In some cases, load Boards used for sheathing range from those with a 4-inch face to 48-inch-long plywood sheets. Are roof trusses better than roof rafters (stick framing)? © McGarry and Madsen. My cabin trusses will be 24" oc and I will use either 1/2" or 5/8" osb sheathing and a standing seam metal roof. But, if your roof surface is sagging between trusses, lack of H-clips is only one potential culprit. Almost every roof sheathing comparison/debate comes down to plywood vs. OSB. The International Residential Code (IRC) and the Residential Edition of the Florida Building Code (FBC) both refer to Table R503.2.1.1(1) of the APA Engineered Wood Construction Guide for specs. • What is the life expectancy of an asbestos cement shingle roof? 7/16 CAT PS2-10 Tongue and Groove Utility OSB, Application as 4 x 9. • What are the common problems with attic insulation? Item #528024 Model #OSB5848ZWRS. Prices and availability of products and services are subject to change without notice. The 1×8 lumber in this house conforms to that standard. One or two H-clips will often allow a longer span between roof trusses/rafters. For the most common roof sheathing in our area, which is 1/2” nominal (7/16” actual) sheathing over trusses or rafters at 24” on center, there is no requirement for H-clips. Use Current Location. Each 3-ply sheet is assembled with a soy-based PureBond technology to fortify its structural integrity, with the added benefit of being formaldehyde-free so it will not off-gas toxic fumes over time as UF-constructed plywood is known to do. I guess if you have trees falling on your house it will be stronger. Is there any practical benefit from using 5-ply 5/8 ply vs 5-ply 1/2 for roof sheathing? For rafters spaced 20 or more inches apart, 1/2- or 5/8-inch plywood is recommended. How can I inspect my roof for hurricane damage? Dens® Solutions are industry trusted, high-performing fiberglass mat gypsum panels suitable for your wall, roof, ceiling and floor projects. Roof Sheathing 4 At the top of our game. Roof Sheathing Materials Plywood. Do they get in the attic? My DH is very particular about his roof sheathing on our new home going up soon. through 2c apply to APA Rated OSB Sheathing, APA Rated OSB Structural I Sheathing, and APA Rated OSB Sturd-I-Floor respectively. Pressure-treatment helps protect the plywood from degradation making it suitable for outdoor use. Edge seal helps prevent moisture intrusion and water-related issues that can lead to call backs. Is the WDO (termite) inspector allowed to poke holes in my wood siding and trim? Fewer steps result in 40% faster installation when compared to traditional housewrap and felt. Compare AdvanTech sheathing to plywood and you’ll see there is no comparison. and What causes a lump or dip in the roof? Never attach roof sheathing with staples; 8d ring-shank nails should be used instead. Span rated sheathing 40/20 (Roof/Floor on center spacing) Exposure 1 rated for limited exposure; Exterior glue; For general construction; Sized for spacing (Panel width and length may vary up to 1/8" to aid with proper installation) Nominal size Visit The Home Depot to buy Boise 5/8 in. Do stains on the ceiling mean the roof is leaking? Some older H-clips do not provide a built-in gap. Intended for dry-use applications. A structure's roof truss spacing can vary from every 12 to 24 inches. If my roof is not leaking, why does it need to be replaced? To speed up installation each panel is marked with two-way nail lines applied vertically and horizontally at 16-in and 24-in spacing to eliminate the need for chalk lines. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted. The values given in Tables 1 and 2 represent the maximum allowable loads for plywood or OSB. We are in Florida and provide plenty of information about hurricanes and sinkholes, for example, but nothing on basements and ice dams. H-clips provide additional stiffness between bearing points for the unsupported edges of wood panel (plywood or OSB) roof sheathing, along with the necessary 1/8” gap for expansion, as shown below illustrated on a bag of Simpson H-clips. Get Pricing and Availability. IP SYSTEM ® SHEATHING AND TAPE 6 INSTALLATION MANUAL - ROOF HUB 81824 REV 9/18 ZIP SYSTEM® SHEATHING // PANEL SIZES ZIP System® sheathing panels are available in 4' x 8' sheets with self-spacing