What sizes does OSB come in?


Louise Mcgee   |   Member since 2009  |  10+ Answers Submitted  |  ✔ Verified

OSB panels are available in a variety of thicknesses and sizes. They are manufactured in both imperial and metric sizes, and are either square-edged or tongue-and-grooved on the long edges for panels 15 mm (19/32”) or thicker. The most common panel size is 1220 x 2440 mm (4 x 8 ft).

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Fred Waterson   |   Member since 2010  |  10+ Answers Submitted  |  ✔ Verified

Also, what size is 3/4 OSB?

Our plywood calculator can estimate the number of 4? x 8? sheets needed for a project. Plywood is usually sold by the sheet, but in some rare cases it may be sold by the board foot. Common Plywood Dimensions.

what thickness OSB should be used for roofing? 7/16-inch.


Bridget Styles   |   Member since 2011  |  10+ Answers Submitted  |  ✔ Verified

Beside above, are there different OSB grades?

Five grades of OSB are defined in EN 300 in terms of their mechanical performance and relative resistance to moisture: OSB /2 – Load-bearing boards for use in dry conditions; OSB /3 – Load-bearing boards for use in humid conditions; OSB /4 – Heavy-duty load-bearing boards for use in humid conditions.


Emery Cameron   |   Member since 2015  |  10+ Answers Submitted  |  ✔ Verified

How much does a sheet of OSB cost?

OSB (Oriented Strand Board) Prices The low price point has given OSB an edge in popularity over T1-11. A sheet of this composite sells for around $5 less than its counterpart, with a cost between $15 and $43 per sheet depending on thickness. Like plywood, OSB describes engineered lumber.


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Related Answered Questions

Below is a list of answers to questions that have a similarity, or relationship to, the answers on "What sizes does OSB come in?". This list is displayed so that you can easily and quickly access the available answers, without having to search first.

Judith Nanton   |   Member since 2012  |  ✔ Verified

How much does a sheet of plywood cost?

Cabinet Grade Plywood Thickness Type Price1/4" Oak Plywood $25.971/2" Oak Plywood $42.971/2" Birch (3 ply) $41.973/4" Birch (5 ply) $44.97


Valerie Walsh   |   Member since 2010  |  ✔ Verified

How do you attach OSB to studs?

OSB panels can swell slightly so leave a 1/8-inch gap between panels during installation. A simple way to do this is to tap a couple of 16d nails into the stud beside the last panel you installed. Don't hammer them all the way in — just far enough to hold the nails in place.


Willow Tyrrell   |   Member since 2007  |  ✔ Verified

Can you use OSB outside?

Oriented strand board (OSB) is far superior to particle board for exterior use. Even the old type OSB used as a substitute for plywood is decent in exterior applications, although it will absorb water if exposed.


Carla Carter   |   Member since 2005  |  ✔ Verified

Is 7/16 OSB OK for flooring?

Firstly 7/16 is a roof or wall sheathing and is not for flooring. Secondly you have installed the panels with the strength axis parallel to your joist/ceiling joists. OSB stands for Oriented Strand Board and that means the wood strands are laid up so one direction is stronger than the other; the same way plywood is.


Ronald Saunders   |   Member since 2009  |  ✔ Verified

How much weight can 3/4 OSB support?

Medium OSB Panels of OSB that are 23/32- and 3/4-inch-thick, set on joists 24 inches OC, can bear 100 psi live weight and 10 psi dead weight. Panels that are 7/8-inch and 1-inch-thick, mounted on joists 32 inches OC, can bear 100 psi live weight and 10 psi dead weight.


Tess Norton   |   Member since 2019  |  ✔ Verified

How much does a sheet of 5/8 OSB weigh?

Related Pages: Weight of Plywood, Etc. - Pounds per Sheet (4 ft x 8 ft)Particle Board 35 lbs 91Thickness1/4" 5/8"OSB 29 lbs 67


Camden Jones   |   Member since 2006  |  ✔ Verified

What does OSB 3 mean?

Oriented Strand Board


Jacqueline Rothwell   |   Member since 2018  |  ✔ Verified

Which side of OSB goes up?

Answer. OSB roof panels should always be installed with the grade stamp facing into the attic and the screened surface (with the nail guide lines) facing up.


Rosalie Walsh   |   Member since 2020  |  ✔ Verified

Is OSB stronger than plywood?

Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists. However, nail-holding ability controls performance in shear wall applications.


Mackenzie Ward   |   Member since 2009  |  ✔ Verified

Can OSB be painted?

Yes, you can paint OSB, but it is important to first understand OSB's many limitations regarding paint application.


Barry Waterhouse   |   Member since 2012  |  ✔ Verified

Is OSB board toxic?

Yes, OSB or Oriented Strand Board does have a low, but existing toxicity, due to the resin in it. The resin puts out a low level of formaldehyde gas, which is not more than 10 percent of national standards. It also has methylene-disocyanate (MDI), which is also toxic.


Ron Walker   |   Member since 2020  |  ✔ Verified

Can you waterproof OSB?

OSB is strong and water-resistant. Every single fiber or piece of wood in an OSB is saturated with a cocktail of resins designed to provide superior strength and waterproofing to the finished product. This type of board is an excellent material for use in waterproofing systems, be they roof, sub-floor or wall.


Ciara Bright   |   Member since 2017  |  ✔ Verified

Is OSB cheaper than plywood?

OSB is cheaper than plywood by about $3 to $5 per panel. For a typical 2, 400 sq. ft. home, OSB is about $700 less expensive compared with plywood if used as the subfloor, sheathing, and roof decking.


Andrea Bishop   |   Member since 2008  |  ✔ Verified

Is OSB a structural 1?

Structural I, also referred to as “STRUC I, ” may be OSB or plywood and is, essentially, a subcategory of APA Rated Sheathing. Specialized construction situations requiring installation of roof sheathing panels with the strength axis parallel to supporting structure also benefit from the use of Structural I Sheathing.


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