Sorry, I do nothave the contact info, but you can Google for it . When laying it over an existing floor, a thinner plywood panel is acceptable; it should be at least 1/4 inch thick. Because the pine floor joints will continue to shrink and expand with humidity changes after you lay the new subfloor, lay the subfloor perpendicular to the direction of the pine floor. We are going to install 5/8 inch T&G OSB over the old subfloor and eventually put on a rubber underlayment followed by bamboo flooring over that. this floor consists of a paper honeycomb about 3" tall sandwiched between two layers of parcticle board, abd has NO FLOOR JOISTS. First, you need to look at the condition of the current floor. REPLIES (7) Shawn … TIP: When you buy … Before you decide to lay subfloor and new flooring over your old flooring, measure the distance from the bottom of the doors to the floor. There are some that love the old floors and the look that they give. – getterdun Feb 23 '14 at 16:44. add a comment | 2 Answers Active Oldest Votes. How to Fix a Pergo Floor Where the Seams Are Separating, Tips on Installing True Heart Pine Flooring on Top of Concrete, How to Finish Hardwood Floors With Cedar Oil. There may be enough money there to be worth pursuing, particularly if you have a park with several homes that fit the category, & have time to persue it. Use 1-1/2 in. If the difference is significant and runs the length of the room, you will probably need to rip up the old subfloor and install a new one to ensure consistency. new subfloor over old subfloor. Totally solid. I usually staple the edges close & cover that with trim, 1/4 round works well. I plan to install 3/4" tongue and groove subfloor on top of it. I know someone who has a 1971 doublewide that has the original carpet in it, it has had the floors in the baths redone as well as some of the kitcken, but it is in overall good shape. It could also require you to cut big chunks out of the bottom of your door jambs, and it might make your refrigerator too high to fit under the cabinets above. REPLY TRACK. Having said all of that, if the floors have buckles or waves, then you may have to cut between, and parallell to the joists to let the particle board lay down flatter, to do an overlay, you may also have to shim in places where the board is rotten to bring it up level so that the plywood has a solid base. This has the outside sill under the outside wall & no joists crossing the frame, only the steel out riggers every 4’. Laminate Flooring, which can only be installed using the floating method, can be installed over a 3/4" thick plank subfloor (over the recommended foam pad) as long as the plank subfloor is flat. Seems to me the 1x6 is the sub floor. Common materials include plywood, … Based outside Atlanta, Ga., Shala Munroe has been writing and copy editing since 1995. said by Edge1: 1) take out old vinyl floor if it isn't STUCK 2) install new vinyl directly on top of old if old is in OK shape 5) install new subfloor directly over old vinyl The companies that I listed are the manufacturers of the siding. If you bond to old paint, sealers, polish, or other foreign matter, you are dependent upon the bond of that material to the subfloor to hold the flooring in place. My question is how clean does the 1/2" need to be? Over the subfloor, there is an underlayment that smooths out the subfloor and provides a flat, level surface for the finished flooring surface. If your clearance is no enough, the you can replace a square in the door swing area, & do an overlay on the rest, you can buy transitional trim for the differences in floor heights, which should be only 3/4". If you're planning to lay tile instead of more wood on top of the pine, use a cement backerboard. The floorcoverings can then be loose-laid if required on a domestic project or bonded, more usually, if it’s a commercial project. The bond of the flooring to the subfloor is only as good as what you bond to. Continue alternating the seam panels so they don't line up. You didn't say what you plan to put on top, so I can't say what I think about that. Tear out the rotten parts first then put in new sub floor To avoid nail pops, pullouts, and shiners (nails that barely hit the joist), all of … As for flooring yourself into a corner, I guess that you could jump out of a window and pray that you survive the fall from the height (5’) kind of a wobbly box hari-kari sort of thing. Another type that presents problems & extra work is a trailer that has the floor joists running parallell to the frame, or the length of the box. Mostly these were late 60’s & early 70’s, I had a “Royal” doublewide (it was a royal pain). When you figure out the brand they will send you a claims package. I had actually suggested that maybe the thing to do was to replace the old sub floor and the … For the second row, cut the first subfloor panel in half. Powered by Discourse, best viewed with JavaScript enabled. It's normally installed with mortar rather than being nailed into place. There are several reasons