The main reason that a consumer would choose plywood over OSB is because it is more internally stable and thus more resistant to swelling, expansion, and contraction. for pricing and availability. • Exterior Wall Sheathing & Bracing, and Interior Shearwall Bracing. Structural exterior wall sheathing ties framing studs together, making the walls resistant to twisting and bending. There are two types of sheathing: structural and nonstructural. This results in a wall that's not dependent on your floor's flatness or sheathing position accuracy for squareness and straightness. Where you'll often see plywood used instead of OSB is in roof sheathing, where the risks of moisture and leaks are greater. DensGlass Sheathing should be specified for any project where flexibility and easy What to Expect When You’re Building a Home from the Ground Up, Exterior Sheathing – Top 5 Exterior Wall Sheathing Options for New Home Builds, 10 Features to Look for in House Plans 2000-2500 Square Feet, 2x4 vs 2x6 Exterior Walls for New Home Construction, A Guide to Garage Shop Plans, Mother in Law Suite Plans & Other Garage Ideas, Building on Slab vs. This guide provides an overview of wood structural sheathing in exterior walls with a focus on applications in hurricane-prone regions or other high-wind areas. Focusing on the performance of the building enclosure means reducing building operating energy, improving indoor environmental control and extending the life of the structure via improved durability. Featuring integrated moisture, air and thermal protection, ZIP System R-sheathing completely reimagines traditional wall assemblies by streamlining exterior water, air and thermal management. Polystyrene or polyisocyanurate foam boards, though normally applied over plywood or OSB panels for additional insulation, may be installed by themselves – but additional bracing will be required for structural stability (Source: What is included in a set of house plans? Easy to use Construction Materials Calculator. The optimal sheathing choice for most home builders and homeowners alike – mostly because they feel it offers the best combination of durability and cost – oriented-strand board (OSB) panels consist of hundreds of thin wood strands that are hot pressed onto sheets with a resin and wax adhesive. Compare; Find My Store. Brick or Stone Veneers; Stucco Systems; Exterior Insulation and Finishing Systems (EIFS) Metal Panel Systems; Wood, Vinyl and Composite Siding Products 2304.6.1 Wood Structural Panel Sheathing However, most structural exterior wall sheathings lack insulation value. This technique provides the most structural strength across the framed wall. Foam Board. Get free shipping on qualified Exterior Sheathing Plywood or Buy Online Pick Up in Store today in the Lumber & Composites Department. Install structural sheathing (plywood/OSB) in exterior walls to ensure the building will resist design wind pressures. Model #OSB5848ZWRS. Selecting the wall sheathing product. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(wa, s); ZIP Sheathing is a pretty hot topic with some differing opinions. The product is not as dense as wood, though it is more thermally resistant and much more dimensionally stable (resistant to expansion and contraction) than wood products – and in most cases it is much more affordable. The International Residential Code specifies 3/8-inch plywood for sheathing walls with a standard stud spacing of 16 inches, if the siding is nailed to the studs through the sheathing. Foam board can actually be installed without any OSB or plywood at all, fastened directly to the stud. Diagonal tongue & groove boards are also extremely durable – the spruce, fir, or pine boards are more resistant to rot and swelling than OSB. Plywood is about 15 to 19 percent lighter than OSB. In this case, OSB is used exclusively, rather than piecing in plywood on the corners or in place of cut OSB sheets (, Plywood is made from sheets of wood that are peeled from trees and then glued together in layers that are laid perpendicular to each other (. BCIN - Is This Something I Need When Building My Home? The layers are applied until the desired thickness is met, a minimum of 5/16 inch for studs on 16-inch centers or 3/8 inch for 24-inch centers. Make repairs to level the floor, or shim these as needed under each stud. Exterior wall sheathing is either structural or non-structural. -Thermo-ply grades to fit needs all over the house: In addition to exterior wall sheathing, consider using Thermo-ply as an air barrier in internal sheathing applications that require a thin air-barrier or draft stop.-Temporary surface protector for floors and countertops. This engineered product is made by grinding wood chips and other lumber waste and combining them all together with wax and resin. DensGlass® Sheathing is the preferred substrate under brick, stone, stucco, siding and Exterior Insulation and Finishing Systems (EIFS) because of its exemplary track record. Mike Guertin is one of the original pioneers of utilizing the wall sheathing with trusses. Erect the wall. But this method will require some sort of bracing (let-in 1x4s, L-profile straps, inset panels, etc.) Description. Solid-wood T&G boards (usually 1x6s or 1x8s) are best nailed diagonally across studs when used as sheathing. It provides a surface for the application of materials, like siding, and helps shield a structure from rain, snow, wind, etc. OSB does not breath or redistributed water as well as plywood. For example, wall sheathing performs the obvious job of providing a surface to fasten siding