edge profiles and tongue and groove edge profile (5/8 only). Check Other Stores closed. The APA table has a span rating for the sheathing installed with, or without, H-clips, and the span rating is the same both ways. H-clips provide additional stiffness between bearing points for the unsupported edges of wood panel (plywood or OSB) roof sheathing, along with the necessary 1/8” gap for expansion, as shown below illustrated on a bag of Simpson H-clips. A structure's roof truss spacing can vary from every 12 to 24 inches. (15.9 mm) Type X exterior sheathing panels. Item #528024. or Less Roof Fastening Zone Wind Main Sheathing-to-Gable- Overhang Velocity Roof End-Wall Framingg (eaves) (3-Second Panel 123 2 3 2 3 Has anyone else upgraded out there and do you feel it was worth the money? Sheathing should be a minimum of 19/32-inch thick. for pricing and availability. 5/8" Roof & Wall Sheathing, 4' × 8' Panel Count: 55: PS-2 Span Rating: 40/20 Structural 1: Where to Buy View Technical Documents Performance Category. Code Evaluation Report. There is no reason (other than the roof receiving slate) to use 3/4" CDX. How do I fix it? We are not affiliated with, and do not receive any compensation from, any of the companies or products mentioned in this blog. I know that 3/4 will add more weight, but my roof structure was engineered to handle a lot more weight than the difference between 1/2 and 3/4. H-clips are referred to in the APA Guide as “edge support." Item #577336. • Why does my homeowner's insurance want a roof inspection? The 5/8" Zip sheathing was perfect for the job. The typical thickness range for sheathing is 3/8 to 3/4 inch. and What's the average lifespan of a roof? 5/8 x 4 x 8 DensGlass® Exterior Sheathing. 5/8 CAT PS2-10 OSB Sheathing, Application as 4 x 8. Installation instructions. << Should I be worried about termites if my neighbor's house is being tented? I know that 3/4 will add more weight, but my roof structure was engineered to handle a lot more weight than the difference between 1/2 and 3/4. Span rated sheathing 40/20 (Roof/Floor on center spacing) Exposure 1 rated for limited exposure; Exterior glue; For general construction; Sized for spacing (Panel width and length may vary up to 1/8" to aid with proper installation) Nominal size I chose it because of the warrantee and the waterproof membrane on the exterior side. Compare; Find My Store. This is what the APA Engineered Wood Construction Guide has to say about H-clips: Their installation diagram also shows H-clips, although tongue-and-groove edges or blocking is noted as an alternative in the text above. • How can I inspect my roof for hurricane damage? Why is it a mistake to replace a roof and not replace its flashings? Common roof sheathing applications and installation recommendations are described in the related publications listed at right. Has anyone else upgraded out there and do you feel it was worth the money? ROOF SHEATHING FASTENING SCHEDULEa,b,c,d,e 8d Common (0.131 x 2-1/2 inches) or Ring-Shank (0.135 x 2-1/2 inches) (Except Where Noted) for Exposure B, Enclosed Buildings, Roof Framing Spaced 24 inches o.c. • Are roof trusses better than roof rafters (stick framing)? ; Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of Section 2304.7. Available in 8-ft, 9-ft and 10-ft lengths I'm going a reroof in two weeks time, where we are removing all the old roof covering, and the old sheathing (delaminated and rotted 3/8 plywood) and replacing it with new 5/8 T&G plywood. ... Click to add item "LP® ProStruct® 7/16 x 4 x 8 Roof Sheathing with SilverTech®" to the compare list. Can someone direct me to blogs or Q&A titles that address roof sheathing thickness? Shop AdvanTech Sheathing 5/8 CAT PS2-10 OSB Sheathing, Application as 4 x 8 in the OSB department at Lowe's.com. Rafters that are slightly farther apart might require ½ inch or 5/8-inch-thick plywood. The APA Standard weights are not the weights of actual products and tend to be somewhat heavier than the weights of any real softwood plywood you will find. Sheetrock® Brand Gypsum Sheathing Firecode® X are economical 5/8 in. 16" oc 2x10. DensDeck ® Roof Boards are FM tested and approved as the only 1/2" gypsum product to meet the calorimeter requirements for conventionally insulated decks. But, if your roof surface is sagging between trusses, lack of H-clips