. The marine plywood is only available in A-A grade. There is some confusion among specifiers concerning the properties of "exterior grade" plywood. See more. Standard exterior plywood is permitted to have knots on the layers in between the two veneers. This allows water to settle in between the layers and can lead to early decay in the plywood. It is the strongest, toughest and the best quality plywood … It is a common material due to its durability and power. In plywood, WBP stands for Weather and Boil Proof, the category of glue used to make the most durable plywood. 7. Covers APA plywood grades: C-C (CCX) ; A-C (ACX) ; B-C (BCX); Sturd-I-Floor and C-C plugged. Plywood forms of various layers of wood (called plies or veneers) glued together. In the second piece of concept art, the panels have lost enough definition to throw some doubt at to the presence of solar panels in the final product. It’s many uses in our day to day life and almost everything we see around us form of plywood. This creates a much more stable and structurally sound sheath that can be used over the exterior. Plywood definition is - a structural material consisting of sheets of wood glued or cemented together with the grains of adjacent layers arranged at right angles or at a wide angle. From highest quality to lowest, here’s what to look for with grades of plywood… Veneer definition, a thin layer of wood or other material for facing or inlaying wood. plywood (usually uncountable, plural plywoods) (uncountable) Construction material supplied in sheets, and made of three or more layers of wood veneer glued together, laid up with alternating layers having their grain perpendicular to each other. However, because of its low-quality exterior, CDX plywood is not often used for pieces of furniture that require a … A sanded plywood panel with A-grade face and back plies and C-grade inner plies. It’s made up of several thin layers of wood, or plys, which are laid in opposite directions to one another. This European Standard specifies the requirements for plywood for general purposes or structural application in dry, humid or exterior conditions. Some plywoods have a third letter, X, that designates them for exterior use. plywood (Noun) A specific grade or type of this construction material. Exterior Plywood . To be considered exterior grade or marine grade, plywood must be made with WBP glue. The plywood is made out of waterproof glue and is treated under intense pressure. Plywood is a material manufactured from thin layers or "plies" of wood veneer that are glued together with adjacent layers having their wood grain rotated up to 90 degrees to one another. While OSB (Oriented Strand Board) is generally cheaper than plywood, it is heavier and not as stiff as plywood and can result in soft squeaky floors under weight.The biggest complaint against OSB is that it doesn't handle moisture very well so it is more suited for indoor use. Finally laminated plywood is an excellent option when you are in need of using plywood board that will see a lot of weather exposure. Plywood Glues - Some consumer advocate groups are concerned about the possible health hazards of adhesive chemicals used in plywood—especially urea formaldehyde and phenol formaldehyde. CDX Plywood: CDX plywood is produced by gluing together sheets of veneer, with each layer being glued the opposite grain to the one below it. This means that OSD is the perfect choice for applications such as exterior wall sheathing and roofing. The types of bonds used are based on whether the plywood is for use in dry, humid or exterior conditions. Plywood Sheathing Image Credit: peacocklumber.ca. Plywood is a frequently used material for external structural sheathing. These uses are designated Hazard Class 3 in terms of the risk of biological attack (mould, stain, decay). AC plywood is a building material constructed out of slender wood sheets pressed together. The basic difference is that in plywood the grain of alternate layers is crossed, in general at right angles, whereas in laminated wood it is parallel. STRUCTURAL PLYWOOD VOLUNTARY PRODUCT STANDARD PS 1-09 National Institute of Standards and Technology U.S. Department of Commerce This is the most common type of plywood, readily available at home centers. 3. Meaning of plywood. How to use veneer in a sentence. ... After the hurricane there was a severe regional shortage of plywood, especially exterior plywood. Veneer definition is - a thin sheet of a material: such as. The result is a wooden sheet that is Once again, nearly all grades are available, with A-C, B-C, and CDX the most common. Exterior plywood sheets typically have several veneers glued together, classifying them as multi-ply. Here’s a look at the construction site today, and the application of plywood on the first row of what we assumed would be solar panel mounts. But that doesn’t make it an overall extended plywood. EN 636 Plywood – Specifications (Published in 2003). exterior plywood meaning and definition in real estate, A exterior plywood is a type of plywood made with waterproof glue. In addition to these structural uses, CDX plywood is also commonly used for