It comes in 3/4-, 5/8- and 1/2-inch thicknesses. The number of defects in a panel - and the amount of work a wood mill has done to repair the defects - will determine the grade and the price of plywood. This class of plywood is appropriate for use outside as well in areas of the building that may experience contact with water, such as bathrooms and kitchens. This is largely a decorative material that is included in the exterior plywood to give it a nice-looking texture. The best choice depends primarily on the intended use, but budget can also be a consideration. Exposure 1. It is best used for cabinets and furniture. PPEBFC05. Strength- exterior grade plywood is stronger compared to interior grade plywood. 5.0 out of 5 stars 1. Exterior Doors. Ironmongery. You can delay this process -- perhaps for many years -- by painting both sides and all the edges with high-quality exterior enamel. As with a school grading system, grade A represents the best, least-damaged plywood, while grade D represents the most damaged and worn pieces. Advantages of Hardwood Plywood Today, builders can choose from several types of exterior plywood. It will last even if you leave it unfinished. AS/NZS 2271 - A Bond glue line High grade appearance face, lesser grade back. Suppose you need to use hardwood plywood sheets for special applications such as in marine applications. Hi There, I live in Chicago where the winters are cold and the summers can ... Is this a lawn weed or just a different type of lawn grass? Once installed, it can be painted or stained for a natural appearance or to match any color scheme. PLYWOOD HARDWOOD EXTERIOR - BC - S2S - IMPORTED - A BOND. He has degrees in science and humanities and years of teaching experience. Numerous hardwood species are also available in exterior varieties. CDX is the most common exterior plywood grade. You can use X-grade plywood for most outdoor applications, and when budget is a constraint, use CDX. When coated with a urethane finish, it will survive all but the harshest conditions. Linings & Casings. £1,544.35 Ex VAT. Given the scope of this article, it is impossible to list every single type, but we will explain how the types are determined and what kinds of things home owners should look for when shopping for exterior plywood. 3/4-in Common Southern Yellow Pine Plywood Sheathing, Application as 4 x 8. Each section of exterior plywood is assigned two letter gradesone for how it looks on the front and one for how it loo… Mitre 10's Plywood range comes from leading brands and in a wide range of grades and sizes. Thickness. Marine grade plywood is similar to standard exterior-grade plywood, but its core consists of knot-free sheets, eliminating the possibility of the formation of water pockets within the structure. The quality of the veneers in marine plywood is better than that used in exterior grade plywood. Total immersion -- When building a cistern or other outdoor vessel to hold water, use marine-grade plywood. Exterior plywood is where the wood is bound together using water-resistant glues. B. C. Not Applicable. S000020 (24) £16.55 Ex VAT. The BS EN 314-2 Plywood bonding quality requirements define three classes on the basis of test requirements that the plywood … When you create an exterior with plywood, one of the biggest – and most important – concerns is how the wood will handle wind, rain, and other weather. However, certain applications call for specific plywood choices: Ground contact and horizontal installations -- Pressure-treated plywood is rated for ground contact, and it will last longest in a poor drainage situation, such as the surface of a deck or walkway. The glues used in exterior plywoods are much more resistant to moisture than interior plywoods. Contemporary plywood was first patented in the mid-1800s, and production began in earnest in Portland, Oregon, in 1905. There are five important ratings that convey where and how to use plywood: Exterior, Exposure 1, Exposure 2, Interior and Structural 1. He worked as an expert consultant with eHow Now and Pro Referral -- a Home Depot site. 83. Appearance stamps on plywood range from cabinet-grade (A) to construction grade (C and D). An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. 25mm Hardwood External Grade Plywood B/BB 2440mm x 1220mm (8' x 4') Pack of 36 . Typical applications include signs and non-structural claddings. Exterior plywood must be graded a C or above, meaning knots and knot holes of up to 1½ inches are allowed. Use the caulking gun to apply caulk to all cracks and seams in the exterior plywood. SKU. Hardwood Exterior Plywood is made using a range of hardwood species with an A-bond glue. suggestions. Smooth sanded surface; Has a high weight to strength ratio; Uses include general joinery shelving boxin… UNDERLAYMENT SIZES. Holding strength is very good. Exterior grade plywood can be used indoor , too . per sheet (kgs) Code. Once again, nearly all grades are available, with A-C, B-C, and CDX the most common. for pricing and availability. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Beside CDX, you can also find better grades, such as ABX, ACX and even BCX. Knobs & Handles Security & Locks Fittings & Accessories. Exterior Plywood . By creating an account you agree to the Hunker. Use a knife or a razor blade to cut the tip from the tube of caulk. Exterior plywood has weather and water-resistant glue that holds each veneer together. Higher grade pieces work best for decorative projects, while lower grade plywood works best for the more utilitarian purposes. Approx weight. For three-ply construction, the thickness should be about 0.5mm. Exterior plywood can be divided into several types based on the materials and grades. Exterior ... 23/32 in. I have made some steps from exterior grade plywood to be used outside for a... Is this a weed or just different type of grass? Exterior construction-grade plywood usually displays a CDX stamp. Website operating This is the most common type of plywood, readily available at home centers. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". Douglas fir is sturdier than many others, which makes it ideal for any structures designed to withstand high loads. Mahogany tends to be free of any voids and pockets within its grains. The grade helps the home owners to decide which exterior plywood they will need for their particular project. This is the most basic underlying material in exterior plywood. When purchasing exterior plywood, one of the first things the home owners look for is grade. x 4 ft. x 8 ft. CCX Ground Contact Southern Yellow Pine Pressure-Treated Plywood (108) Model# 253970 $ 39 98. A bonded exterior plywood must be used for applications involving long term full exposure. Treatment chemicals include chromated copper arsenate (CCA), ammoniacal copper quat (ACQ), copper azole (CA) and -- safest of all -- borates. 11/32 in. Shop plywood for your cladding, flooring and structural needs. This type of plywood is too expensive for most other uses, but is the only choice when the application calls for it to be underwater. Where you find a competitor's lower price on the same stocked item, we'll beat it by 10 % Excludes trade quotes, stock liquidations, commercial quantities and MarketLink products. Hello, I live in Virginia and have a primarily tall fescue lawn (or as much... Common Applications for Basic Types of Plywood. Each section of exterior plywood is assigned two letter grades—one for how it looks on the front and one for how it looks in the back. Model #11684. Hunker may earn compensation through affiliate links in this story. Produced in accordance with and conforming to EN 636-2, EN314-2 Builder Depot has for many years worked with our plywood suppliers to provide our customers with a high quality, yet value for money hardwood throughout plywood panel. 3.6 The higher grade panels are sanded on both sides and are sometimes referred to as Sanded Plywood or Sanded Panels. The species of wood can also vary and often different species are combined. In that case, you should consider exterior grade hardwood which is, in most cases, available in a special order. Exterior plywood came on the scene in 1934 with the development of a waterproof adhesive. This material remains strong no matter how thinly it is sliced for plywood. This product is manufactured using a range of hardwood species and with an A-Bond glue line. Copyright© Because it's used for cabinetry and interior finishing, the appearance of interior plywood is more important than its resistance to moisture and rot. What Underlayment to Use for Wall Sheath... What Underlayment to Use for Wall Sheathing. : ¼ inch panels … It features a rough-sawn appearance that may or may not be grooved to simulate the appearance of vertical slats. The veneers are layered one atop of another and glued together. The sub floor is par... Is it worth ducting a range hood to the outside? Plywood is a composite wood that is composed of several layers of veneers—thin sheets of wood that were sawed off the trees. Most is graded A-C, B-C, or C-D, although many retailers will refer to grade C-D as 'CDX.' Beside CDX, you can also find better grades, such as ABX, ACX and even BCX. You may freely link When referring to thickness, exterior grade plywood is nominally smaller than the referred to dimension e.g. ... Veneer Grade. CanWel Building Materials Div PWF 15.5mm x 4-ft x 8-ft Treated Plywood Sheathing Hemlock/Balsam . Exterior plywood is intended for use in non-structural, exterior application where a high-quality aesthetic finish is required. A DIYer by nature, Deziel regularly shares tips and tricks for a better home and garden at Hunker.com. T1-11 is an exterior-grade plywood designed for use as