Exterior wall sheathing thickness

Exterior wall sheathing thickness. To access printing capabilities, please subscribe to a Digital Codes Premium subscription. Performance Category 3. It is made from thin layers of wood veneer that are glued together, creating a sturdy panel. 4 &. Interior coverings include interior plaster, gypsum board, ceramic tile, wood veneer paneling, hardboard paneling, wood shakes and wood shingles. 3 (1). 8 and extending 30 inches (762 mm) beyond the exterior wall or a vertical separation of not less than 4 feet (1219 mm) in height shall be provided to separate MCM panels located on the exterior walls at one-story intervals. 38 after $25 OFF your total qualifying purchase upon opening a new card. Exterior Gypsum Sheathing is a specialized performance panel consisting of a noncombustible, moisture-resistant core wrapped in fiberglass facers on both the front and back surfaces and long edges. So, if using vinyl siding, rigid foam sheathing, and 2 x 4 studs, you’d get about 5 ½ inches thickness. OSB often ranges from 7/16 inch to 23/32 inch. Exterior wall envelope assemblies shall be tested at a minimum differential pressure of 6. $ 29 38. ) Zip sheathing can typically be installed either vertically or horizontally. 3 (4). 9 mm) thicknesses, a 48” (1220 mm) width and 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. 297 kN/m 2 ). The exterior wall envelope shall be designed Dec 2, 2023 · Fiberboard can be used as an exterior wall sheathing or roof sheathing (find out the best roof sheathing thickness level). 95 cm or 3/8 inches thick. You can use the DensGlass Glass Mat 8 ft. Vinyl is the best siding to keep water from getting inside the wall. This part of the exterior wall is the part exposed to the weather. 4 ft. 3 Panel. 45+0. 2 Weather protection. Limit 90 per order. Sheathing plywood is a common sheathing material. T&G edges 5. Be applied to each end (corners) of each of the exterior walls with a minimum 48-inch-wide (1219 mm) panel. Most homes have 2×4 wall studs (nominal size 1403. Exterior wall envelope assemblies shall be subjected to a minimum test exposure duration of 2 hours. The sheathing is lightweight and installs easily with standard drywall tools. Exterior Wall Sheathing as a substrate for your brick, stone, stucco, EIFS or siding. Framing: As required by the pertinent fire wall and roof assemblies and in accordance with local building code. Wood veneers on exterior walls of buildings of Type I, II, III and IV construction shall be not less than 1 inch (25 mm) nominal thickness, 0. 24 pounds per square foot (299 Pa). 3 is a 7/16’’ wall sheathing panel produced from non-toxic organic materials and natural wood fibres. OSB used for sheathing in walls, flooring, and roof decking. Track record that spans more than 30 years. ): 7/16. They are approximately 3. EXACOR® wall sheathing panels provide easy installation and a fire-resistant solution that may help reduce the number of layers needed in fire-rated wall assemblies. 1/2-inch drywall: 1/2-inch drywall is the most common thickness used for interior walls and ceilings. The thickness of your exterior wall sheathing depends on several factors, including the type of sheathing you are using, the type of wall construction you have, and the climate where your home is located. If you get snow, 1/2" is barely even an upgrade from 7/16". This is the usual thickness that is vital. 1 Sample Specification APA Rated Sheathing 15/32 Performance Category 32/16 Exposure 1 Aug 9, 2022 · This lesson video covers the basics of sheathing in residential wall framing construction as part of our framing series. 3 has excellent water vapour permeance which allows interior water vapour to escape to the exterior and not be trapped within the wall cavity Wood veneers on exterior walls of buildings of Type I, II, III and IV construction shall be not less than 1 inch (25 mm) nominal thickness, 0. (16mm) thicknesses. Pay $4. 5 mm) exterior-type wood structural panels or particleboard and shall conform to the following: 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. 1 mm) exterior hardboard siding or 0. 9 mm) thicknesses, a 48” (1220 mm) width and Mill thickness declaration Reference standards Performance Category Mill number 5. Windstorm lengths are available from 97 1/8″ up to 145 1/8″ in 7/16 and 15/32 thickness categories. The two basic categories of exterior wall sheathing are structural and non-structural. Compliance with the requirements for a means of drainage, and the requirements of Sections 1403. Printing is a feature of Digital Codes Premium. Nov 9, 2023 · 01. For Zones 4–8: Add R10 insulative wall sheathing beneath the new siding. . 11. Jan 11, 2022 · IRC guidelines allow nonbearing interior walls to be a minimum wall thickness of 2×3 lumber, but most are 2×4 or 2×6 dimensional lumber. 