materials to, but it also works to hold numerous studs together to give the home structural integrity, known as, The optimal sheathing choice for most home builders and homeowners alike – mostly because they feel it offers the best combination of durability and cost –, Oriented strand board (OSB) is made by crisscrossing wafers of wood, building up layers to the desired thickness (, This house is typical of those sheathed in OSB. To receive your discount, enter the code "NOW50" in the offer code box on the checkout page. Fiberboard wall sheathing (an example fiberboard product photograph is shown at above left), when intended for use on a building exterior is installed by nailing directly to the wall studs, most often with let-in diagonal bracing or plywood panel bracing at the building corners to assure building rigidity. They provide a very strong fastening surface as well. Getting Landscaping & Gardens Ready for Spring Planting, What You Need to Know about Walkout & Daylight Basements, U-Shaped House Design: A Mix of Function, Form, and Style, 10 Home Building & Design Trends from the International Builders' Show, Tricks, Tips, and Uses for Architectural Trim Work, Modern Farmhouse: Contemporary Twist on a Classic, Stick-Built vs. Truss-Built Roof: The Pros and Cons of Each, 8 Common Home Lighting Mistakes – And How to Avoid Them, No thanks, I prefer paying the full price, Follow us on these social networks to stay connected. Structural sheathing gives a home or commercial building integrity and rigidity. var wa = document.createElement('script'); wa.type = 'text/javascript'; wa.async = true; When used in home construction, exterior wall sheathing is very multi-functional. Only Class III vapor retarders shall be used on the interior side of frame walls where foam plastic insulating sheathing with a perm rating of less than 1 is applied in accordance with Table 1405.3.2 on the exterior side of the frame wall. How to insulate house walls from the outside. When it comes to wall sheathing, only a few special projects will require something other than OSB or plywood. The two most common types of foam-board Oriented strand board (OSB) is a durable panel sheathing made from hundreds of thin wood strands that are hot pressed onto sheets with a wax and resin adhesive. Structural fiberboard is less dense but more thermally resistant than wood panels. Exterior Wall Sheathing + Cost Calculator. Structural exterior wall sheathing ties framing studs together, making the walls resistant to twisting and bending. The “big two” aren't the only selections available however. Oriented Strand Board Exterior Wall Sheathing (OSB) Oriented strand board, or OSB, is a popular and … OSB is available in sizes up to 8 feet wide and 16 foot long. * 8’, 9’ or 10’ lengths at no MSF up-charge. Structural fiberboard is one such option. It's something that not many homeowners account for – mostly because they don't know the options that are available. To get the most from installing foam board as sheathing, most contractors apply it directly over the OSB or plywood and then fasten the siding through it. Using foam board alone as sheathing usually isn't recommended in high wind areas or where the interior surface of the product might drop below the dew point in the winter. Solid wood sheathing is still a good (if pricey) choice to offer the best structural support, however. Many people who choose OSB panels for their wall sheathing do after having narrowed the selection down to two materials – OSB or plywood. It is attached to the exterior wall framing and prevents walls from swaying or bending. The noncombustible gypsum core of the sheathing protects framing elements even when siding or finish material is combustible. Crawl Space vs. There are several structural and non-structural exterior wall sheathing options available to home and commercial buildings. My exterior walls are actually not bearing any of the load of the structure, (deigned like a curtain wall wrapping a structural steel frame) and the sheathing I am considering applying to the outside surface, covering the foam, is not required for bracing or other structural purpose, it is simply a base for the liquid applied WRB. In a typical braced wall, the framing is primarily secured by a structural sheathing panel, such as OSB or plywood. Additional wall bracing may be required. However, most structural exterior wall sheathings lack insulation value. However, gypsum retains dampness and should not be used on outside walls, in bathrooms and laundry rooms, and other damp areas. Wall sheathing is primarily a structural material. His original work back as this diagram from a 2005 Fine Homebuilding magazine reprint shows, it was mainly used for blocking the insulation & eliminating the hassle of installing baffles. Dream House Wish List Ideas and Must Have Rooms, Building a Home Plan with an Indoor Basketball Court, What Comes Next? Plywood has good moisture resistance and dries fast. The moisture-resistant core and water repellent surface provides a barrier that resists passage of wind and water. This helps with expansion and contraction. Non-structural exterior wall sheathing works with the building’s envelope to provide added insulation. 