siding. However, it's far more durable. Plywood exterior (4) Plywood structural other grades (3) + More product types - Less product types. Top Choice. Back. The first letter refers to the grade of face veneers and the second letter refers to the grade of back veneers . Source: Amazon. Plywood gives home owners more flexibility, allowing them to create designs that would not be possible with ordinary wood. VAT. Item #489314. £1,371.15 Ex VAT. problems contact webmaster@doityourself.com. PWF 15.5mm x 4-ft x 8-ft Treated Plywood Sheathing Hemlock/Balsam is ideal for use as specific components in a permanent wood foundation (PWF) for a strong, durable and proven construction foundation system. If the plywood is put together using water-resistant glue, it is considered to be exterior plywood. Exterior Plywood battle. Replacing rotting siding and edge of roof. However, European buyers prefer WBP(exterior) plywood for indoor use . Exterior plywood is manufactured with a higher quality(A, B, or S grade) face with a reduced quality (C or D grade… Medite Exterior (EN 622-H2) is used as a substitute for softwood, hardwood, plywood, plastic and metal in non-stressed applications. Add to Trolley. Cabinet grade equal to B/BB and BB/BB is also available. Exterior Grade Softwood Plywood is most commonly used in the construction industry for its structural qualities and price point. Exterior plywood carries an X stamp, which identifies it as suitable for use outdoors. All A bonded, exterior plywood should be treated against fungal attack and should be surface finished to minimise surface checking. Browse our range of trade standard plywood boards such asStructural Hardwood Plywood, Shuttering Plywood or Selex Structural Plywood. SKU: PPEBFC05. Decorative structures -- T1-11 is the best choice for siding, and it's also the best material for building sheds and outdoor storage boxes. Exterior, is the grade given to any plywood which is bonded with 100 percent waterproof adhesive and is intended for permanent outdoor exposure. It's less expensive than plywood and available virtually everywhere. Same in-stock item available for same-day delivery or collection, including GST and delivery charges. Insert the tube of caulk into the caulking gun with the tube nozzle pointing away from the trigger. Compare; Find My Store. Such glue will resist rain, snow, and humidity, but if the home owner lives in an area where weather conditions are usually harsh, he or she may want to consider getting a stronger type. The grade refers to the grade of surface covering. Exterior plywood is as strong as Interior glue plywood. 9mm Hardwood External Grade Plywood B/BB 2440mm x 1220mm (8' x 4') In stock. According to marine plywood standard BS 1088, the thickness of face/back veneers for multi-ply construction should be 1.3 to 3.8 mm. 1995-2018 MH Sub I, LLC dba Internet Brands. Some US and Canadian customers use WBP (exterior) plywood as Cabinet grade plywood or furniture grade plywood . For interior plywood, Urea Formaldehyde glue or UF is commonly used type of glue used for joining the plies together, while in the case of exterior plywood, Phenol formaldehyde (known as phenolic resin) is used. Item #796772. According to US Plywood Standard (APA PS1-95 Construction and Industrial Plywood), plywood can be classified into several grades, such as A-A, A-B, A-C, B-B, B-C, C-C , C-D . Weather Exposure. ... Hardwood Plywood Poplar Core FSC 2440 x 1220 x 5.5mm. Because of this, it is best suited for outdoor construction. It is usually made from softwoods such as Douglas Fir or Pine. Like other types, exterior plywood is classified based on appearance using letter grading system, A through D, with each letter representing the quality of the wood. 2440x1220. home improvement and repair website. Plywoods are produced using bonds. The overlay is 28 percent resin and resists water. DoItYourself.com®, founded in 1995, is the leading independent This determines how well it will endure weather and how it will look. MDO is an exterior grade plywood with a weather-resistant layer of resin-infused fiber that seals it from the elements. 3/4-in HPVA Birch Plywood, Application as 4 X 8. 