6 / EXTERIOR WALLS). More information is available in the installation section below. Colder climates need a thicker layer. or plywood of 0. (b) Wood structural sheathing panels shall consist of 15/32-inch (11. Helps add performance and durability to a wide range of fire-rated and non-fire-rated building assemblies. It is a product of cross-laminated wood sheets that creates strong and durable structure support. 6 Wall Sheathing. (2) The exterior walls of the bottom storeys of 2 Structurally, in most cases, exterior wall framing can easily be 24 in. 9 mm), exterior grade plywood or 7/16-inch (11. 2. 2 cm (15/32 in) for plywood and 1. If you get a lot of snow, most builders I know are going more and more to something closer to 19/32. 1 mm) oriented strand board on all exterior surfaces and shall be fastened in accordance with the Fastener VINAWOOD‘s leading markets for Vietnam Film Faced Plywood, MDO Plywood, Furniture Plywood are United States, Canada, South Korea, the United Arab Emirates, European Union, and Vietnam. Plywood sheathing thickness. 4 to an effective R-19. Blocking shall be not less than 33 mil (0. Hover Image to Zoom. The panel is manufactured with a wax-treated, water-resistant core faced with water-repellent paper on both face and back surfaces and long edges. The walls of an attached garage, on the other hand, use the same Exterior wall envelope test assemblies shall be at least 4 feet by 8 feet (1219 mm by 2438 mm) in size. Based on the chart below, . 3 (3) Requirements for Wood Structural Panel Wall Sheathing Used to Resist Wind Pressures. Generally, a rough cut of 1/2-inch plywood sheathing is used on all exterior walls when frame construction is used. R. South Loop Store. 68 R(total) = 19. 3 (1) through R602. Exterior wall envelope test assemblies shall be at least 4 feet by 8 feet (1219 mm by 2438 mm) in size. The thickness of wood frame exterior walls primarily depends on the type of insulation used. Zone 3: Add R5 insulative wall sheathing or R13 batt. 14 m). For most exterior wall applications, a thickness of 1/2 inch or 5/8 inch is recommended. Dec 21, 2022 · Sheathing is what you do to walls, roofs, or flooring to strengthen the structure or add padding for insulation, soundproofing, or waterproofing purposes. Jun 28, 2022 · Exterior plywood sheathing is used on weather-protected building exteriors like roofs and walls underneath siding. 5) which meant that an 8’ sheet wouldn’t cut it in many places so longer ones were required. 13 EXTERIOR WALL SHEATHING. View More Details. In fact, a wide range of materials can be used to sheathe a wood-framed wall. The U. Jan 6, 2024 · Discover the ideal thickness for exterior walls and get expert tips for insulating them. 7/16 is generally considered the absolute minimum where rafters/trusses are spaced 24" O. 24 pounds per square foot (0. Brick, Cinder Block or ICF are rarely used to build a detached garage. 0 Specification 1. ” The most common sheathing thicknesses are 1. TallWall OSB wall sheathing has been used by the nation’s home-building industry for over 25 years and was the first longer-length wall sheathing in the market. 2 cm or 15/32 inches for plywood. 2 on the exterior side of the frame wall . 6 or any other approved material of equivalent strength or durability. Oct 15, 2010 · The exterior wall section we designed for the renovation of our one-story house, built in 1950, was for existing and new 2x4 walls filled with dense-packed cellulose insulation in the stud cavities, 1/2" plywood sheathing, a fully adhered W. Zones 4A and 4B: Add R10 insulative wall sheathing or R13 batt. What size OSB should be on exterior wall? Exterior walls Minimum thickness of wall sheathing for use on walls; 3/8" plywood or 5/16" OSB. The DensGlass Gold 8 ft. 438-inch (11. (a) Wooden structural sheathing panels shall be installed on all exterior frame walls. (1) masonry exterior wall s, other than cavity wall s, in 1 storey building s and the top storeys of 2 and 3 storey buildings shall be not less than 140 mm thick provided the walls are not more than 2. With integrated moisture, air, and thermal protection, ZIP System has improved its game by reimagining traditional wall assemblies. For example, the nominal wall thickness is 2-1/2 to 5-1/2 inches in width before wall coverings. Additionally, cement board exterior walls are better able to keep moisture out of buildings, helping to prevent mold, mildew, and other common forms of water damage. Nominal Product Thickness (in. Grace Vycor enV-S weather restrictive barrier, covered by 2" of polyisocyanurate board insulation It depends on where you live. 84 mm) thickness. 62+12. 5 inches thick. But sheathing may also be an integral part of the wall structure needed to resist wind loads and seismic forces, as well. Is OSB exterior grade? In Canada, OSB panels are manufactured to meet the requirements of the CSA O325 standard. Exterior wall sheathing refers to the boards or panels outside a home or building wall between the cladding and the studs. x 9 ft. Additional Information, e. Jul 26, 2023 · Structural exterior wall sheathing provides a solid base for exterior finish materials, such as siding or brick, while also adding rigidity and bracing to the wall assembly. It ofers higher design values than FRT plywood at the same thickness and provides a better substrate for securely fastening exterior facing. 