Install SurePly® plywood underlayment over a clean, dry, level, original sound structural subfloor, or existing floor. We used 1/4crown staples on 3/8 over 3/4 but I've never stapled 1/2 in down though I have demoed some on a ceramic replacement that was, they didn't seem to hold that well but they skimped on the staples if I recall. My project is the installation of vinyl sheet flooring in an addition (kitchen, bathroom and mudroom) with a crawlspace below - no basement. Thoroughly scrape, sweep, and vacuum the entire surface and strip any wax from the existing vinyl. Reading this article makes me think I am going to have trouble with tile shifting if there are only staples instead of screws holding the cement board to the subfloor plywood. I do not endorse any of the products. I'm looking for comments on if and when to use screws or staples to secure underlayment. The short answer: usually. Start in one corner of the room and lay a full sheet of luan perpendicular to the direction of the subfloor panels. Attach second layer of subfloor material with nails or staples 12" O.C. Using my experience, I would fasten the underlayment with adhesive and 7/16-inch crown staples every 6 inches driven with a pneumatic stapler. 3. Using a crown compression stapler, staple 2 inches on the seams and edges with 4-6 inches apart in the middle. Could I just nail underlayment to subfloor, 'only' nailing on joists or do I have to nail or staple all over? (When using parquet, construction adhesive should also be used between the layers of plywood as recommended by the flooring system manufacturer.) Chandler, I am installing smooth 1/4" plywood underlayment rated for the vinyl flooring. Published as Staples Out Simply in August/September 2015 Issue When Hans Dreisbach of Greenville, S.C.-based Get Floored LLC saw an old Trick of the Trade for removing staples from subfloors on the WFB Facebook page, he sent us his own simple solution: a pair of fencing pliers. For this job, we'll be using foam underlayment, a stapler, tape, and a pair of scissors. When installing 1/2" CDX plywood over an OSB or plywood subfloor, it is not necessary to staple, glue, and screw. Here are nine common subfloor installation mistakes and how to prevent them: 1. Use 1/4" crown and 1-1/2" in lenghth. Stagger IronPly ® plywood underlayment panels to create a 2" minimum offset between the IronPly ® plywood underlayment and subfloor seams. If your choose this route, staples are a good choice to fasten the underlayment. Quarter-inch lauan plywood is the top material for underlayment among home renovators and contractors. I own NO other air tools or nailers and would really like a framing nailer too. These nails have been proven to have twice the holding ability of smooth-shank staples … )So now I am looking at buying my own stapler for this and other projects. Plywood Thickness (in.) Say 4 or 6 inch squares? 2) Thickness: Usually manufactured in 4-by-8-foot sheets, plywood panels and OSB are acceptable subfloors for hardwood flooring as long as they are the proper thickness. Staples usually have a coating which help increase the holding power. • Nail-down subfloor: 5/8 -inch or thicker plywood panels are fastened every 12 inches on center and every 6 inches along the border. Click to see full answer Using Subfloor Screws to Correct Squeaky Floors . I use the term "underlayment" to mean a layer above the subfloor… At this point you have the choice to make as to whether you wish to use glue to adfix the luan to the plywood subflooring. Run your plywood parallel to what is already down make sure your seams do not fall on those already there be 6-8ins offset screws 4' on seams 6-8' in the field. TILE GUY - retired- TROY, MI - Method & Product suitability consulting. Amoung Manufactuers of Vinyl Flooring, Hardwood Flooring, Tile Flooring, and Laminate Flooring, the choice is clear, and Luan is the … Glue-Down Underlayment. OSB provides a reliable, sturdy foundation for squeak-free, straight floor systems—provided a few simple installation best practices are followed. File this thread under "Your Mileage May Vary". 2x8 stringers (14' span, planning to add/replace a beam at 10') with 3/4 T&G plywood subfloor. I tried pulling some up as a test and this would be a nightmare to pull off. Underlayments for vinyl flooring are usually 1/4" and it is stapled all of the time. Sorry Nester, most of that post was wrong. Use a staple gun to insert 1/4-inch crown staples every 6 inches across the plane of the luan panel and every 2 … We had very dirty plywood subflooring. You’ll need to drill through the wood and into the concrete to fasten it down. Hand cut exterior edges for installation next to the walls. The second floor of this house is built with 2 x 10 wood I-joists (joists that resemble steel I-beams and are 9.5 inches thick), 16″ on center and spanning 13.5 feet. near the end of that time before they switched to 3/4 and carpet the better builders would nail and screw. Install the plywood underlayment sheets one at a time, perpendicular to the placement of the subfloor sheets. 3/4 Inch Plywood Subfloor Preparation: Joist Installation. 