can i use 1 2 inch osb for roof decking

The Minimum Plywood for Roofing | Home Guides | SF Gate

6 Dec 2018 ... Plywood used for roof decking is typically called sheathing and carries a ... The material cuts easily using a circular saw or handheld cutting tool equipped with a 3-inch ... Most roofs will be sheathed in plywood at least 3/8 inch thick. ... For rafters spaced 20 or more inches apart 1/2- or 5/8-inch plywood is...

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Which OSB board thicknesses are suitable for what? | SWISS ...

If you only intend to use boards as cladding for visual effect they can be relatively ... SWISS KRONO OSB is ideally suited as roof boarding. ... It can be sealed with bitumen or membrane and covered with zinc sheeting or ... 30mm: panelling for fire resistance of 30 minutes based on the burn rates defined in DIN EN 1995-1-2

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Which way should you install OSB on a roof? | Norbord - North ...

19 Jan 2018 ... The same goes for wall sheathing and flooring panels; always install with the grade stamp up so that inspectors can do their jobs easily. Having...

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How thick should my roof sheathing be? - GreenBuildingAdvisor

6 Apr 2018 ... 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. The cabin is just 440 sf and...

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APA Engineered Wood Construction Guide-Roofs

or Exterior APA STRUCTURAL I RATED SHEATHING Exposure 1 or Exterior and APA RATED ... shall be located 3/8 inch from panel edges. ... protection against excessive moisture prior to roofing application. 2. ... PLYWOOD THICKNESS AND MAXIMUM SPANS FOR ROOF DECKS UNDER SPECIAL COATINGSa. Grade.

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1/2" OSB vs 7/16" OSB for Wall Sheathing? - Seven Trust

Is it worth it to spend an extra $440 for 1/2" OSB for wall sheathing over 7/16"? ... (Fwiw as a GC I would use it on my own home) if your roof is trussed ... In this case it can be helpful to use 1/2" to match the thickness of the other sheathing. ... 'Enhanced' 23/32-inch-thick OSB subfloor panels show reduced thickness swell...

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Roof Sheathing & Decking Roofing Exam Study Guide ...

2 May 2017 ... You can use 1×4 1×6 1×8 1×10 or 1×12 boards however boards ... Plywood thickness should at least be 1/2 inch thick for roof sheathing...

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Meeting Fire Codes with OSB - WoodWorks | Wood Products ...

(FRCC OSB) sheathing for wall and roof sheathing ... 2. Explain how FRCC OSB sheathing can be used to reduce labor costs and construction time. 3. ... A common application for ... wood framing a shear panel layer if needed then 1 or 2.

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Mastering Roof Inspections: Asphalt Composition Shingles ...

When discussing roofs the substrate can be the wood roof sheathing or if new ... wall and floor coverings we'll use the full terms “roof sheathing” and “roof deck. ... compared to 1/2-inch plywood installed on rafters spaced 24 inches on center...

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Plywood vs. OSB: Which is Better? – Parr Lumber

3 Oct 2013 ... Over the years I have seen claims for plywood decking delaminating which can ... pounds or more per sheet depending on its thickness and intended use—but ... When used as a roof sheathing this tendency to hold moisture means it can ... 1 inch OSB underlayment compared to 7/8 inch CDX plywood.

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WATCH THIS BEFORE Sheeting Your Roof With OSB!!! (avoid ...

18 Nov 2017 ... I'm halfway though sheeting the roof of my shipping container shop and ... Your browser does not currently recognize any of the video formats...

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OSB Design and Application Guide - PFS·TECO

similar information for OSB used as wall and roof sheathing. Section 4 ... the glue bond under intended end-use conditions and does not relate to ... Exposure 1 is defined in PS 2 as a bond classification for ... 23/32 3/4 7/8 1 and 1-1/8 inch.

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Oriented Strand Board (OSB board) vs. Plywood | Family ...

OSB board and plywood can both be used for walls floors and roofs but there are ... OSB sheathing costs a few dollars less per sheet than 1/2-in. plywood.