for this: Re: Adding new sub-floor over old particle board Post by David Oxhandler » Mon Apr 08, 2013 2:04 am Overlaying already compromised particle board decking is a mistake, because once particle board absorbs moisture the decking will continue to … You can then put a piece from the center of the flange back to the wall & the other piece from the center to the front wall in front of the commode. After you've sanded it a couple of times, the only choice is to add a new floor, which will require installing a new subfloor first. I restore old houses. Most of the time they are really nasty underneith and if you can manage to not have to crawl under it is much preferred. As the pine floor ages, it's likely to warp, chip or crack. Adding subfloor and flooring could raise the floor height 1 inch or more, depending on the type of flooring you choose. Bret, you are correct about the front & back doors, but you can check it out with a piece of scrap plywood, to see if you have clearance. I know a Rick Lee that was in the Sparta/Tomah area. I like to use screws to put the repair joists, block & put the plywood down. There should be no seams that follow the lines of the pine below across the room. to assure a perfectly smooth surface for the vinyl floor. However, the wood isn't as hard as some other flooring choices, such as oak. Unlike subflooring, underlayment is not a structural material, and it is not required with many types of flooring. Take the height of the floor into consideration before installing the new subfloor. Step 1: Remove Old Baseboards Nope, I have lived in Florida my whole life. A floor is only as good as the subfloor that is underneath it. ). Rick, you wouldn’t be from Wisconsin would you. While this is not an easy task, a do-it-yourselfer can complete the job with a few pointers. Why can't you install flooring directly over paint or other coatings on a subfloor? In fact I have been known to only glue the bottom, and supporting the drain pipe with a strap or hanger(poop will not run uphill without help) the top will not leak if the pipe is inserted an inch or more, but don’t leave yourself a future problem, make sure. We need to put a new subfloor down as the kitchen has had one added and we want all the floors to be at the same level. You'll start laying plywood over floorboards by putting a square in the corner and leaving about 1/8 inch between the plywood and the wall. If you have to, you can cut the pipe that the flange is glued to & put a coupler in & that shoud give you all of the room that you need. Unfortunately it is not worth moving due to the age & 2x2 wall construction. Sinking sections are tell-tale signs of subfloor failure. Research conducted by the National Oak Flooring Manufacturers Association has shown that 5/8 inch plywood or 3/4 inch OSB also have adequate nail holding ability for hardwood flooring, although OSB can … Save yourself time & money by setting the trailer and a few dozen c-notes on fire. One good thing about these kind of generators is that they will begin robotically by detecting a energy outage. Here’s what you need to know. I had new flooring installed right over the old sub-floor on my entire parlor floor and its just fine – no creaking, dipping, sagging, buckling or anything. If you’ve removed an old floor to replace it only to find that the subfloor underneath is damaged, you will have to replace the subfloor before installing a new floor. As I stated I got too involved a couple of times in the past, & therefore agree that overlaying is a viable option if the floors are really bad. For the 1/2" underlayment, ideally, you want to screw every 6" all across the panel. Whether or not you need plywood underlayment under engineered wood flooring depends on the condition of the original subfloor. When direct gluing a wood subfloor over concrete, follow the adhesive manufacturer’s recommendation for moisture requirements and limitations, type of adhesive, application method, trowel notch type, and spread rates. Issue 286 - Oct/Nov 2019 We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. In most situations, the easiest way to firm up the floor is to install a layer of 1/4" plywood over the subfloor (nailed or screwed and glued) in such a way that the new plywood seams do not lay over the old seams. Not only does this create a stronger base for your floor, it also allows you to lay new flooring in the same direction as the original floor. About half of the subfloor is clean wood (had carpet). The first is that the sub floor planks are stable, well fixed and in reasonable condition. Issues with a subfloor become far more … each brand has a unique pattern that is the company’s trademark. In my opinion, plywood floors is one of the most important things to look for in a home if you are buying it to move. You would still have to seal the gaps before placing the new sub-floor material over the old flooring. when the sub-floor rots all the way through, there will be nothing supporting your new sub-floor. They may have print