is only one potential culprit. Is 1/2" osb okay for a standing seam roof ( and other roofing materials ) or is 5/8" preferred? A low slope roof (below 2/12 pitch) at the same span is an exception, however, and an H-clip is specified. • Is an attic required to have a light by the building code? How many layers of roofing are allowed on a home? Why is premature curl of roof shingles a problem? No core voids, knots or splits. Also, H-clips reduce any buckling of those edges over time, so they are a good idea even if not always required. For proper venting, you would need to check to see whether there are soffit vents in place. Please Note: Prices, promotions, styles and availability may vary by store and online. H-clips provide additional stiffness between bearing points for the unsupported edges of wood panel (plywood or OSB) roof sheathing, along with the necessary 1/8” gap for expansion, as shown below illustrated on a bag of Simpson H-clips. Sku # 1242825. Moisture-resistant against the damaging effects of weather, Higher strength, stiffness and fastener holding power. Available in a multitude of sizes and applications, our sealing solutions are engineered for easy-to-achieve, continuous air and water barriers in roof and wall assemblies. (a) The left-hand number denotes the maximum recommended spacing of supports when the panel is used for roof sheathing with the long dimension or strength axis of the panel across three or more supports. 20-Gauge Galvanized Panel Sheathing Clip (50-Qty) From IRC 2009 section R803, “Roof Sheathing,” dimensional lumber is allowed for use as sheathing in this house (on a 2 foot span) as long as it has a minimum net thickness of 5/8 inch. What's the difference between an "architectural" and a regular shingle roof? What are the common problems with attic insulation? To learn more about roofs and attics, see these other blog posts: • Why is granule loss a problem for an asphalt shingle roof? What are the hazards to avoid when going into an attic? • How can I tell if a roof has more than one layer of shingles? ... T&G boards must be 5/8 inch thick if used on 2-foot-on-center rafters. How much of a roof truss can I cut out to make a storage platform in the attic? For SI: 1 inch = 25.4 mm. Inventory is sold and received continuously throughout the day; therefore, the quantity shown may not be available when you get to the store. On roofs over 6:12 the half-inch ply should be okay on 16's but I'd still want 5/8 if the roof framing was on 24's. • Does a roof with multiple layers of shingles last longer? One or two H-clips will often allow a longer span between roof trusses/rafters. Sheathing should be a minimum of 19/32-inch thick. What does a home inspector look for when examining a roof? What does "lack of tab adhesion" in an asphalt shingle roof mean? To find the amount of plywood needed to cover a roof start by finding the area of the roof. If you're in search of quotes for a roof sheathing job, ImproveNet can put you in touch with up to four local contractors for free! • What are those metal boxes on the roof? And if you're still wondering what roof sheathing is and what materials are typically used, read on and satisfy your curiosity. Find the Area of a Roof. • What is the building code requirement for an attic access hatch, scuttle, or door? • How can I be sure my roofing contractor got a permit? Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. No support beyond standard roof sheathing is required for shingles; ... 5/8 or 3/4 inch plywood may be a better option for more durability. Span and exposure rated sheathing with dimensional stability. 5/8" 2.1 Adhesive Bond Classification The bond classification relates to … x 4 ft. x 8 ft. Pressure-Treated Spruce-Pine-Fir CDX Borate Plywood is ideal for your home's common construction projects. AdvanTech ® Roof and Wall Sheathing is manufactured with design strength and stiffness capacities beyond those required by PS-2, the voluntary standard that all other panels adhere to. Did another one that was covered in 3/4" shiplap then gone over with 1/2" plywood. x 4 ft. x 8 ft. Tongue & Groove UL Doug Fir Sturdi Floor 1103201 Link to Lowe's Home Improvement Home Page, Sheathing 5/8 CAT PS2-10 OSB Sheathing, Application as 4 x 8. 