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How to install roof sheathing | Pro Builder

Follow these steps for installing roof sheathing (roof decking) to ensure optimal ... Plywood and OSB are ideal materials for roof sheathing systems and ... Fasten panels with a minimum of 8d Common (0.131-inch by 2-1/2-inch) nails spaced a ... Use temporary fasteners at corners if needed to square panel on framing. 2.

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Proposed Modification to the Florida Building Code

ALLOWABLE LOAD (PSF) FOR WOOD STRUCTURAL PANEL ROOF SHEATHING6 OVER TWO OR ... Structural I Sheathing. 7/16. 15/32. 1/2. 19/32 5/8. 23/32 4/4. 24/0 24/16 ... 2. For composite and 4-ply plywood marked PS 1 load shall be reduced by 15 psf. 3. ... Edges shall have solid blocking for 24-inch span. 5.

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Thickness or Rating - The Ontario Building Code

(1) The thickness or rating of roof sheathing on a flat roof used as a walking deck shall ... on a roof not used as a walking deck shall conform to either Table 9.23.15.7. ... Column 2. Minimum Thickness mm. Plywood and OSB O-2 Grade.

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1/2" Vs 5/8" Roof Sheathing - Roofing - Contractor Talk

Does anyone have a preference or reason for using 5/8" over 1/2" ... i have never had a problem with 1/2 inch. ... That Amazing i dont know of one builder here in minnesota that uses 5/8 for roof decking most use 7/16 OSB...

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1/2 4 ft. x 8 ft. Oriented Strand Board-660663 - The Seven Trust

Product Overview. Oriented strand board (OSB) for use in construction; Durable wall and roof sheathing panels; Structurally rated for construction purposes. OSB is...

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Required Sheathing Thickness for Roofing | Hunker

With edge support and the same snow load 3/8-inch OSB can be used. Edge support is typically ... Take the roof's total square footage and divide by 32. You should be prepared to ... Install sheathing perpendicular to roof trusses one slope at a time. Start the sheathing at the ... How Much Roof Overhang for a Metal Roof? 2...

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1/2" VS 5/8" Roof Decking - Fine Homebuilding

However he started the roof decking over the weekend and is using […] ... You'll be fine with 1/2 inch decking. ... a sheet then 1/2" that does include the minimal extra time it will take to set ... And osb should never go on a roof.

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Specifications - LP Building Solutions

LP OSB sheathing roof panels have a course-textured top surface that helps provide safe ... exposure will not affect the panels' structural performance. • LP OSB ... Use 8d common nails for panels up to 1” thickness. For panels over 1” use ... be greater than 1. (b) All panel edges backed with 2-inch nominal or wider framing.

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Wood Decks - Roof Repairs Roofing Contractors Roof ...

Plywood - If you have a plywood roof deck make sure that you have at least 15/32" (or ½") plywood thickness if the rafters are set at sixteen inches (16") on center. ... All plywood should be Exposure 1 Rated plywood and be rated for structural use ... Full nominal 1/2" thick panels are available and also have a 32/16" Span...

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Choosing Between Oriented Strandboard and Plywood ...

Like it or not osb will define the future of the structural sheathing market. ... The weights of osb and plywood are similar: 7/16-inch osb and 1/2-inch plywood ... adequate roof ventilation and application of a warm-side vapor barrier will help...

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When It Comes To Roof Sheathing OSB Has ... - Product Info

like core-voids and knot holes so you can use ... OSB roof sheathing is characterized by quick and easy ... imum 1/8" gap on all butting edges and edge clips ... OSB Sheathing. Edges Supported. (1). Span Rating. Common Thicknesses. (2).

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installation manual - Huber Engineered Woods

installing ZIP System® sheathing in a roof application. Do not wear ... board (OSB) wood structural panels with built-in protective overlays ... ZIP System® sheathing can be used with a range of exterior ... The green ZIP System sheathing denotes a 7/16-inch panel while the sienna ZIP System sheathing denotes either a 1/2-.

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Can I replace just part of a 1x6 roof deck with OSB? - Home ...

20 Aug 2019 ... Is it ok to replace the lower half of the roof with 3/4 or 1/2 inch plywood and keep the top half 1x6s? I figure as long as the lower part of the roof...

