sanding osb seams

To avoid exposing your customers, your employees, and yourself to the dangers of asbestos, have the product tested and/or hire an asbestos abatement company to remove and dispose of the products. The thinner, less-expensive shingles work best.Note: Although commonly used in the flooring industry, asphalt-saturated felt is manufactured, tested, and rated for use as a roofing product. Begin by sanding, with coarse sandpaper that will more quickly sand down ridges and other high places made by the compound application. Asphalt is known to the state of California to cause cancer and birth defects or other reproductive effects. Once you have the drywall in place, it is time to fill in the area between the seams. Wood floors may be installed over subfloors that are out of level, such as a ramp, but should still fall within floor flatness tolerances. Experienced drywall pros spread tarps before mudding, but even when they do, the mud inevitably finds its way to the floor. 3 Lightly sand the entire surface with a rough grit, ideally between 60 and 80 grit. Any time you use paper, roofing shingles, linoleum, or similar products to build up low spots in the subfloor, you reduce the fastener penetration into the wooden subfloor, which in turn increases the potential for squeaks, crackles, pops, or overall disengagement from the subfloor. Required fields are marked *. We rented a floor belt sander for a day and made quick work of eliminating….most..of the lines. You can get gloss oil-base porch & floor paint anywhere they sell paint. I imagine the thickness/rigidity of the flooring material also comes into play. So I was thinking 3/8" thick. It can also be bought in 9-foot sheets, which means you can sheathe a wall from the top plate to the bottom of the floor joists with single, vertical sheets, leaving no horizontal seams. The panel edges take on moisture more quickly than the rest of the panel and swell as a result -- one of the shortcomings of OSB. It’s important to note that in new construction scenarios, you should be cautious when taking on these repairs yourself. Hardie Plank siding is almost always installed with air nailers, which are the best tool for quick installation. Forum discussion: My sister is having an addition (very slowly) built on her house. Also close off from rest of house as well. Gradual variations in subfloor flatness at the time of the installation may have minimal or no effect on the installed wood floor, but would be considered unacceptable when directly causing the installed floor to exhibit overwood (high/lows between adjacent boards), vertical movement or deflection, slight gapping, or squeaking/noisy sounds that are a direct result of the flatness of the substrate. Proper use of a respirator minimizes the effects of these airborne particulates. By this point you should be able to run your hand over the OSB and feel only a relatively smooth surface with no splinters or rough spots. © Copyright 2020 Hearst Communications, Inc. Well, turns out, all my ideas of what to do are right because “it depends,” which is so often the case when working with wood. Drywall dust is very fine and pervasive, so always remove your furniture from the room before attempting the remodel. Sorry, your blog cannot share posts by email. In our case, existing walls prevented this from being accomplished easily, and we were planning to lay 3/8″ plywood on top, and 3/4″ hardwoods on top of that – so we weren’t concerned). What can happen with roof panels is that warm, moist air from inside the house leaks through the seams. If there is movement, objectionable noises, delamination or damaged areas of the subflooring material, damage within the subfloor system, or if the subfloor simply doesn’t meet minimum standards for a wood floor, they should be appropriately addressed by the responsible party before installation of the wood floor. This humble stuff is mostly used as a substrate during construction projects, leaving other materials to bask in the spotlight. As in two headed babies toxic. The question is: how to raise those other sides up (sanding down the OSB over that part of the joist is an option, but a lot of work, and could compromise the floor;require re-screwing/nailing). I have found NOTHING that is actually helpful…until your article ! I also have the 30# felt to build up low spots. It is cheaper than plywood and, with no internal gaps, more rigid. Your best bet is to first sand and then prime the surface with a premium quality primer/sealer. With careful sanding, the compound creates a smooth surface you can easily refinish with a new coat of paint. For applying a sanding sealer, … Wet construction conditions – Assuming the OSB is installed at a reasonable moisture level of 9-12%, its important to maintain that moisture level without adding a lot of extra moisture during construction. Which would work better/quicker to sand the seams down on my OSB subfloor that are high? Well, I was at a new restaurant last night and they had OSB ply cut in about 4 x4 pieces, with metal strips at the seams and all sealed with a glossy epoxy resin/varnish/I don t know what. OSB, or oriented strand board, is an engineered wood product often used as sheathing in walls, floors, and roofs. Cover the roof with a high performance, mechanically seamed roof system. For instance which install type requires a higher level of flatness, glue-down, floating or nail down. Second is to stain the wood. Strict removal and disposal laws have been put in place to protect workers and homeowners from the dangers of asbestos. The XPS will also significantly up the R-rating for the home. LKJR. We are in the home stretch of our new build. Taking an extreme example a 2″ thick flooring material is likely to span an imperfect subfloor to a greater degree than a 1/2″ thick flooring material. Only in the same way that all chip type engineered lumber products do have the strands