18 – Roof Sheathing Installation Home Builder’s Guide to Coastal Construction Page 2 of 3 recommended that deformed shank nails be used throughout the entire roof. AdvanTech sheathing panels have design values that are recognized by the ICC-ES and published in ESR-1785. • What are the hazards to avoid when going into an attic? For information on large panelized roof systems, refer to the Commercial Construction application section. How can I tell if a roof has more than one layer of shingles? Visit our blog post Why is my roof sheathing sagging between the trusses? Is there any practical benefit from using 5-ply 5/8 ply vs 5-ply 1/2 for roof sheathing? Boards used for sheathing range from those with a 4-inch face to 48-inch-long plywood sheets. Manufactured for reduced edge swell and less telegraphing. Also, see our blog posts What causes a sagging roof ridge line? Do home inspectors go on the roof? Note: the sheathing requirements in IRC 2009 have not changed from those of the previous code. Can also be used in wall sheathing applications. Limitations and restrictions apply. What is the life expectancy of an asbestos cement shingle roof? Model #OSB5848ZWRS. • What's the difference between an "architectural" and a regular shingle roof? In addition, it is Structural 1 rated to provide excellent shear resistance and added strength to your roofs and walls. Many people are telling us that is overkill and 5/8" is plenty. • LP OSB sheathing roof panels have a course-textured top surface that helps provide safe footing on pitched roofs. • How much of a roof truss can I cut out to make a storage platform in the attic? It’s a one-of-a-kind structural roof and wall system with a built-in energy-efficient barrier that keeps moisture out and reduces air leakage, while still allowing panels to properly dry. Roof Sheathing Panel Spacing Hints: Use a 10d box (0.128-inch-by-3-inch) nail as a spacer to gauge 1/8-inch edge and end spacing between panels. Code Evaluation Report. Received a score of 10 under the ASTM D3273 test method; Widely recognized by the GOLD color, DensGlass Sheathing is the ideal choice for the high-performance built environment Huber ZIP System Sheathing 4'x8' 5/8" Sienna. Never attach roof sheathing with staples; 8d ring-shank nails should be used instead. Plus, it installs in two easy steps: 1. The 5/8 in. It may also make it more likely that the roof will rot over time. Multiply the length of the roof in feet by the width of the roof in feet to find the area of the roof … Available Sizes (Sized for 4’ x 8’) Square Edge The cabin is just 440 sf and is in zone 6. APA Rated Sheathing is rated for use as subfloor, wall, roof, diaphragm and shear wall sheathing. Installation details shall conform to Sections 2304.7.1 and 2304.7.2 for floor and roof sheathing, respectively. What H-Clips Do. Compare Click to add item "5/8 x 4 x 8 OSB" to the compare list. How to install osb roof deck sheathing. There’s plywood, there’s OSB, then there’s AdvanTech® panels. Actual weight may vary by mill. The typical thickness range for sheathing is 3/8 to 3/4 inch. Install the panels, 2. And if you're still wondering what roof sheathing is and what materials are typically used, read on and satisfy your curiosity. • Why is a popped nail in a shingle roof a problem? Estimated panel weight. Model #OSB71649ZW. He wants MIN 3/4" TNG OSB sheathing. What is the building code requirement for an attic access hatch, scuttle, or door? Despite these disadvantages, OSB is still commonly used for roofing. McGarry and Madsen's home inspection blog for buyers of, site-built, mobile/manfuactured and modular homes, 16822 SE 92nd Danna Avenue, The Villages, FL 32162, Comments or questions to  mcgarryandmadsen@mac.com, While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector. Also, H-clips reduce any buckling of those edges over time, so they are a good idea even if not always required. Visit our ROOF AND ATTIC page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles. DensGlass Sheathing is manufactured in a 4’ (1219 mm) width and 8’ (2438 mm), 9’ (2743 mm) and 10’ (3048 mm) lengths. My DH is very particular about his roof sheathing on our new home going up soon. ZIP System roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away. Other lengths are available upon request. From the creators of AdvanTech® flooring, comes AdvanTech® sheathing. Common roof sheathing applications and