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How to Install OSB Roof Sheathing or Decking

2 Oct 2013 ... Your browser does not currently recognize any of the video formats available. ... 1. Moisture Management - Keep your OSB roof sheathing dry before and after you install 2. ... Proper fastening - Make sure you use proper fasteners and space them accordingly http://www.norbord.com/na/roof-sheathing.

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What You Need to Know about Roof Sheathing

22 Nov 2016 ... Roof sheathing provides an area where the surface material can be attached ... The reason to use OSB would be cost – about $3 less per sheet than ... but typically 1/2-inch-thick structural wood panels are used on roofs with...

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1/2 x 4 x 8 OSB at Menards®

1/2 x 4 x 8 OSB. ... Maximum Quantity of 115 can be purchased per order. ... Performance- rated panel for use in general construction as wall sheathing. ... Span rated sheathing 32/16 (Roof/Floor on center spacing); Exposure 1 rated for limited ... 1/2 inch. Grade. Exposure 1. Nominal Width. 4 foot. Application. Residential &...

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Who's On Deck: Plywood Or OSB? - Atlas Roofing

28 May 2016 ... Both OSB and plywood panels can cut and installed on a roof using ... Wood Flooring Association recommends 1-inch OSB underlayment...

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1/2 plywood vs. 7/16 OSB sheathing - Country Plans

11 Dec 2005 ... CDX does seem to hold a screw better if you're using a metal roof. Wafer board will swell more than CDX when wet and should be spaced...

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Lawriter - OAC - 4101:1-23-01 Wood. - Ohio Revised Code

Hardboard underlayment shall meet the strength requirements of 7/32-inch ( 5.6 mm) ... Lumber timber plywood piles and poles supporting permanent structures ... End use for which the product is treated. ... The roof framing modification factors shall take into consideration the ... 2304.6.1 Wood structural panel sheathing.

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Roof Sheathing Installation

Page 1 of 3. Purpose: To provide information about proper roof sheathing installation emphasize its ... although plywood will provide higher nail head pull-through resistance. Use panels rated as ... An 8d nail (2.5 inches long) is the minimum size nail to use for fastening sheathing panels. Full round heads ... Page 2 of 3.

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7/16 OSB roof deck - JLC-Online Forums

You Seven Trust dont have 1/2" in texas or what? ... I never use the 7/16 stuff if you can choose materials always go with 19/32. ... Sheathing panels with a span rating of 32/16 can span up to 32 inches as roof sheathing and up to 16...

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OSB for sheathing - Fine Homebuilding

Am I ok using 7/16 osb for sheathing on roof and walls 16 oc framing. ... I only use 1/2" OSB on roof sheathing but the APA rating of the OSB ... You have a joist at 8' 16' 24' etc and not at 8'1/8 inche 16' 1/4 inch 24 foot 3/8 inche etc. ... Not only does it require very little persuasion {half the sheets I can kick...

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Min. thickness roof sheathing residential

In fact one can even peruse the ICC codes and find some useful info about what is legal in ... would often get a change order approved to go ahead and deck with half-inch. ... Back in “the day” you could use 3/8" plywood with rafters on 24" oc.

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Replacing plywood roof deck - Roofing/Construction ...

Any reason I can't use my roofing nailer to nail down the new sheathing? ... I went with 7/16" osb to match closer to the 3/8" rather than use 1/2" and cause a...

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Floor and Roof Sheathing | UpCodes

... and structural roof sheathing shall comply with Sections 2304.7.1 and 2304.7.2 respectively. ... ALLOWABLE SPANS FOR LUMBER FLOOR AND ROOF SHEATHINGa b ... For SI: 1 inch = 25.4 mm 1 pound per square foot = 0.0479 kN/m2. ... For composite and four-ply plywood structural panel load shall be reduced by...

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Roof Nailing Over Skip Sheathing - Nevada County

which include plywood and oriented strand board may be used for this purpose. ... spaced boards to the rafters or trusses the resulting roof structure will have ... to framing through spaced boards using 8d box nails (0.113 x 2-1/2 inches).

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OSB or Plywood for Roofs Walls & Floors Which is better ...

9 Oct 2019 ... Since anyone using plywood as sheathing will usually use 1/2" (also 2/3rds of a perm) according to code all sheathing is a Type II vapour...

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