4.6 out of 5 stars 3. All structural plywood products are marked with a legible and durable grade stamp that indicates: conformance to either CSA O121, CSA O151 or CSA O153, the manufacturer, the bond type (EXTERIOR), the species (DFP) or (CSP), and the grade. Beautiful appearance. You can also paint exterior plywood, but you don't have to. Like other types, exterior plywood is classified based on appearance using letter grading system, A through D, with each letter representing the quality of the wood. Plywood can be made of several different materials arranged in various combinations. A structural exterior (water resistant) adhesive is used to adhere the veneer layers together. I had an issue where I needed to remove a few panels of my vinyl siding as ... does exterior plywood need waterproofing? External Doors External Composite Doors External French Doors. Pressure-treated plywood usually has a greenish hue and a slightly oily surface. Faces are sanded to produce a surface for interior and exterior use. When purchasing exterior plywood, one of the first things the home owners look for is grade. As with a school grading system, grade A represents the best, least-damaged plywood, while grade D represents the most damaged and worn pieces. Another important thing home owners need to consider is what kind of materials make up the plywood's veneers. Exterior plywood is able to withstand repeated water exposure and weathering without being damaged. Plywood Grades A & B The highest quality - and most expensive - types of softwood plywood are the A & B grades - which is perfect for shop projects like workbench plans . Appearance stamps on plywood range from cabinet-grade (A) to construction grade (C and D). Plywood can be … A final mark to check is the thickness of the plywood. Allow the exterior plywood surface to dry completely. to this site, and use it for non-commercial use subject to our terms of use. Sheet size (mm) Sheet thickness (mm) Pack size. 9mm Hardwood External Grade Plywood B/BB 2440mm x 1220mm (8' x 4') Pack of 100 . It comes in 3/4-, 5/8- and 1/2-inch thicknesses. 3.6mm Exterior Grade Plywood Sheets 1200 x 300mm. Exterior means the panels have been waterproofed and can withstand inclement weather. The standards required by APA- The Engineered Wood Association, for a product to be called “marine grade” are not that much higher than your typical exterior grade plywood. £38.09 Per Sheet . Plywood. Manufacturers produce it by infusing regular plywood with chemicals under pressure to give it added resistance to mold and mildew. It's constructed with waterproof glue and performs best when only semi-exposed to the elements, as it is when covered with siding or roofing. Exterior Plywood. Exterior plywood carries an X stamp, which identifies it as suitable for use outdoors. CDX plywood, a stock item at most lumberyards, is a utility grade suitable for most outdoor projects. See More + I'm in CT, 06611, and generally have a mix of bluegrass, ryegrass and fescu... Three Season Room: dry wall or exterior plywood. Medite Exterior is an MDF panel developed specifically for use in a wide range of external applications in accordance with MDF-H2 as defined in EN 622 part 5 and gives all the design freedom of Standard MDF. Click and Collect is available or enjoy free UK delivery on selected orders over %pound;150 excl. AC Exterior Hoop Pine Plywood. Get free shipping on qualified Exterior Plywood or Buy Online Pick Up in Store today in the Lumber & Composites Department. Its layers are glued together with waterproof adhesive that prevents them from delaminating in wet weather. CDX is the most common exterior plywood grade. Bulk Buy Saving. Door Frames & Linings. View our Privacy Policy here. In addition to being tough, this material is highly resistant to insects and fungi infection, which makes it an important component of any exterior plywood. Structural Plywood 46 results for Structural Plywood. Its name indicates it's the obvious choice for building boats and underwater structures. Exterior Plywood. A. All information is provided "AS IS." If you use interior plywood outdoors, it won't be long before the corners of the sheets separate, and eventually the plywood will become spongy and disintegrate. There are different sizes, thicknesses and grades of hardwood plywood you can choose from. Use exterior rated plywood for permanent outdoor structures that will be exposed to water long-term. cancel Show results. I have a double wide trailer that needs a lot of work. This post is part of Plyco’s Guide to Marine Plywood and highlights the important differences between Marine and Exterior Grade Plywood.. It’s one of our most commonly asked questions regarding Marine Plywood.Without clear information, it can be extremely difficult to choose a side in the Marine Plywood vs. Oriented strand board (OSB) is an engineered plywood substitute that many builders use for sheathing and roof decking. Exterior plywood is seldom pretty. This is the strongest material out of them all, but since it is vulnerable to changes in temperature, it must be surrounded by other veneers in order to be of any use. 5.5mm Exterior Grade Plywood Sheets 1200 x 600mm. Plywood bonds – EN314-2. But exterior plywood is more expensive than interior grade plywood . It is the most common bonding type of plywood available. Exterior. It often has visible knots and blemishes, and most of it is made from readily available Douglas fir or southern pine -- not expensive hardwood. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. All rights reserved. The types of bonds used are based on whether the plywood is for use in dry, humid or exterior conditions. The glue used in exterior plywood is WBP glue. We welcome your comments and 4. Tools & Fixings. Back to top. More + exterior plywood must be graded a C or above, meaning knots and knot exterior grade plywood... Be made of several layers of veneers—thin sheets of wood that is included in the construction industry for structural! Of materials make up the plywood is made using a range of trade standard plywood such... The leading independent home improvement topics in 2010 remove a few panels of my vinyl siding as... exterior. And years of teaching experience Portland, Oregon, in most cases, available in exterior plywoods are exterior grade plywood resistant. Paint exterior plywood, plastic and metal in non-stressed applications ) is used as a substitute Softwood. Exposed to water long-term an engineered plywood substitute that many builders use Sheathing! How well it will endure weather and how it will survive all but the harshest conditions many years -- painting. Fir is sturdier than many others, which identifies it as suitable use... Oriented strand board ( OSB ) is an engineered plywood substitute that many builders use for and. To B/BB and BB/BB is also available in exterior varieties lesser grade back exterior grade plywood this site and... Interior and exterior use browse our range of trade standard plywood boards such asStructural hardwood plywood Poplar Core 2440! Exterior means the panels have been waterproofed and can withstand inclement weather of and! Questions of a Do it Yourself nature should be submitted to our `` DoItYourself.com Community ''... Application where a high-quality aesthetic finish is required how it will look qualified exterior plywood can be divided several. 'S veneers 's the obvious choice for building boats and underwater structures how well it will look has in! - IMPORTED - a Bond glue line harshest conditions knobs & Handles Security & Locks Fittings &.... Thinly it is sliced for plywood manufactured using a range hood to grade! Wet weather where I needed to remove a few panels of my vinyl siding as does. Less product types - Less product types - Less product types - Less product types is considered to be of... The wood is bound together using water-resistant glue that holds each veneer together to! Mitre 10 's plywood range from cabinet-grade ( a ) to construction grade C! A decorative material that is composed of several layers of veneers—thin sheets of that. Wood is bound together using water-resistant glue that holds each veneer together mm ) sheet thickness ( mm Pack! A home Depot site as 'CDX. another and glued together with waterproof adhesive prevents. Is WBP glue full exposure type of plywood available on both sides and are sometimes referred to dimension e.g High. Adhesive is used as a substitute for Softwood, hardwood, plywood, a stock at! And resists water tips and tricks for a natural appearance or to match any color scheme you Do n't to... Several layers of veneers—thin sheets of wood that is composed of several different materials arranged in various.. For outdoor construction hardwood exterior plywood came on the materials and grades of hardwood plywood you can from... Simulate the appearance of vertical slats nozzle pointing away from the trigger budget is a,... Came on the scene in 1934 with the tube of caulk into the gun. Can choose from several types of bonds used are based on the intended use but... Production began in earnest in Portland, Oregon, in 1905 vary and often different species also... Bc - S2S - IMPORTED - a Bond glue line High grade appearance,! One atop of another and glued together this is the most common marine-grade plywood interior grade plywood works best decorative! And BB/BB is also available is par... is it worth ducting a range hood to the of... To be free of any voids and pockets within its grains in and. And production began in earnest in Portland, Oregon, in 1905 use a knife or a blade. For use outdoors strong no matter how thinly it is considered to be exterior plywood to give added! In wet weather choice depends primarily on the intended use, but you Do n't have to lot of.! Model # 253970 $ 39 98 water-resistant glue, it is usually from! The more utilitarian purposes outdoor exposure grade pieces work best for decorative projects, while lower grade plywood B/BB x! C or above, meaning knots and knot holes of up to 1½ inches are allowed exterior enamel of.... Waterproofed and can withstand inclement weather selected orders over % pound ; excl..., B-C, and when budget is a utility grade suitable for outdoor... High loads OSB ) is used as a substitute for Softwood,,! In that case, you can choose from compared to interior grade plywood B/BB 2440mm x 1220mm 8. Seals it from the tube nozzle pointing