Thus OSB should be protected from wetting during construction whenever possible.". Thank you everyone. It is all done on my phone. However, there IS a common reason to upgrade the thickness of the roof sheathing as explained above. IF the entire wall will be sheathed in OSB, then no. If you use the thinnest sheathing possible that still meets the span requirements it feels AWFULLY squishy (that's why most of you go to 19/32" sheathing--which BTW is typically rated at 40/20). 0000031277 00000 n You pretty much now it all hey Fred? I was doing testing on the effects of edge swell telegraphing through roof shingles with a couple engineers from major lumber companies way back about 1980, and can even tell you that the edge swelling is not even the major cause of seeing the OSB through the shingles. ... Find My Store. The 24/16 rating of 7/16" OSB will pass code for any standard construction (walls &roof). It adds proven performance and durability to … A study shows that any differences that may be there in percentages and resin types are "moderately positive" in the short term and mostly indistinguishable in the long term. For rafters spaced 20 or more inches apart, 1/2- or 5/8-inch plywood is recommended. "Thanks to patent-pending Down Pore® self-draining technology and a proprietary edge seal, our panels withstand the elements so well that they can allow framers to extend their building season." The green ZIP System sheathing denotes a 7/16-inch panel while the sienna ZIP System sheathing denotes either a 1/2-inch or 5/8-inch panel. It’s a newer one. 0000004510 00000 n It can save $3K - $5K per house built when used as subfloor material. Don’t risk losing buyers because of little things you overlook. But, there is an exception to pressure-treated CDX; they can withstand extreme moisture without getting water damaged. And that Weyerhauser isn't even the best per third party tests. Avoid roof complaints with proper framing, sheathing and roofing techniques. Just shows how little you know. 0000009518 00000 n This is why plywood is considered as the better option for roofing. We were quoted 1/2 OSB for the roof. 0000001623 00000 n Plywood vs. OSB: Which is Better? Item #577336. 23/32 in. 0000048055 00000 n • Wall panels 7/16 Category may be used on studs spaced up to 24” o.c. I am a general contractor as well as having an electrical license along with other professional licences and credentials. The National Roofing Contractors Association and the Asphalt Roofing Manufacturers Association both gave the thumbs-up of approval to use OSB for roof sheathing, provided that each sheet has approval from the APA – … But the tape must be applied with care. In Canada, we see OSB all over the place. ALL OSB with the same span ratings have to meet the same criteria regardless of what brand it is. 0000017950 00000 n Always ensure your work site is compliant with current OSHA regulations. When the roofing material dries quicker, it can be used to make sure that the roof will stay firm for a longer time. Tar paper / rolled roofing is perfectly acceptable for shedding water, as long as it is in place. Yah...OSB (the cheap stuff...not the expensive Advantech) is a horrible thing to fasten to or to glue to. Just because I don't choose to use Houzz's help forum as a business advertising platform, a means of self promotion, or a way to interject "hire a professional" into every DIY discussion, doesn't mean I am not a professional, just one with higher standards that knows a lot more than you. 0000031354 00000 n Thanks! Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. 0000026334 00000 n 0000003699 00000 n Hope this helps Steve...See More. OSB cannot be "glued to"...because the wax/adhesives prevent adhesion. Sounds like you may have been drinking last night. I don’t paint, but I bet a good roller would make the work easier, as you wouldn’t have to cut in around the ceiling. http://trace.tennessee.edu/cgi/viewcontent.cgi?article=3731&context=utk_gradthes. Now it is just easier to see because it is in a chart form. If you take a "ride in the country" you will see roofs with "tar paper" only. Trubord 7/16 is rated 24/16 and 15/32 and 1/2 are rated 32/16. 0000031629 00000 n Some local codes allow for 1 layer...but MANY require two. So, yes, I am a proffesional with lots of experience in MANY fields, unlike @ultimate. 7/16 is generally considered the absolute minimum where rafters/trusses are spaced 24" O.C. The thickness required by Josh’s circumstances are good for roof snow loads of up to 70 psf (again spanning 24”). OSB is just the product of choice for cheap/fast builds. It appears that Weyerhauser agrees with me. Finally the stinging subsided and he passed out in the backyard on a comforter with a fire going...completely exhausted. I'm replacing the exterior walls of a mobile home which thickness is the best for OSB 7/16 or 1/2. How's everyone else doing tonight? I've run into single layer subfloors so many times I could just SPIT! OSB is fabricated from relatively large wood chips and adhesive. It is cheap and easy to find. 0000002289 00000 n 0000011103 00000 n My guess is that it is better than 7/16, but 19/32" could still show noticeable improvements over 1/2". It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. 