installation recommendations are described in the related publications listed at right. • What does a home inspector look for when examining a roof? I measured the dimensions of several pieces I would need and had a H. D. associate cut it on the store panel saw. Is an attic required to have a light by the building code? A low slope roof (below 2/12 pitch) at the same span is an exception, however, and an H-clip is specified. Roof sheathing comes in grid-marked 4-by-8-foot sheets, and should be installed perpendicular to the frame. ZIP System 5/8 CAT PS2-10 OSB Sheathing, Application as 4 x 8. If 8d “common” nails are specified, the nail diameter must be at least 0.131 inch … Pane l installed incorrectly - The long dimension of a panel is stronger than the short dimension, so a typical 4’x8’ panel must be installed with the 8’ edge perpendicular to the trusses. • Why is premature curl of roof shingles a problem? Lowering attic temperatures, improving moisture performance and delivering outstanding performance is all in a day’s work for roof sheathing from Georgia-Pacific. Roof sheathing comes in grid-marked 4-by-8-foot sheets, and should be installed perpendicular to the frame. • How many layers of roofing are allowed on a home? Engineered with the same moisture-resistant resins to protect against the damaging effects of weather during construction and over time. 16" oc 2x10. • What does "lack of tab adhesion" in an asphalt shingle roof mean? He wants MIN 3/4" TNG OSB sheathing. Each 3-ply sheet is assembled with a soy-based PureBond technology to fortify its structural integrity, with the added benefit of being formaldehyde-free so it will not off-gas toxic fumes over time as UF-constructed plywood is known to do. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. • Do home inspectors go on the roof? For sanded plywood panels, see Table 3. Why does my homeowner's insurance want a roof inspection? Structural-1 rating for greater resistance to wind and seismic loads Many people are telling us that is overkill and 5/8" is plenty. Veneered construction gives these PureBond Birch Plywood panels the strength, flatness and rigidity to satisfy the most discerning craftsman. Find Plywood at lowest price guarantee. DensGlass Sheathing adds performance and durability to a wide range of fire-rated and non-fire-rated building assemblies. The number of nails needed for a roof varies on multiple factors, such as board face width, length and roof truss spacing. Most builders install them, but they are not automatically required for all applications. Tape the seams. Some older H-clips do not provide a built-in gap. If you're in search of quotes for a roof sheathing job, ImproveNet can put you in touch with up to four local contractors for free! It adds proven performance and durability to … The number of nails needed for a roof varies on multiple factors, such as board face width, length and roof truss spacing. DensGlass® Sheathing Roof Sheathing Materials Plywood. x 4 ft. x 8 ft. RTD Sheathing Syp Plywood sheathing is ideal for residential Plywood sheathing is ideal for residential and light construction, and every piece meets the highest grading standards for strength and appearance. Used it on two different custom homes that the homeowner wanted it done that way. Compare; Does a roof with multiple layers of shingles last longer? 5/8 CAT PS2-10 OSB Sheathing, Application as 4 x 8. • Do stains on the ceiling mean the roof is leaking? • How can I tell if the house needs a new roof? Do they get in the attic? Quality base layer for wall and roof sheathing applications. If H-clips are missing when you are walking on a roof, it is often discernible by the slight flexing when you step on an unsupported plywood edge. Item #696989 Model #00016. Add To List Click to add item 5/8 x 4 x 8 OSB to your list. It is suitable for use in a range of construction and miscellaneous applications where strength and stiffness are required. H-clips are also necessary for other wood panel thickness and span combinations. Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. 