away from the tube nozzle pointing away the... Tube of caulk veneer layers together plywood carries exterior grade plywood x stamp, makes. Plywood carries an x stamp, which identifies it as suitable for outdoor... Are sometimes referred to as sanded plywood or Buy Online Pick up in Store today in the exterior has. To cut the tip from the tube of caulk a Bond glue line High grade appearance,! Able to withstand High loads exposure and weathering without being damaged and general fix-it pro who has been active the..., hardwood, plywood, plastic and metal in non-stressed applications results for structural plywood & Locks Fittings Accessories! You agree to the hunker letter refers to the outside a rough-sawn appearance that may or not. A composite wood that were sawed off the trees delivery on selected exterior grade plywood over % pound ; excl! Water resistant ) adhesive is used as a substitute for Softwood, hardwood, plywood, available. Obvious choice for building boats and underwater structures, thicknesses and grades hardwood! European buyers prefer WBP ( exterior ) plywood for most outdoor projects prevents them from delaminating in wet.. Humid or exterior conditions leading independent home improvement and repair website infusing regular with. Community Forums '' get free shipping on qualified exterior plywood should be treated against fungal attack and should about... In a wide range of grades and sizes to cut the tip the., but budget can also find better grades, such as Douglas Fir or.... In this story use CDX flexibility, allowing them to create designs would. Most cases, available in a wide range of trade standard plywood boards such asStructural hardwood plywood you can be! 'S the obvious choice for building boats and underwater structures this material remains strong no matter how thinly is. Carries an x stamp, which identifies it as suitable for most outdoor projects Pack of 100 as. General fix-it pro who has been active in the exterior plywood carries an x stamp, which identifies it suitable... 4 ) plywood for most outdoor applications, and use it for use. Plywood as cabinet grade plywood customers use WBP ( exterior ) plywood as cabinet grade equal B/BB! More flexibility, allowing them to create designs that would not be possible with ordinary wood than others. Has weather and how it will endure weather and how it will all! Hardwood which is bonded with 100 percent waterproof adhesive fungal attack and should be submitted to our `` Community! Able to withstand High loads for Sheathing and roof decking range hood to grade! And a slightly oily surface all but the harshest conditions the obvious choice for building boats and underwater structures and. Is made using a range hood to the grade given to any which! For decorative projects, while lower grade plywood for indoor use virtually everywhere budget can also vary and often species. Of exterior plywood writing on home improvement and repair website adhesive that prevents them delaminating! Into several types based on whether the plywood is WBP glue and Collect is available enjoy... Cabinet grade plywood B/BB 2440mm x 1220mm ( 8 ' x 4 ' ) Pack of 100 up 1½... Of use Model # 253970 $ 39 98 budget can also be a consideration letter refers to the helps. Oriented strand board ( OSB ) is used as a substitute for Softwood,,! A bonded exterior plywood is better than that used in exterior plywoods are much more resistant moisture... Exterior rated plywood for your cladding, flooring and structural needs species are combined x 1220mm 8! In science and humanities and years of teaching experience, use marine-grade plywood for... Thickness, exterior Application where a high-quality aesthetic finish is required even you! To as sanded plywood or Selex structural plywood it a nice-looking texture the are... 15.5Mm x 4-ft x 8-ft treated plywood Sheathing, Application as 4 x.. Or Buy Online Pick up in Store today in the exterior plywood 3 ) + more product.. Do n't have to must be used indoor, too ) is used a. Any structures designed to withstand repeated water exposure and weathering without being damaged stamp, which identifies it as for. ' ) Pack of 100 off the trees and BB/BB is also available in exterior grade plywood... 3/4-In common Southern Yellow Pine Pressure-Treated plywood ( 108 ) Model # 253970 $ 39 98 plywood can painted! 25Mm hardwood External grade plywood or Selex structural plywood 46 results for structural plywood resistant to moisture than grade. As/Nzs 2271 - a Bond intended use, but budget can also be consideration. Designed for use in dry, humid or exterior conditions be about 0.5mm CDX you... Retailers will refer to grade C-D as 'CDX. and seams in the plywood! Humid or exterior conditions, 5/8- and 1/2-inch thicknesses a nice-looking texture Contact Yellow... Or may not be possible with ordinary wood product types layers are together!