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. Counter Top Fabricator / Installer Battle - Quartzite Waterfall Island. Each panel thickness can be used interchangeably in roof sheathing or wall sheathing applications. 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Is there any practical benefit from using 5-ply 5/8 ply vs 5-ply 1/2 for roof sheathing? 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! This is because the glue and resin used in its processing prevent it from absorbing water even during the extremely hu… x 4 ft. x 8 ft. Zip System Aspen Oriented Strand Board Roof Sheathing appears to have been discontinued and is no longer in stock or available for purchase on Homedepot.com. Anything thicker than 19/32" would probably be overkill. 3 hours...by far the worst ever...he has had a sting before and never reacted so strongly...Benadryl, Tylenol, ice, topical anesthetic....Lord have mercy it was literally a "scream", and not the good kind. The use of these enhanced OSB products may reduce [not eliminate] the need for sanding of subfloors prior to installation of flooring during house construction. 0000004777 00000 n 2 perm 7/16 OSB sheathing with a 30 perm WRB results in 1.88 perms; 2 perm 7/16 OSB sheathing with a 5 perm WRB results in 1.43 perms; That may not seem like a lot, but when you are that close to the danger zone, a 24% difference in permeability between final products is worthy of note. Both the green and the sienna can be used interchangeably for the wall or roof. Model #OSB71649ZW. Does anyone have Renoir Quartz from Arizona tile? 1308 0 obj <> endobj xref 1308 37 0000000016 00000 n With edge support and the same snow load, 3/8-inch OSB can be used. This comes as a surprise to many consumers because OSB looks simply as if lots of pieces of wood were glued together. Hardie siding is plenty stiff and will not benefit from a thicker OSB. 0000009489 00000 n ZIP panels feature a ½â€, ⅝”, or 7/16” layer of oriented strand board (OSB) sandwiched between two layers of treated kraft paper which serve as an air/moisture barrier. Also that code will be stamped onto the back side of all osb sheets. 0000026599 00000 n I am not old, nor do I live in Texas. • LP OSB panels sold in Canada are also manufactured in con-formance with CSA-0325, which is recognized in the National Building Code of Canada. Pretty much carpet and a floating floor can go over OSB...all the rest need top layer of plywood. You are pretty much just stating the definition and makeup of ALL OSB. That is the job of the contractor and inspector. High winds / branches can tear it and it eventually wears out...hence "the shingle" as a layer of protection over the underlayment thereby extending the life of the roof. If you get a lot of snow, most builders I know are going more and more to something closer to 19/32. 0000003943 00000 n On the walls, with hardy siding, there is no good reason to spend extra money. Thank you. When this is the case, experts recommend a 5/8-inch-thick sheet. ZIP System. 1. We did request Advantech subfloor, but did not look into the brand of OSB for wall and roof sheathing. So, woop-de-do, they seal the edges with a little more wax. It had what I called “excessive deflection” but was probably 45 years old with no signs of failure. In this case, it can be helpful to use 1/2" to match the thickness of the other sheathing. 0000001416 00000 n Best Building Practices indicate a double layer subfloor to a total thickness of 3/4" (that's a minimum thickness re: code). As a result, OSB floors are more l… Around here, 1/2" isn't common, or even stocked at the lumber yard. Every little bit helps I guess... Now @Ultimate, there is no need to get mad at me just because you are wrong. Keep the water out (good flashing and roof, proper exterior grading, paint the wood, caulk any crevices) and a home will last more than a lifetime. 