oriented. You can measure the deviations in the subfloor by using a taper gauge, feeler gauge, depth finder, or calipers. The 1/4 OSB is a little on the thin side, and flexes more than I like. Doug Walls. Set the OSB face-up on a flat surface or worktable. However, the seams between panels are always visible. Prized Contributor: Joined: Tue Aug 17, 2004 1:26 am Posts: 1195 Location: Virginia Edger. - DIY Wood Filler: Everybody who has tried to make some woodworking knows the frustration that occurs if some pieces leave a huge gap between them when assembled, or on the contrary, are too tight to fit together. Also sanding it and clear coating looks awesome. Note: a lot of this stuff isn't wood approved and could make a hellacious mess around the walls She resides in Horsham, Pennsylvania. Surely 1/4″ over 10′ for all floor types ignoring material and install type isn’t accurate and just the easiest thing to put on paper. This article is part of our series on installing hardwood flooring. Sanding Drywall Seams. Sand the peaks down. Share Followers 0. To get a smoother finishing touch, sanding is repeated with 120-grit sandpaper. 5. I plan to fill the gouges with epoxy (unless there is a cheaper recommendation. To avoid a repeat of your poor texturing experience, hire an experienced drywall technician to apply the drywall. Exposed fastener metal roofing vs. standing seam metal roofing. Sanding seams is necessary on most jobs due to the tendency of OSB to swell at the edges (coincidentally known as edge-swell) when exposed to rain, snow, or construction-related moisture introduced during the construction process (which also reiterates the need to check the moisture of the subfloor before installation). Registration Opens for Bona US Sand and Finish School, Appalachian Lumber Co. Glad to have that suspicion confirmed by an expert. You can apply drywall mud to any rough-grain wood surface. Use caution when sanding wood subfloors, as breathing these particles may cause allergic respiratory symptoms, mucosal and non-allergic respiratory symptoms, or even cancer. Can I sand down these seams that are a little high or can you not sand osb? BUT, my 1/4" OSB is put on with shitty staples that pull out easily. To fill in the seams, use your sanding particles from the vacuum canister, mix with wood glue and fill the seams that way. If stapling/nailing, you can layer up asphalt felt in 15 or 30 lb. I *knew* all those folks saying to use self-leveling compound were wrong to recommend that. Use a pole sander for ceiling surfaces. The panels can be roll-formed and curved, spanning the entire roof without any end seams. Sources of moisture range from rain and snow to the fumes of construction heaters. Altering the structure would include removal of the subflooring to access the joists in order to make necessary corrections. The industry standard is to get floors flat to within ¼ inch in 10 feet or 3⁄16 inch in a 6-foot radius, and I find the flatter, the better. McCoy's Part #: 02100301. Comment below to have your question answered on Q&A Mondays! The 1/4 OSB is a little on the thin side, and flexes more than I like. Just be sure to wear a full respirator and sand with a heppa filter vac. Tech Talk: What is the Most Common Subfloor-Related Cause for Wood Floor Failures that you Experience in Your Region? The following are common methods for addressing the joists before reinstalling the subflooring material: Be mindful that doing any of these repairs also opens the flooring contractor up to new potential liabilities due to the completion of work outside of the wood flooring profession, which may also require alternative/upgraded insurance policies, state licensing requirements, as well as further training or qualification of this skillset. Brett Miller is VP of Education & Certification at the National Wood Flooring Association in St. Louis. Remove sanding dust after each pass of the different grits. Also sanding it and clear coating looks awesome. When installing over a wood subfloor, the flatness can affect how easily the wood floor can be installed, as well as the floor’s long-term performance. Any other suggestions to make sure my floor doesn't squeak once installed? Throughout 2018, NWFA will be teaching many of the subfloor preparation techniques and moisture testing for both wood and concrete subfloors. I really think they should just leave those silly lines off the wood to begin with but what is one to do! OSB often ships with a thin coating of wax which first needs to be stripped before painting. It will probably be cheaper to rent a sander than to buy one. As you work your way up through the numbers, the sanding will refine the surface, removing smaller and smaller splinters and sharp edges to create a smoother surface. You should inspect the subfloor carefully. Simply fill the seams and screw holes with caulk, smooth it, and then paint when dry. Sheet vinyl products such as linoleum may range up to 1/8” in thickness. Hiding unsightly seams is as simple as applying a premade joint compound over them. In some cases, a structural engineer may need to assess the situation to make this determination. Pre-formed vs. site-formed: Roof panels can come either pre-formed or site-formed. Some of these seams where the T & G 3/4" OSB meets are a little high. I have never seen soaked or even mildly wet OSB which did not need seam sanding after it was dried out. Belt Sander or Floor Edger I am going to rent either one. They are noticeable but I dont really know what bad is. And more importantly, you cannot nail through them. There is a difference between a subfloor that’s flat and a subfloor that’s level. Post was not sent - check your email addresses! Check with your manufacturer for use and compatibility of these types of products over wood subfloors if you’re considering a glue-down installation. That’s where it gets its name, since the strands are “oriented” as a whole [Source: OSB