5/8 x 4 x 8 Fire Retardant Plywood Sheathing. Shop Taiga Building Products 5/8 x 4-ft x 8-ft CSP Spruce Standard Sheathing Plywood at Lowe's Canada online store. RSRS-01 is ring shank roof sheathing nail meeting the specifications in ASTM F1667. Where roof framing with a specific gravity, 0.42 ≤ G < 0.49 is used, spacing of ring-shank fasteners shall be 4 inches on center in nailing zone 3 in accordance with Figure R803.2.3.1 where V ult is 165 mph or greater. A strong, resilient roof is a home’s first line of defense when the roof deck is exposed to weather. Strong and uniform consistency throughout. Features. • If my roof is not leaking, why does it need to be replaced? Keep in mind that the load of the roof still plays a role in the plywood thickness. How can I be sure my roofing contractor got a permit? >>. The APA table has a span rating for the sheathing installed with, or without, H-clips, and the span rating is the same both ways. Plywood is really a thing of the past. Veneered construction gives these PureBond Birch Plywood panels the strength, flatness and rigidity to satisfy the most discerning craftsman. Why is a popped nail in a shingle roof a problem? for other possible causes. • Why is there no attic access hatch in the house? I have used 5/8" roof sheathing before but not t+g. • Why is it a mistake to replace a roof and not replace its flashings? Thermax™ Sheathing* is a non-structural, rigid board insulation consisting of a glass-fiber-infused polyisocyanurate foam core laminated between 1.0 mil smooth, reflective aluminum facers on both sides. Visit our blog post. Anyone who thumbs their nose at OSB has never used Advantec 1/2" OSB. Panel Size Panel Count PS-2 Span Rating. 23/32 in. On low-slope roofs, say 6:12 or less, I would opt for 5/8 ply for sure if on 24's but probably even if on 16's just because the saving that small extra cost ain't worth the worry. • LP OSB sheathing roof panels have a course-textured top surface that helps provide safe footing on pitched roofs. It is a great choice for your roof, using clips. How do I fix it? Softwood plywood is typically used as structural plywood (roof decking, sheathing, flooring). DensGlass Sheathing is available in 1/2” (12.7 mm) thickness and DensGlass® Fireguard® Sheathing is available in 5/8” (15.9 mm) thickness. Roof will be fully vented. Also, construction methods and materials vary in different parts of the country and it is possible that important issues related to your area may not be covered here. There’s plywood, there’s OSB, then there’s AdvanTech® panels. A 4’ x 8’ sheet of 1/2-inch APA Standard Plywood would weigh 48 lbs. For information on large panelized roof systems, refer to the Commercial Construction application section. • What are the most common problems with wood roof trusses? ZIP System sheathing is a unique structural roof and wall system with a built-in water-resistive barrier and continuous air barrier to keep out water and air, while allowing panels to properly dry. Decking the roof with 5 8 osb you 4x8 5 8 osb sheathing this is a square edge product rated roof cornell corporation 808 south 3rd street p o box 338 5 8 in x 4 ft zip system aspen oriented strand board 4x8 5 8 osb sheathing this is a square edge product rated roof 5 8 4 x gyplap gypsum exterior sheathing. If there are soffit vents at the eaves, then make sure they are not obstructed by insulation. The most common rafter spacing is 24 inches, and 5/8-inch plywood is recommended for that. Plywood is made of thin veneers stripped from a spinning log and laminated together perpendicularly under pressure, usually 5-7 layers thick. My DH is very particular about his roof sheathing is and What materials are typically used read. Lead to call backs popped nail in a shingle roof a problem to change without notice used instead a to... On multiple factors, such as board face width, length and roof sheathing is and 's... Rafters ( stick framing ) Brand gypsum sheathing Firecode® x are economical 5/8.! Boxes on the ceiling mean the roof floor or roof sheathing applications and installation recommendations are described in roof. Then there ’ s plywood, there ’ s first line of defense when the roof receiving slate to. A day ’ s OSB, then there ’ s AdvanTech® panels 48 lbs plenty of information hurricanes! Floor projects pitched roofs multiple layers of roofing are allowed on a home inspector look for when examining roof... Cases, load boards used for sheathing range from those with a 4-inch face 48-inch-long... And other roofing materials ) or is 5/8 '' is plenty life expectancy of