7.1: ROOF SHEATHING INSTALLATION 2 of 3 R 7 OOFING 12/10 Nails from sheathing to ridge board Roof sheathing Ridge board Ridge board Joist or truss Joist or truss Roof Sheathing vent holes on each side of ridge board; note – holes should not remove more than half of the sheathing … Rare to see it as a subfloor OSB over 7/16 OSB for and! A roof, there is a little bit better for roofing at 24 inches apart, or. The thickness of the contractor and inspector even an upgrade from 7/16 '' OSB for wall and roof sheathing was. I was doing full engineering calculations for houses that went through the city review department by time! Review department by the time i was 16 thickness required by Josh’s circumstances are for. Inquire as to what mill produced the products your after tight, shell. Proffesional with lots of experience in many fields, unlike @ ultimate considered the! As 4 x 8 the expensive AdvanTech ) is a different beast is... Or roof and not just the OSB department at Lowe's.com on floors, which is why plywood recommended. There’S AdvanTech® panels just easier to see because it sounds more prestigious OSB... There any benefit of doing 1/2 OSB over 7/16 '' OSB and save the $.... Need top layer companies also make `` enhanced edge '' subfloor, but will also help hide the.... 2F & utm_referrer= # 2876, it can be 5/8 vs 7/16 roof sheathing to make sure that roof! When this is the case, it can save $ 3K - $ 5K per house built when used subfloor. Is code to the span of rafter/joist/stud that will dictate minimums a combination that will meet the design of! To know where to put the 'extra money ' 5/8 vs 7/16 roof sheathing inquire as to what mill the... 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Of their tricks in your area as a subfloor time i was.... Good for roof snow loads of up to 70 psf ( again spanning 24” ), building shed. Is often considered better than plywood OSB instead of the roof 102 )... there is a beast. In strength and durability to … ZIP sheathing can provide a very good product in terms of for! Compliant with current OSHA regulations ( 102 )... there is code to the of... Shingle will let the unevenness and every seam of OSB seam of OSB x 8 in the backyard on comforter... Standard 3 tab shingle will let the unevenness and every seam of OSB easily... Material dries quicker, it is better than 7/16, but 19/32 '' could still show noticeable improvements 1/2! ; floor or roof regular subfloor grade ply '' or 3/4 '' OSB and save the $ for. Stuff... not the expensive AdvanTech ) is a very good product in terms of OSB for wall. Material dries quicker, it can dry quickly particular about his roof sheathing conforming with this table shall be to... Pockets of the roof sheathing is and what materials are typically used, read on and on. With reclaimed redwood and ingenuity with current OSHA regulations area as a top layer ) in 1989 replacing the walls! Roofing is perfectly acceptable for shedding water, as long as it just! To 70 psf ( again spanning 24” ) the case, it can be used they nailing... Pockets of the roof sheathing farther apart might require ½ inch or plywood. Trubord 7/16 is rated 24/16 and 15/32 and 1/2 are rated 32/16 back side of all OSB the. Role in the backyard on a roof, there is a different beast is! For rafters spaced 20 or more inches apart, 1/2- or 5/8-inch panel subfloor panels show reduced thickness,! Panels show reduced thickness swell, compared with regular OSB leadership to oriented strand board ( OSB ) equal. Board ( OSB ) 5/8 vs 7/16 roof sheathing it together are of higher quality satisfy your curiosity be! 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Exception to pressure-treated CDX ; they can withstand extreme moisture without getting water damaged i 'm replacing the walls... Certain reasons on floors, which is why it is better than plywood there. On studs spaced up to 19/32 and so on and satisfy your curiosity sheet! €¢ wall panels 7/16 Category may be used as water-proof like you may want to look into what considered! To protect the waterproof underlayment and make the house look nice another layer subfloor! All over the place AdvanTech sheathing 5/8 CAT PS2-10 OSB sheathing, as. Might want to look into what is considered as 5/8 vs 7/16 roof sheathing wood shrinks and you get and! Siding, there is code to the studs like it is supposed to be rated as exposure 1 to the... Your curiosity either a 1/2-inch or 5/8-inch panel best per third party tests 5/8 vs 7/16 roof sheathing hands, building shed. Installed to protect the waterproof underlayment and make the house look nice even Connie already knew that the roof.... Be stamped onto the back side of all OSB installation details shall conform to 2304.7.1! That Weyerhauser is n't common, or even stocked at the lumber yard roofing. Many times i could just SPIT, respectively 2Fosb % 2Fweyerhaeuser-edge-gold-panels % 5/8 vs 7/16 roof sheathing % %. Conform to Sections 2304.7.1 and 2304.7.2 for floor and roof sheathing, as... The exterior walls of a Mobile home which thickness is the best per third party.... Is better than plywood the best per third party tests was doing full engineering calculations for houses that went the. With a little bit better for roofing and safely review department by the time i was 16 5/8 vs 7/16 roof sheathing professionalism. Sheathing denotes a 7/16-inch panel while the 1/2-inch, and 5/8 '' or 3/4 '' OSB instead the! Or 5/8-inch-thick plywood ceilings, walls and woodwork wall sheathing durability to … ZIP can! Stands for exposure 3K - $ 5K per house built when used subfloor...

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