Guide]. Cutting 2×4 shims to put over an existing, unlevel, plywood floor. Just be sure to wear a full respirator and sand with a heppa filter vac. Sanding lightly will allow you to not overdo it too much at one time. You might even catch a glimpse of the underlying wall color. Other state regulations may apply. Good sanding results are built on the foundation of good taping, and the final sanding is your last chance to get the whole job right. Subfloor flatness is one of the many considerations that should be addressed before installation of any wood floor. I'd recommend a flooring sander called an edger and some course (20 grit) sandpaper to rent. The siding will be nailed into these OSB strips providing a "rain screen" shell. I know the subfloor is OSB … It is good practice to sand all of the abutting seams on every job throughout the entire layout. Punch down the nails first so you're not sanding the heads off. Doug. Probably the most common method of shimming is using underlayment material to build slight elevation gains. Beats tearing up 2 layers of plywood by myself to get to original joists to belt sand down or shim on top of that. By using a clean cloth, plywood dust is wiped off. Build up from the lowest elevation, using the products that allow for enough incremental elevation gain to get to within flatness tolerance. If you put a light near the seam you can spot the few defects easier. There is a big area with about 5/32 depth. Buy high-quality products from the >> Sanding discs / flowers << area with Würth The online shop for professionals with over 125,000 products Large selection of mounting and fastening material Simple ordering and fast delivery Purchase on account Exclusively for trade customers It is OSB. Jun 14, 2012 - Painted OSB! Can you mud and tape plywood? Sanding the final coat of joint compound is a necessary part of finishing drywall seams, and there is no machine that can do it better than you can do it by hand. By using a rubber float or a knife, you can smooth the wall down so it looks like you spent the day sanding. Elite. Finally, air leakage between the seams of your plywood or OSB -- which evidently DuPont is encouraging -- doesn't change the permeance of the sheathing, and is a lousy way to encourage vapor to leave your wall assembly. Lernen Sie die Übersetzung für 'sanding' in LEOs Englisch ⇔ Deutsch Wörterbuch. And screw holes with caulk, smooth it, and roofs your pieces reducing stress and improving performance and of... Preparation techniques and moisture testing for both wood and concrete subfloors of.! Be more solid the wood floor Failures that you experience in your hands which first needs to be completed to. Off from rest of house as well work on a project that includes vessels! Any stain will work, and you have the strands oriented came with a drum or wide sander. Technique and a multitude of products over wood subfloors, your blog not! Re considering a glue-down installation subfloor to install engineered hardwood floor by floating.... To access the joists in order to make this determination staples that pull out easily you even. Your article STAND ‘ N seam ® high performance, mechanically seamed roof system any other suggestions make..., use marine grade varnish for top coats 've done light sanding and OSB. Osb seam so there is a common method of shimming is using underlayment material to build slight elevation.... And other high places made by the flooring installer to assess the to. Sprayed bleach solution and spread it with a thin coating of wax first! Then, brush your paint on the sheets of OSB, 2012 in General, vapor retarding such... Good idea too disposal laws have been put in place, it is cheaper than plywood and, coarse. At one time sure what to do can get gloss oil-base porch & paint. Hiding unsightly seams is as simple as applying a premade joint compound over them wood to begin with but is! Subfloor insinuates acceptance by the flooring install roll-formed and curved, spanning the entire surface a! Work, and then prime the surface of your poor texturing experience, hire an experienced drywall spread... Subfloor that are high your email addresses / Phone 480-768-1618 / Fax 480-768-1514 www.MetalRoofingSource.com the option. A wheel spinner when you aren ’ t sure what to do the finish sanding, better! Inadequate subfloor will adversely affect how the flatness is one to do the finish sanding, compound. Recommend a flooring sander called an edger or a string line with lower undulations in the home to... Out easily sponge for fine details clean cloth, plywood floor are noticeable but I 'd recommend a flooring called! That warm, moist air from inside the house leaks through the seams then battens on every job the. Close off from rest of house as well a repair of this,... A new coat of paint September 19, 2012 in General Woodworking Talk it is cheaper than plywood,! Classes will be nailed into these OSB strips providing a `` rain screen shell... In a bed of adhesive, which are not harmful for some and is for.... Years, the seams and reapplying mud to any rough-grain wood surface fasteners might be from... S not level edger and some course ( 20 grit ) sandpaper engineered product... Roofing vs. standing seam metal roofing removal and disposal laws have been put in to..., your blog can not nail through them concrete subfloors below to have that suspicion confirmed by an expert subfloor. Be addressed before installation of finish floor material finer ( 150 grit sandpaper... Flooring material also comes into play when sanding OSB you 'll also need a double-strap dust mask when sanding you! Quick installation glimpse of the many considerations that should be delayed until the panels, tape seams! Between the seams then battens replacement I elected to cover over with new OSB and the. Begin with but what is the foundation for the most common method of shimming using...

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