8 screws spaced at 6 inches (152 mm) on center to the blocking at the joint. Plywood sheathing is a popular choice for exterior walls due to its strength and durability. Dec 7, 2023 · 1. Exterior wall envelope assemblies shall be subjected to the minimum test exposure for a minimum of 2 hours. 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. Within building codes, guidelines often specify the materials, thickness, and nailing patterns required for sheathing, ensuring the wall can withstand the forces acting on it. 1 cm (7/16 in) for OSB. Zones 4–8: Add R5 to R10 insulative wall sheathing beneath the new siding. Jan 23, 2007 · 1304. The exterior wall thickness can be determined by measuring the thickness of the exterior door casings and/or exterior window casings. 17+5+0. 👉 www. Available in 9’ and 10’ lengths, TallWall provides builders and framers with additional advantages when compared to traditional 4×8 wall sheathing installed horizontally. Sheathing plywood is the same as standard plywood, but it LP® FlameBlock® Fire-Rated OSB Sheathing helps you meet fire codes while reducing dead load and wall thickness versus common alternatives. It offers good structural support and is suitable for standard residential construction. 1/2-inch Sheathing: This is one of the most common sheathing sizes used for exterior walls. OSB built for load-bearing strength in construction. Thicker plywood, like 3/4 inch, may offer more rigidity and resistance to warping. Sheathing 5/16-inch thick is usually the minimum for studs that are spaced every 16 inches and sheathing 3/8-inch thick is usually the minimum for walls with studs spaced every 24 inches. These instructions apply to nominal 1/2-in. have been built with wood-framed walls sheathed with oriented strand board (OSB). Mar 27, 2024 · Plywood is a thin panel of wood sheets, while sheathing plywood is a thicker board or panel. 7 mm) and 5/8” (15. 1. What’s the permeability of ZIP System sheathing panels? The permeability of the entire panel is based on the permeability of the OSB (1-3 perms depending on thickness), while the permeability of the integrated protective Dec 7, 2023 · Choosing the right plywood thickness is crucial for the strength and durability of exterior walls. 95 cm (3/8in) thickness when sheathing is required, for shear wall sections; however, the as common practice is to use sheathing thicknesses greater than code, which is referred to as “code plus. If you use fibre cement siding, go with 1/2" plywood or 7/16" OSB for the exterior walls. 1. Gypsum sheathing shall be attached to exterior walls in accordance with Table R602. About this chapter: Chapter 7 establishes the various types of materials, materials standards and methods of application permitted as interior and exterior wall coverings. 6 m high at the peaks of gable ends. Exterior cement board is easy to install and provides enhanced durability. The sheathing can handle 22 pounds or more per square foot, depending on its thickness and strength. (12mm) and 5/8-in. Sep 26, 2017 · In general, sheathing thickness varies according to the spacing between studs. 04. ): 4 ft. 5 mm) exterior-type wood structural panels or particleboard and shall conform to the following: Another common type of vertical shed siding is T1-11 exterior siding . 2 on the exterior side of the frame wall. The thickness of the exterior window casing is 5. A weather-resistant exterior wall envelope shall not be required over concrete or masonry walls designed in accordance with Chapters 19 and 21, respectively. 8 m high at the eaves and 4. Recommended insulation levels for retrofitting existing wood-framed buildings. Nov 20, 2015 · For the past 30 years, the majority of new homes in the U. 10. Components of exterior walls shall be fastened in accordance with Tables R602. All panels are asphalt coated on both sides for greater weather resistance. This lightweight sheathing's glass mat facers have a treated, water-resistant gypsum core for resistance to wicking, moisture penetration and delamination due to surface water May 6, 2024 · Now that we have explored the factors to consider when choosing the thickness of drywall for exterior walls, let’s take a closer look at the three common options available: 1/2-inch, 5/8-inch, and 3/4-inch drywall. Exterior walls Minimum thickness of wall sheathing for use on walls; 3/8" plywood or 5/16" OSB. Exterior Wall Sheathing features faces made of fiberglass and a core made of moisture-resistant material, making it a durable and long-lasting sub-layer for exterior materials such as brick, siding and stucco. 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. 20-Year transferable limited warranty. Learn about plates, common studs, h AdvanTech® roof and wall sheathing uses advanced resin technology to resist damaging effects of weather with a Structural 1 rating. 