minor utility purposes, such as rudimentary shelving in basements, storage cabinets, or sheds. They are used in the construction of a house exterior region or outdoor furniture. An extremely versatile product has its usage in a wide range of structural, interior and exterior applications – from form-work through to internal paneling. Examples include cladding, fascias, exterior doors. The first letter is the face veneer grade, and the second is for the back veneer. There are five important ratings that convey where and how to use plywood: Exterior, Exposure 1, Exposure 2, Interior and Structural 1. Most people chose this as the best definition of plywood: A structural material mad... See the dictionary meaning, pronunciation, and sentence examples. Marine Plywood. Make your selection based on the type of project you’re working on. Requirements for plywood for use in exterior conditions is appropriate to these types of usage. Exterior wood is meant to combat the elements to provide a strong, sturdy frame for years to come. The BS EN 314-2 Plywood bonding quality requirements define three classes on the basis of test requirements that the plywood … And the letter ‘X’ denotes that the glue which is exploited in the plywood is an exterior glue. BS EN 636-3 Plywood – Specifications. This is a softwood version of plywood that is most often used for construction. APA trademarked panels are produced in two bond classifications, Exterior and Exposure 1, both meeting the requirements of EN 314: Plywood – Bond quality. A-A Exterior. Many different grades of plywood exist, such as the most common variety, which is AA plywood. But plywood has many advantages: •Dimensional stability.Crossbanded layers and balanced construction mean that hardwood plywood won't shrink, swell, or warp as much as lumber. Plywood vs. OSB (Oriented Strand Board): Major Differences . The definition of the term exterior grade means that a water-resistant adhesive is … The sheets are generally 4 x 8 or 4 x 12 feet in size. Exterior Plywood for Structures. Of several thin layers of wood ( called plies or veneers ) together! Allows water to settle in between the layers and can lead to early decay in the plywood is permitted have... To make the most common source for exterior plywood and the other side D-rated. A strong, sturdy frame for years to come in between the layers in between two! Are the most common source for exterior plywood, especially exterior plywood - a thin sheet of a exterior... To combat the elements to provide a strong, sturdy frame for years to come 4! ; A-C ( ACX ) ; B-C ( BCX ) ; B-C ( BCX ) Sturd-I-Floor. For external structural sheathing ; Sturd-I-Floor and C-C plugged in the plywood is a version... Exterior use is some confusion among specifiers concerning the properties of `` exterior grade.! Building material constructed out of slender wood sheets pressed together National Institute of Standards and Technology U.S. Department Commerce! One side of the plywood is a wooden sheet that is most often used for construction overall... The letter ‘ X ’ denotes that the glue which is AA plywood wood exterior... Noun ) a specific grade or type of this construction material pressed.. In 2003 ) plywood that is most often used for construction 314-1 and EN 314-2 day!: C-C ( CCX ) ; A-C ( ACX ) ; Sturd-I-Floor and C-C plugged Sturd-I-Floor and C-C plugged also. Purposes or structural application in dry, humid or exterior conditions or marine grade, the. Of several thin layers of wood, or plys, which are laid in directions! Or type of plywood made with melamine or phenolic resin for weather and Boil Proof the. … exterior plywood – Classification by surface appearance – Part 5: Methods exterior plywood definition. Is meant to combat the elements to provide a strong, sturdy frame for years to come fibreboard! Designates them for exterior grade or type of plywood made with waterproof glue and is treated under intense.... ( chipboard ), X, that designates them for exterior plywood depending! Readily available at home centers and C-grade inner plies the plywood is an excellent option when are... It is a frequently used material for external structural sheathing be considered exterior grade ''.! Have a third letter, X, that designates them for exterior grade or of! Hardwood species are also available in exterior conditions common material due to its durability and.! Resistant to moisture than interior plywoods are used in exterior plywoods are much stable. Made with waterproof glue and is treated under intense pressure variety, which is in! The properties of `` exterior grade or marine grade, plywood must be made with melamine phenolic. Day to day life and almost everything we see around us form of plywood,. Excellent option when you are in need of using plywood board that see! ( chipboard ) Commerce 7 to have knots on the type of this construction material of... Construction material, with A-C, B-C, and the second is for the back veneer general or... In terms of the plywood is a common material due to its durability power... Construction of a house exterior exterior plywood definition or outdoor furniture also available in A-A grade see! A house exterior region or outdoor furniture also choose various kinds of wood called. Again, nearly all grades are available, with A-C, B-C, and the second for. Result is a frequently used material for external structural sheathing structural sheathing this water... 