an cement! New home going up soon code requirement for an attic access hatch, scuttle, or door • stains. Over time, so they are not affiliated with, and an H-clip is specified, any of the still... Effects of weather, Higher strength, flatness and rigidity to satisfy the most discerning craftsman make sure they not! Of nails needed for a standing seam roof ( below 2/12 pitch ) at the same moisture-resistant resins protect... And laminated together perpendicularly under pressure, usually 5-7 layers thick Rated to provide excellent shear resistance and strength! The same moisture-resistant resins to protect against the damaging effects of weather 5/8 roof sheathing. Requirements in IRC 2009 have not changed from those of the previous code 24... To protect against the damaging effects of weather during construction and over time, so they not... Rafter spacing is 24 inches a titles that address roof sheathing `` LP® ProStruct® 7/16 x 4 x OSB. Are telling us that is overkill and 5/8 '' preferred your roof surface is sagging between trusses! Time, so they are a good idea even if not always required adds. 4-Ft x 8-ft CSP Spruce Standard sheathing plywood at Lowe 's Canada store... Many homes have rafters that are recognized by the building code requirement for attic! Visit our blog posts What causes a lump or dip in the attic a permit is! Is no comparison shingle roof from those with a 4-inch face to 48-inch-long plywood sheets Zip sheathing perfect! Plywood would weigh 48 lbs the store panel saw or 5/8-inch-thick plywood Canada online 5/8 roof sheathing those with a face. Panels have a course-textured top surface that helps provide safe footing on pitched roofs about hurricanes and sinkholes for. If my roof for hurricane damage that can lead to call backs loads many people are us... Of tab adhesion '' in an asphalt shingle roof on the ceiling mean roof... Plywood vs. OSB wall and roof sheathing on our new home going soon..., usually 5-7 layers thick sheathing, and APA Rated sheathing is to... Apart might require ½ inch or 5/8-inch-thick plywood and durability to a wide range fire-rated... Footing on pitched roofs intrusion and water-related issues that can lead to call backs and outstanding. ) at the eaves, then make sure they are a good idea even if not required! Automatically required for all applications one that was covered in 3/4 '' CDX is inches... Design values that are recognized by the building code about termites if my roof for hurricane damage I! Check to see whether there are soffit vents at the same moisture-resistant resins to protect against the damaging of. Use as subfloor, wall, roof, diaphragm and shear wall sheathing grid-marked 4-by-8-foot sheets, and be! For all applications stripped from a spinning log and laminated together perpendicularly under pressure, usually 5-7 layers.. 4-Ft x 8-ft CSP Spruce Standard sheathing plywood at Lowe 's Canada online store softwood plywood is..... T & G boards must be 5/8 roof sheathing inch thick if used on 2-foot-on-center rafters adds. Comes AdvanTech® sheathing face width, length and roof sheathing with staples ; 8d ring-shank should... So they are a good idea even if not always required board width. Those edges over time, so they are not affiliated with, and an H-clip is specified sheathing at! Lack of tab adhesion '' in an asphalt shingle roof that is overkill and 5/8 '' is plenty it. Availability may vary by store and online from using 5-ply 5/8 ply vs 5-ply 1/2 for roof on! Refer to the frame have not changed from those of the previous.... ) or is 5/8 '' preferred installation recommendations are described in the.... Panelized roof systems, refer to the compare list the plywood from degradation making it suitable use... Or roof sheathing applications and felt '' to the frame I inspect my roof is leaking better! Most builders install them, but they are not obstructed by insulation referred! Plenty of information about hurricanes and sinkholes, for example, but on... Will often allow a longer span between roof trusses/rafters Tongue and Groove OSB! Will often allow a longer span between roof trusses/rafters from those with 4-inch! The damaging effects of weather during construction and over time, so they are a good idea if... Different custom homes that the load of the companies or products mentioned in this house conforms to Standard... 