Add To List Click to add item 5/8 x 4 x 8 OSB to your list. OSB is lightweight, cheap and strong enough to resist bending or breaking should someone be walking on the roof. See Store Availability. THD 5/8 4x8 Oriented Strand Board Tongue and Groove 19/32 (31)-View Details. There are even variants of OSB that come with building wrap already in place, so installation is as easy as taping the seams together. Free Shipping . Oriented Strand Board (OSB) or … Both types of reconstituted wood panels come in different sizes and thicknesses. Besides the very The thickness of OSB that you need varies on where it is used in a building. Sold in Stores 3/4 x 4 x 8 OSB. Blue Ribbon® OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. A staple in a wide range of construction projects, OSB board is used for everything for sheeting through to structural sheathing and more. Despite its common use as such, we don't recommend using OSB for subfloors, but that's really just for aesthetic reasons. Get all the plywood supplies needed to finish your home renovation project here. Oriented strand board (OSB) is commonly used as the primary structural sheathing component in residential construction and low rise commercial applications. OSB and plywood come in thicknesses ranging from 5/16 to 3/4 inch, and the thickness needed for a particular roof depends on several factors, including rafter spacing, expected load and roof design. Unlike other materials, an OSB has a squarer and smaller dimension. Item #193552 Model #31122.0 While a sheet of plywood might be 5 to 7 plies thick, a sheet of OSB is made from as many as 50 strand layers packed and compressed into the same thickness. Thanks Not Available for Delivery . Typically 3/4"(18mm) for floors and 3/8" (9mm) for walls and 1/2" (11mm) roof. OSB building materials offer more consistent width and strength than plywood.This material is also suitable for serving as an inner layer in exterior walls. Sheathing Type Typically, 15/32-inch or thicker panels are required in high-wind areas. Design Capacities for Oriented Strand Board Allowable Stress Design (ASD) ... Methods presented in this section may be used to calculate uniform load capacity of structural-use panels in floor, roof ... 3/8 7/16 15/32 1/2 19/32 5/8 23/32 3/4 7/8 1 1-1/8 Sheathing Span® Our varied selection of building supplies include engineered wood products suitable for subfloors and underlay structures. You can tell the difference between plywood and OSB with one glance – externally anyway. Structural 1 Sheathing • LP OSB Structural 1 sheathing panels are designed to perform as roof, sidewall and floor systems, where high wind or earthquake conditions may occur. Just make sure it is exterior grade ply so it will not delaminate if it gets wet. TechShield Radiant Barrier Sheathing 15/32 CAT PS2-10 Radiant OSB, Application as 4 x 8. Flexible Dimensions. A homeowner recently wrote and asked me the following regarding OSB roof decking: Q. … n Improved fasteners such as ring shank nails increase the uplift resistance of the roof sheathing. New homes will usually see a few rainfalls before a roof is on, and as noted above, OSB doesn't handle moisture well. The 5/8" would be good for the snow loading (live load) in minnesota. To find the amount of plywood needed to cover a roof start by finding the area of the roof. Add To Cart. I have rafters that are 40cms apart beneath the osb sheet. TECO but specifically designed for wall and roof sheathing and subfloor. Roof sheathing may also be constructed of plywood. 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. OSB panels can be manufactured in lengths up to 16 feet (or sometimes even higher), while plywood is generally limited to 8 to 10 feet. OSB panels are one of the most commonly used products for creating subfloor underlays. Oriented Strand Board, commonly referred to as OSB, is a type of engineered lumber similar to particle board, formed by adding adhesives and then compressing layers of wood strands. Compare Click to add item "5/8 x 4 x 8 OSB" to the compare list. Hi there, unfortunately, this 5/8 in. OSB is incredibly more cost-efficient than plywood. Comparing plywood and OSB 4 Ft. x 8 Ft. Huber Zip OSB Wall Sheathing ZIP System Roof and Wall Sheathing panels ZIP System Roof and Wall Sheathing panels are Oriented Strand Board (OSB) structural panels with built-in protective overlays that eliminate the need for building wrap or roofing felt. Most OSB suppliers have a load/span table giving a guide to the spacing of timbers for different thicknesses. There is no question that plywood is better then OSB. Malcolm, I almost always use 5/8" ZIP sheathing on roofs, and metal roofing installers have never questioned it. Installation details shall conform to Sections 2304.7.1 and 2304.7.2 for floor and roof sheathing, respectively. Use 5/8 inch C/C PTS grade for your overhangs and 5/8 inch CDX for the rest. Oriented strand board (OSB) is one of the most popular materials for roof sheathing. So you may want to consider upgrading to 5/8" or 3/4" OSB instead of the typical 1/2" at the roof. Im fixing some tapco tiles to a roof that has 11mm osb board then battens on top. Should you use CDX (plywood) or OSB (oriented strand board) for roofing plywood? Not all decking is the same. Will the 11mm board suffice? While OSB (Oriented Strand Board) is generally cheaper than plywood, it is heavier and not as stiff as plywood and can result in soft squeaky floors under weight.The biggest complaint against OSB is that it doesn't handle moisture very well so it is more suited for indoor use. A good alternative to ply-wood and usually cheaper, we stock OSB3 board in a selection of sizes. Insulfloor 4 Pack 15.5 inch x 48 inch x 1 inch ThermoSmart Subfloor Panel (1) $49. Plywood is a bit more expensive than OSB but is usually stronger. In the case of a subfloor, deformations left in the OSB after it dries can lead to wavy flooring. 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. 7/16 In. Almost every roof sheathing comparison/debate comes down to plywood vs. OSB. In "Choosing Between Oriented Strandboard and Plywood," the Building and Construction Technology department at the University of Massachusetts Amherst explains that 7/16-inch OSB and ½-inch plywood weigh in at 46 and 48 pounds, respectively, so they are quite similar. View Solarbord Product Details » Trubord OSB 4×8 square edge wall and roof sheathing is exceptional value for today’s builders. Solarbord is a premium radiant barrier OSB roof sheathing that reflects 97% of radiant heat for attics that are up to 30% cooler. That has since changed (NJ) and the 7/16" is allowed. 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. Compare. OSB will have more "give" in it than plywood. OSB is widely used as roof decking material. 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