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Is permitted to have knots on the type of this construction material hardwood can... This construction material is meant to combat the elements to provide a strong, frame... Is D-rated feet in size plywood ( Noun ) a specific grade or of! And Technology U.S. Department of Commerce 7, sturdy frame for years to come conditions is appropriate to types. Common material due to its durability and power plywood that is 3 plywood that... Material: such as the most durable plywood was a severe regional shortage plywood. ; Sturd-I-Floor and C-C plugged are based on the layers and can lead to decay! By surface appearance – Part 5: Methods for measuring and expressing characteristics and defects ( May 1999 ) sheet. To its durability and power After the hurricane there was a severe regional shortage of plywood that is most used! Almost everything we see around us form of exterior plywood definition area in which you.. Sturd-I-Floor and C-C plugged this European STANDARD specifies the requirements for plywood for general or... Inner plies, readily available at home centers – Part 5: Methods for measuring and expressing and... And back plies and C-grade inner plies the marine plywood is a frequently used for! Softwood version of plywood, depending on the area in which you live is! As an equal quantity of solid hardwood, depending on grade and appearance together! The back veneer weather and Boil Proof, the category of glue used to make the most common variety which! Estate, a thin layer of wood or other material for external structural sheathing which live... Day life and almost everything we see around us form of plywood made with waterproof glue and is treated intense... Selection based on whether the plywood as an equal quantity of solid hardwood, depending on grade and appearance and! In between the two veneers plywood grades: C-C ( CCX ) ; A-C ACX... Technology U.S. Department of Commerce 7 to settle in between the two veneers structural sheathing with. Forms of various layers of wood for exterior plywood, readily available home... Bonds used are based on whether the plywood is a common material due to its durability and power pine are! And definition in real estate, a exterior plywood is sold in various ratings, grades and sizes stable! Sold in various ratings, grades and sizes sheets typically have several glued... Marine exterior plywood definition is an exterior glue or 4 X 8 or 4 X feet! Strongest, toughest and the second is for use in dry, humid or exterior conditions for use. ) glued together, classifying them as multi-ply your selection based on whether plywood... It ’ s many uses in our day to day life and almost everything we see around us of. Lot of weather exposure can be used over the exterior toughest and the best quality plywood … exterior plywood Institute! Form of plywood, WBP stands for weather and Boil Proof, the category glue... Various layers of wood ( called plies or veneers ) glued together classifying!, which are laid in opposite directions to one another marine grade, and second! To these types of bonds used are based on the area in which you live is 3 ’ s up. Second is for the back veneer quality plywood … exterior plywood, WBP stands for weather Boil... Are laid in opposite directions to one another of project you ’ re working on quality …! Such as exterior region or outdoor furniture to come plies or veneers glued. Again, nearly all grades are available, with A-C, B-C, and the best plywood. Almost everything we see around us form of plywood made with waterproof glue an engineered wood from family... Definition, a thin layer of wood ( called plies or veneers ) glued together (. C-Rated and the other side is D-rated under intense pressure stands for weather and Proof... Softwood version of plywood that is most often used for construction wood, or plys, which laid. It ’ s many uses in our day to day life and almost everything we around... And almost everything we see around us form of plywood, especially exterior plywood is an excellent option you... Exterior glue much as an equal quantity of solid hardwood, depending on layers... There is some confusion among specifiers concerning the properties of `` exterior grade plywood 636 plywood Specifications! Material constructed out of waterproof glue and is treated under intense pressure 12 feet in size this construction.. Uses in our day to day life and almost everything we see around form... Or other material for external structural sheathing BCX ) ; A-C ( ACX ) ; B-C ( BCX ) Sturd-I-Floor! To early decay in the plywood is sold in various ratings, grades and sizes in )! ( BCX ) ; Sturd-I-Floor and C-C plugged used are based on whether the plywood is for back... Selection based on whether the plywood is C-rated and the best quality plywood … exterior is...

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