029 2086 0222 Except for the first few years when I hand nailed with ring shank, I have stapled underlayment. The thickness of plywood panels in a subfloor … Staples usually have a coating which help increase the holding power . I'm told if screws protrude into the crawlspace they may wick moisture into the subfloor and underlayment, causing problems. Plywood and OSB subfloors over joists are most common in newer homes and new construction, typically in homes with basements or crawlspaces. Using a crown compression stapler, staple 2 inches on the seams and edges with 4-6 inches apart in the middle. Make sure you use underlayment grade plywood. You’ll want the screw to go about an inch past the plywood into the joist or underlying layer beneath it. For a better experience, please enable JavaScript in your browser before proceeding. Screws can cause the plywood to pucker. Which is good and bad. My project is the installation of vinyl sheet flooring in an addition (kitchen, bathroom and mudroom) with a crawlspace below - no basement. • Glue-down subfloor: 5/8 -inch plywood panels are glued in a staggered joint pattern directly to the slab. Grinding Down High Spots . Hope your not using loun as an underlayment. The plywood underlayment panels should be cut so that the factory edges go together at the seams in the field of the floor. The crawlspace is partially heated. I have removed a lot of stapled underlayment. Furthermore, do I need an underlayment for hardwood floors? Using a crown compression stapler, staple 2 inches on the seams and edges with 4-6 inches apart in the middle. Plywood wall sheathing without diagonal bracing 5/16 3/8 1/2 Plywood roof sheathing 5/16 3/8 1/2 Plywood subfloors 1/2 5/8 Plywood underlayment 1/4* 3/8 1/2 5/8 Asphalt shingles to plywood staples to have crown width of 3/4" min. Assuming a remodel, this is going to involve bringing the plywood to the location by hand, as opposed to assistance by a crane. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! You want to choose fasteners that will not penetrate the bottom of the subfloor. The ads in my post are there without my permission. Positioning SurePly® Premium Plywood Underlayment If using 1/2" underlayment a 1/4" crown will still work IF you have a gun that will drive a staple a … Watch This Video Which Will Show You the basics of Stapling Plywood Subflooring Into … A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Bashing my head against the walls in some of the internet's finest chat rooms. Thoughts anyone? Does this sound familiar to anyone? That being said, for what your doing I'd screw the whole thing down with some 7/8 sq drive deck screws. Leave a 1/16 inch gap between the walls and the luan panel. Stapling down with 15 gauge 1&1/2" legged staples with 1/2" crowns alone is sufficient, as long as use use lots of staples. Plywood can usually span slight imperfections and waves in the concrete, but check to see each 4x8 sheet is level and the same height across the floor. For a better experience, please enable JavaScript in your browser before proceeding. Cleaning and Leveling the Subfloor Remove the existing flooring if the room has any. The crawlspace is partially heated. The ads in my post are there without my permission. This is underlayment under vinyl flooring that will not be glued down(premium stuff that is real thick). Spotnails AF Mallet Driven Stapler, for fixing plywood or hardboard to the timber subfloors. The warranty may require it. Use a staple gun to insert 1/4-inch crown staples every 6 inches across the plane of the luan panel and every 2 inches along the edges. 1/4" underlayment in my area doesn't hold up. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. You are installing "underlayment" on top of your subfloor. He said no because it wouldnt work(??? Plywood underlayment is a thin plywood material that is most commonly used under resilient flooring materials, such as vinyl and linoleum sheets and tiles. We use PL subfloor adhesive caulking in between the two layers of plywood and then staple it every 3-4 inches. They are also divergent, so they hold well. What needs to be done is all the original subfloor needs to be screwed to the floor joists before you add additional plywood on top of it. I have absolutely no doubt that staples would go in faster than screws and would hold well. Start in one corner of the room and begin to lay a full panel of luan perpendicular to the form of the subfloor panels. 5/16 and thicker * 18-gauge staples with 3/16" crown may be used for 1/4" underlayment When subfloors are nailed in place, the floor can become extra squeaky, either almost immediately or over time. I do not endorse any of the products. You should staple every 6 inches around the edges and every 8 inches at the centre of the plywood boarding. If your choose this route, staples are a good choice to fasten the underlayment. At that point, I was starting to get the, “Am I in over my head?” feeling. The subfloor is the decking installed on top of flooring joists; the finished floor is then installed on top of the subfloor. Helping You to Do It Yourself! Install Luan with staples to the subfloor plywood using 1/2" staples. If your choose this route, staples are a good choice to fasten the underlayment. There are different reasons why people decide installing new plywood, from replacing a bad sub-floor, to raising it to be higher & stronger. Adhesive will help you here, as the subfloor plywood will have voids in spots that will not hold a fastener. Helping You to Do It Yourself! Underlayments for vinyl flooring are usually 1/4" and it is stapled all of the time. It can also be used under hardwood, laminate, and carpet, but this is much less common these days because subflooring is typically smooth enough for these materials, many of which are installed with a different type of underlayment … • Sleeper (screed) system – Common over radiant heat, this system has 2-by-4s spaced 12 inches apart. Do not use any adhesive beneath SurePly® plywood underlayment. a simple pry bar under the edge will lift the whole sheet without much effort. All you you are attempting to do is add more rigidity to the subfloor and supply a superior nailing base. The screws were only on the long seam running perpendicular to the joists and between them.
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