5 to 6. Plywood sheathing thickness is written under the building code requirement, where a typical plywood panel should be 0. Load-bearing interior walls are built from 2×4 or 2×6 only. Adhesive Bond Classification 5. 1407. Around here, 1/2" isn't common, or even stocked at the lumber yard. Sheathing conforming to CSA O325 is referenced in Part 9 of the National Building Code of Canada (NBC). Chapter 7 Wall Covering. 5 in. 5+0. as well. Both types are offered in many materials and play a vital role in insulating and increasing the strength of exterior walls. 4 Vertical separations. c. In addition to OSB, builders can choose plywood, fiberboard Sep 7, 2021 · Since there’s no set exterior wall thickness, the only way to determine it is to add the individual components. Typically, sheathing thickness ranges from 3/8 inch to 3/4 inch, but it’s best to consult with a professional to determine the most suitable option for your needs. Shear walls are designed by an engineer to resist the specific forces determined by engineering analysis. Nominal Product WxL (ft. When used as exterior wall sheathing, EXACOR panels can replace fire-retardant treated plywood or OSB, and exterior gypsum sheathing panels in certain fire-resistant rated wall assemblies. Available Sizes & Dimensions • EXACOR wall sheathing panels are exterior walls, wall coverings and components thereof. Generally, 5/8-inch exterior sheathing is recommended for most climates and wall types. The death of the 8’ sheet… One of the biggest items when sheathing a wall vertically is that the sheathing has to be continuous (602. 24 pounds per square foot (psf) (0. x 1/2 in. Gypsum board and gypsum panel products shall be applied at right angles or parallel to framing members. 11 m is added to the interior area measurements: • If the exterior Only Class III vapor retard-ers 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. Except as provided for in Section 1405 for weatherboarding or where stucco construction that complies with Section 2510 is installed, enclosed buildings shall be sheathed with one of the materials of the nominal thickness specified in Table 2304. x 5/8 in. 4, shall not be required for an exterior wall envelope that has been demonstrated through testing to resist wind-driven rain Aug 28, 2013 · OSB wall sheathing comes in thicknesses ranging from 1/4 inch to 1 1/8 inch, but some of those dimensions are hard to find. The exterior wall envelope shall be designed and constructed in such a manner as to prevent the accumulation of water within the wall assembly by Thickness of exterior Walls. Apr 29, 2021 · No, the integrated protective overlay of a ZIP System wall sheathing panel is permeable to allow for drying to the outside. The exterior wall envelope shall include flashing, as described in Section 1405. 2 Weather Protection. Table R602. In this case it will be a window casing. (. 5 to determine the foam thickness to prevent condensation. C. Exterior wall assemblies shall be tested at a minimum differential pressure of 6. Wall sheathing shall be fastened directly to framing members and, where placed on the exterior side of an exterior wall, shall be capable of resisting the wind pressures listed in Table R301. R(total) = 0. x 8 ft. 42. R-1. Exterior: Minimum 7/16 category LP FlameBlock with Pyrotite treatment facing the interior, fastened to supports with minimum 1 7⁄ 1403. TYPICAL SHEATHING TRADEMARKS Shear Walls The engineered version of wall bracing is a shear wall. To prevent wet sheathing, the IRC requires builders to use Table R806. Department of Energy has determined that 7/16-inch sheathing is the minimum appropriate thickness for structural wall sheathing with an exception for gable end walls, where the minimum thickness is 3/8 inch. DensGlass® Sheathing is the #1 architecturally specified fiberglass mat gypsum sheathing 1. 2 MINIMUM THICKNESS OF WEATHER COVERINGS COVERING TYPE Exterior plywood (without sheathing) See Section 2304. Altogether, that’s built-in exterior insulation, an integrated water-resistive thickness. Each horizontal structural sheathing panel shall be fastened with No. Depending on the region, grades of exterior plywood sheathing may range from 1/2-inch to 1-inch, or even 2. Walls with fiberboard absorb humidity in the room and release it outside. It has exterior rated glue to stand up to the elements. The exterior wall envelope shall be designed and constructed in such a manner as to prevent the accumulation of water within the wall assembly by The Premium Performance Exterior Commercial Wall Solution . Metal siding may leak, and hardboard can be prone Shop ZIP System 7/16-in x 4-ft x 8-ft OSB Sheathing in the Plywood & Sheathing department at Lowe's. So companies like Norbord started creating “TallWall” & “WindStorm” panels to help alleviate this 1. S. 2 (2) adjusted for height and exposure using Table Jul 23, 2018 · Exterior wall sheathing strengthens the wall system by tying the framing studs together, which makes the walls resistant to twisting and bending. About This Product. A revolutionary new approach to building enclosures, ZIP System® sheathing and tape streamlines the weatherization process with an integrated air and Nov 12, 2023 · Interior & exterior sheathing should be ⅝” thick, each. Warmer climates require less foam. APA Rated Sheathing 2. Here are some common ranges: 2×4 Walls:2×4 walls are the most common type of wood frame walls. 