5/8-in x 4-ft x 8-ft Tongue and Groove OSB Sheathing. Using a combination of wood panel and foam gives you better thermal protection (higher initial cost but more energy savings over time) and an adequate form of bracing from stud to stud. Plywood sheathing is made from whole sheets of wood that are cross-laminated, which give the boards strength and stiffness. In fact, a wide range of materials can be used to sheathe a wood-framed wall. Make sure to ask your contractor about what sheathing material will work best for your specific situation. Non-structural exterior wall sheathing also prevents intrusion of either water or wind and, in some cases, it acts as a radiant barrier. Many contractors opt for plywood on corners or anywhere a cut sheet must be used rather than a sheet with a factory sealed edge. Advantages & Disadvantages, Beachfront, Key West Style, and Other Waterfront Home Ideas. However, the pricing is more volatile, always changing. A poorly-constructed foundation can leave gaps under the wall where low spots occur. Because of its correlation to structural integrity, it is important to take wall sheathing materials and methods into consideration when planning a new home build or remodel. for pricing and availability. It is also known as drywall, wallboard, or plasterboard. The use of diagonal tongue-and-groove (T&G) wood boards was standard practice for sheathing until after World War II, but it has waned since then. The boards are the best way to tie the header to the footer on a wall, not to mention the wall studs to each other – something to consider for houses in storm-prone areas such as Florida house plans. OSB panels are dense and solid throughout the product, with no soft spots. Basement? This sheathing can be scored and snapped to exact size without cutting or sawing. Selecting the best type of sheathing for the project is the first … Cement board structural sheathing is Portland cement, reinforced with glass-fiber mesh that creates a sheet that attaches easily to a wall. Waferboard is far less expensive than plywood; however, it tends to be weaker and less resistant to water than plywood. Most builders are so comfortable with OSB wall sheathing that they never consider using an alternative material. OPTIONS THERMO-PLY OPTIONS: ALL AVAILABLE ON ALL GRADES * 48” or 48- 3/4” widths at no MSF up-charge * 49” width for AMG.

(function() { When it comes to exterior wall sheathing, GP's Plytanium plywood wall sheathing and Blue Ribbon OSB sheathing are leaders in the construction industry. Compare; Find My Store. Exterior wall sheathing strengthens the wall system, provides a nailing base for the siding, and gives a layer of protection against outside elements. How Much Square Footage Do I Need for a New Home? EXTERIOR WALLS Durable, high-performance gypsum panels for exterior sheathing applications. It would often help if you had an engineering degree to use some of the available calculators. “Rigid foam,” as it's often known in the industry, may be made from polystyrene or polyisocyanurate. Sign up below for news, tips and offers. 19/32-in x 4-ft x 8-ft OSB Sheathing. Five common structural exterior sheathing options include wood-based, gypsum, glass mat, cement board, and Barricade® Thermo-Brace®. 2.1 Adhesive Bond Classification The bond classification relates to … Insulating sheathing comes in various R-values. For example, wall sheathing performs the obvious job of providing a surface to fasten siding materials to, but it also works to hold numerous studs together to give the home structural integrity, known as wall bracing. Gypsum sheathing is fire-resistant, sound-reducing, durable, economical, and versatile. Here are some of those exterior wall sheathing options and how they affect your house as a whole. Exterior Gypsum Sheathing is a water-resistant product designed for attachment to exterior side-wall framing as an underlayment for various exterior siding materials such as wood, metal or vinyl siding, masonry veneer, stucco, shingles, etc. Non-structural exterior wall installation of the sheathing is on the exterior or interior side of the structural sheathing. The top 5 exterior sheathing materials include. between studs. TABLE 1405.3.2 CLASS III VAPOR RETARDERS For SI: 1 pound per cubic foot = 16 kg/m 3. Most contractors state they can counter those issues with proper house wrapping over the sheathing and siding with extra care. Though considered "structural," these panels may required additional bracing to meet local building codes (Source: The use of diagonal tongue-and-groove (T&G) wood boards was standard practice for sheathing until after World War II, but it has waned since then. How to Present Your Best Self: 9 Tips on Selecting the Perfect Bathroom Lighting. Builders use sheathing as a nailing base for siding, creating the walls of a building. Gypsum based structural sheathing is a panel-type material made of a noncombustible core, primarily gypsum, with a paper surfacing on the long edges, face, and back. wa.src = 'https://d10lpsik1i8c69.cloudfront.net/w.js'; Visit Barricade Building Products for more information on exterior wall sheathing. Model #OSB5848ZRT. Focusing on the performance of the building enclosure means reducing building operating energy, improving indoor environmental control and extending the life of the structure via improved durability. ZIP System R-sheathing is the simple all-in-one structural panel with built-in exterior insulation. OSB is often less expensive than plywood. Examples of non-structural exterior wall sheathing are plastic, foam, cellulose fiber, paper faced and foil faced boards. The boards are the best way to tie the header to the footer on a wall, not to mention the wall studs to each other – something to consider for houses in storm-prone areas such as. Plywood and OSB are largely considered the best wall sheathing choices because of their overall abilities to hold fasteners well, create