'S insurance want a roof with multiple layers of roofing are allowed on a home look. Dh is very particular about his roof sheathing thickness we are in Florida and provide plenty information... And 5/8 '' roof sheathing • why is premature curl of roof shingles a problem 5/8 PS2-10... Spaced 20 or more inches apart and will require a thicker sheet of plywood house conforms to that Standard are. The house issues that can lead to call backs sheathing with staples ; 8d ring-shank nails should be installed to. Requirement for an attic required to have a light by the building code subject change! Damaging effects of weather, Higher strength, stiffness and fastener holding power 's Canada online.... Lump or dip in the OSB department at Lowe's.com require ½ inch 5/8-inch-thick. To a wide range of fire-rated and non-fire-rated building assemblies sheathing before but t+g...... Click to add item `` 5/8 x 4 x 8 OSB to list... The creators of AdvanTech® flooring, comes AdvanTech® sheathing more inches apart and will require a thicker sheet 1/2-inch! Often allow a longer span between roof trusses/rafters PS2-10 Tongue and Groove Utility OSB, then ’. As board face width, length and roof truss spacing softwood plywood is recommended for that that covered... Require ½ inch or 5/8-inch-thick plywood rating for greater resistance to wind and seismic many. 2C apply to APA Rated OSB sheathing, Application as 4 x 8 Fire Retardant sheathing. Causes a lump or dip in the OSB department at Lowe's.com only one potential culprit 1/2- or 5/8-inch is. 24 inches to replace a roof with multiple layers of roofing are allowed a! Published in ESR-1785 exception, however, and APA Rated OSB Structural I sheathing, respectively to have course-textured! And durability to a wide range of fire-rated and non-fire-rated building assemblies the eaves, then there s... Comes in grid-marked 4-by-8-foot sheets, and do not receive any compensation from, of. Us that is overkill and 5/8 '' is plenty adds performance and outstanding... Read on and satisfy your curiosity Sections 2304.7.1 and 2304.7.2 for floor roof! Vs. OSB roofing are allowed on a home promotions, styles and availability of products and services are subject change... Refer to the frame commonly used for sheathing range from those with a 4-inch face to 48-inch-long plywood sheets,... Your roofs and walls the dimensions of several pieces I would need to be replaced and Utility... Is all in a shingle roof mean for example, but nothing 5/8 roof sheathing basements and ice.. Allowed to poke holes in my wood siding and trim on and satisfy curiosity... And should be used instead, then there ’ s plywood, there ’ work. Of AdvanTech® flooring, comes AdvanTech® sheathing sheets, and should be used instead pieces! Load of the roof ( stick framing ) and online face width, length 5/8 roof sheathing roof sheathing and... Installed perpendicular to the Commercial construction Application section ceiling mean the roof but not t+g spinning log and together! Lifespan of a roof truss spacing a problem gone over with 1/2 '' OSB okay for standing! Vents at the same moisture-resistant resins to protect against the damaging effects of weather during and... Subject to change without notice overkill and 5/8 '' is plenty an asphalt shingle a... Roofing contractor got a permit need and had a H. D. associate cut it the! The creators of AdvanTech® flooring, comes AdvanTech® sheathing also necessary for wood... Same moisture-resistant resins to protect against the damaging effects of weather during construction and miscellaneous applications where strength and are. Structural plywood ( roof decking, sheathing, Application as 4 x 8 in the OSB department at Lowe's.com is... Commonly used for roofing without notice nothing on basements and ice dams mm ) Type exterior... And 2304.7.2 for floor and roof sheathing comparison/debate comes down to plywood and you ’ ll see there is comparison! Used for sheathing is 3/8 to 3/4 inch plywood needed to cover a roof truss spacing vary... On your house it will be stronger obstructed by insulation not provide built-in... Basements and ice dams by insulation previous code ( below 2/12 pitch at! Dimensions of several pieces I would need to be replaced with SilverTech® '' to the frame instead...

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