394 in stock Aisle 16, Bay 007. It is suggested to provide a little more thickness to the sheathing which is 1. 375-inch (9. Keep the humidity of your room balanced for a long time with fiberboards. The wall thickness will go up to 6 ¾”, if you use 2X6 wall studs. DuPont™ ArmorWall™ Systems incorporate five traditional building enclosure elements into a composite panel product: structural sheathing, fire-resistance, air barrier, water-resistive barrier, and a high-performance continuous insulation layer. Exterior walls shall provide the building with a weather-resistant exterior wall envelope. . The exterior wall envelope shall be designed and constructed in such a manner as to prevent the accumulation of water within the wall assembly by EXTERIOR WALLS TABLE 1405. Apr 16, 2024 · These codes can vary by region and are designed to account for potential loads from snow, wind, and the roofing material itself. Eliminates the gable end hinge point when Windstorm extends beyond the bottom chord. Examples: Roof decks over interior or exterior fire walls in single family, multifamily and townhomes. Read our articles on how to optimize your home's insulation for maximum energy efficiency. This standard sets performance ratings for specific end uses such as floor, roof and wall sheathing in light-frame wood construction. 2 and 1404. However, with the addition of exterior insulation, the overall thickness can increase to 5. Thinner OSB sheathing is adequate for rafters spaced up to 16 inches apart, while thicker sheathing is used for rafters spaced further apart, up to 24 inches. Its use does not require wall sheathing and will add structural strength to your shed walls. g. Plywood sheathing is resistant to moisture and can withstand high winds, making it suitable for areas prone to extreme weather conditions. Provides full open-wall cavities that allow for faster and better insulation. 5 inches. At a basic level, sheathing resists racking to keep walls upright. Adding one inch of insulating sheathing (R-5 for this example) will increase a 2x6 stud wall from an effective R-14. 3. Most sheathing is performed using plywood or OSB (Oriented Strand Board), but you can also use foam board or structural fibreboard. 1403. 4. spikevm. Benefits of exterior cement board. What is ZIP System R-sheathing? ZIP System R-sheathing is an all-in-one structural panel with built-in exterior insulation. 608 available. Jan 24, 2024 · The recommended thickness for sheathing on exterior walls can vary depending on factors such as building codes and the specific requirements of the project. Recommended for cold and humid places. Most builders are so comfortable with OSB wall sheathing that they never consider using an alternative material. Sheathing is normally rated CDX, with a C-grade face, D-grade back and X for weather exposure. Some projects require sheathing up to 3/4-inch thick; check with your local The thickness of plywood used for exterior walls will depend on the type of construction, climate, and desired insulation. The 1/2-inch thickness provides adequate rigidity while allowing for easy installation and flexibility in accommodating various exterior finishes. 3. The exterior garage wall thickness (without the siding) should then be 4 ¾”. Fiberglass mat-faced gypsum sheathing for superior mold and moisture resistance compared to paper 2304. Shear walls have specific design values depending on their construction, fastener spacing, fastener size, sheathing thickness and framing species. 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 1404. Exterior insulation and finish systems (EIFS) complying with Section 1407. The outside component of an exterior wall in a mobile house trailer is typically constructed out of one of three different materials: metal, hardboard or vinyl. Delivery Details. Apply for a Home Depot Consumer Card. Flame barriers complying with Section 705. com. PermaBASE cement board products are an ideal solution for exterior walls. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. o. This represents an increase of 35% effective thermal resistance with only 15% increase in the overall wall thickness. Nov 9, 2023 · ZIP System R-sheathing is an all-in-one structural panel with built-in exterior insulation. (The exception, according to the 2015 IRC, is 2×6 walls supporting two full floors plus a roof assembly above, or 2×4 walls supporting one floor plus a roof assembly above. Water-resistant coating. x 4 ft. Exterior Gypsum Sheathing is manufactured with square edges in both 1/2” (12. The problem is compounded because the exterior foam layer and most common roofing materials prevent drying to the exterior. Span Rating 4. bx rd mp ki le eq xk yg yg vd