a strong bond between studs, and provide some thermal advantages. Sheathing A great space is only as strong as the sophisticated exterior that protects what’s inside. This manufacturing method creates a very durable panel, as the wood strands are applied in multiple layers, with each layer “crisscrossing” as they are laid perpendicularly. Exterior wall sheathing is either structural or non-structural. Glass mat sheathing is like gypsum board but uses a fiberglass barrier instead of a paper material on the outside. This is because, in contrast to OSB, plywood is fabricated from whole sheets of peeled wood that are cross-laminated rather than assembled small wafers of wood. The finish is very uniform, and there are no knots or even grains as you'd find in “real” wood. })(); Should Wall Street Be In Charge of Your Sheathing Choice? window.__lo_site_id = 193131;

It is most frequently used for increased insulation on the exterior of the home because it eliminates the thermal bridge between the studs and wood sheathing. Solid wood sheathing is still a good (if pricey) choice to offer the best structural support, however. Cement boards are non-combustible and provide a good base for tile or other masonry products. EXTERIOR SHEATHING Exterior Gypsum Sheathing is designed to be applied to the outside surface of wood or steel framing members as an underlayment in exterior wall assemblies clad with a variety of materials including: . Huber Engineered Woods, the manufacturer of the ZIP System roof and wall sheathing, is now offering water-resistant, treated OSB in its ZIP-WALL system designed to replace the vapor-permeable, water-resistant house wrap barrier “Rigid foam,” as it's often known in the industry, may be made from polystyrene or … When rigid foam insulating sheathing is installed on the exterior walls of a home, the foam can serve as a drainage plane, taking the place of house wrap for time and cost savings. These walls must have let-in bracing, diagonal board sheathing, or some sort of code-approved sheet material to stiffen the structure against racking. APA Rated Sheathing is rated for use as subfloor, wall, roof, diaphragm and shear wall sheathing. However, it's nice to know you have a couple options just in case. Select only the highest quality exterior sheathing panels, offering you peace of mind against the elements. A great space is only as strong as the sophisticated exterior that protects what’s inside. Each have their own pros and cons, but OSB costs about one-half the price of plywood. Cut edges of OSB are especially vulnerable to water damage, which is why the plywood “pieced-in” method works so great. Often used for commercial buildings. Products under $300 excluded. We will never share your email address. It is suitable for use in a range of construction and miscellaneous applications where strength and stiffness are required. In addition to OSB, builders can choose plywood, fiberboard, rigid foam, diagonal boards, and fiberglass-faced gypsum panels. However, plywood may have weak spots, which can cause core voids in the panels. Waferboard sheathing is a manufactured product made by placing small pieces of wood scraps in a hydraulic press and gluing. Plywood is often used in combination with OSB for wall sheathing. In theory, the sheathing on your home should never get wet as long as the proper preparations are made when siding the home (flashing, house wrap, J-channel, caulk, etc.). Depending on the materials used, wall sheathing also provides varying levels of thermal properties and is important for HVAC air retention. OSB has been known to swell more than plywood when exposed to moisture, and its dimensionally stability (expansion and contraction with changes in temperature) is inferior to plywood. We have tried to make it a more straightforward process so that most people can use these calculators. Unfortunately, it is not as strong as wood, either, and thus won't hold fasteners as well or provide much structural integrity between studs. Exterior sheathing is used to help strengthen the walls of a new home. The ZIP System is a structural sheathing intended for walls and roofs, with an OSB base and WRB (weather resistive membrane), which is basically a mesh that is attached to an OSB sheathing panel with a paint applied. Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home's walls thermal performance and reducing energy use while reducing heating bills, carbon footprint and improving a building's comfort level. Wall sheathing on the outside of exterior walls, including gables, and the connection of the sheathing to framing shall be designed in accordance with the general provisions of this code and shall be capable of resisting wind pressures in accordance with Section 1609. Non-structural exterior wall sheathing, also called insulating sheathing, is installed on the exterior wall to add insulation and provide a radiant barrier. Barricade Building Products Puts Sheathing Innovations at the Forefront at IBSx 2021, Webinar: Rising Lumber Costs & Alternatives to OSB, How to Choose the Best Construction Tape for Vapor Barrier Seams, A Guide to Avoiding Building Envelope Failure, Wood-based structural sheathing includes plywood, oriented strand board, and waferboard. ZIP System ® Wall Sheathing A revolutionary new approach to building enclosures, ZIP System ® sheathing and tape streamlines the weatherization process with an integrated air and water-resistive barrier that delivers moisture and air protection in one easy-to-install system.

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