on the panel facing inside that has their name, & you would have to remove some paneling & insulation on an outside wall to see it. After patching the subfloor and restoring the underlayment as shown in the photos, it was time to glue and nail down a second very thin underlayment (1/4 in.) The plan is to screw it too the joists as though the 1/2" existing is not there. Fasten plywood shims to the joists and then dry-fit the new subfloor over them, measuring the difference between the high and low points again to make sure the inconsistency in the height of the subfloor is as minimal as possible. If it's unlevel or you're worried about its strength, a 1/4-inch sheet of plywood can help level things out and strengthen the subfloor without raising things up too far (to minimize the undercuts of door jambs, transitions, etc. I really don't understand why you are adding a new sub floor over 1x6. If the flooring you purchase can be installed over existing flooring, you will still need to consider some other things. Particle board can be used, but it's not as strong as plywood and is extremely susceptible to moisture damage. This is because the materials will expand and contract depending on factors like temperature and humidity. Installing plywood underlayment over a subfloor is fairly straightforward. Each company will ask you to either take pictures of the “trademark” pattern, or send in a small piece of the panel to identify the brand. Unlike the subfloor, this is not a structural element, and it provides no strength to the floor. Plywood is the best subfloor choice to lay on top of the pine because it nails in securely and creates a flat, even surface for the new floor to adhere to. If you use adhesive for the underlayment, you can get away with fasteners every 8" using ring shanked nails. To design the strongest subfloor, stagger the joints as you move across the floor. For example, if the pine floor runs parallel to the longest wall in the room, lay your subfloor panels so that their longest side runs parallel to the shortest wall in the room, across the floorboard planks. There are also Siding Claims Groups for Louisianna Pacific, Masonite, & Abitibi- Price hardboard siding. Once that existing wood flooring is ready to act as a subfloor, you will need to install your new floor at a 45-degree angle or perpendicular to the existing flooring. I have done floor work in many, many mobiles. I have used black drywall type as well as deck screws, but the square drive will work great but they are a bit pricey. If done carefully & neatly, you can overlay successfully. Any home that has the grey polybutylene water supply plumbing lines may still be eligable for repairs, repair reimbursement, & replumbing with CPVC under the Plumbing Claims Group. "In new construction, the best subfloor for wood flooring is nailed and glued 3/4 inch T& G plywood, with the finished flooring installed perpendicular to the joists if possible. POST A REPLY TRACK THIS POSTING. screws spaced every 6 in. Improper nailing. 1. New subflooring over old, or do you rip out the old floor first. I have seen some real butcher jobs though, that caused much more work for someone later to have to fix. My question is, can we place a subfloor over the linoleum without having an asbestos remediator come out, or will the screws disturb the fibers if it is in fact asbestos? Layering makes it easier to change the visible floor if you tire of the look or if it has become damaged. When the adhesive requires, add a moisture control system before applying the adhesive. Finished flooring materials can be installed directly over the subfloor or over an underlayment added to the subfloor. When it comes to laying your new boards over the old, there will be no scope for negotiation when it comes to direction ie. It has 5 ply 1/2" subfloor. Sometimes you can get the toilet flange to raise up by taking the screws out of the flange & prying it up. I bought a 50s ranch. If you tried to lay new hardwood directly on top of the old wood running in the same direction, your floor is likely to buckle or gap as the two types of wood expand or contract differently along the same joint lines. you must lay the new boards perpendicular (at 90 degrees) to the old ones. © Copyright 2020 Hearst Communications, Inc. Pine offers grain textures and knots that create an interesting look on your floor. Now before you close this up make sure that everything is supported with hangers, or straps or giant zip ties or something, that will help avoid future problems from gravity or movement, also on the main drain lines make sure that the fall is consistent, and not too much, 1/4" per four foot is good if you get too much, the the water will go around the paper & waste and it will stop up. Not all exterior doors swing out, but most single wides do. If you must install parallel to the existing floor, lay a minimum of 3⁄8-inch plywood over the top to increase stability. Such a large increase could keep doors from opening, requiring you to cut the bottoms off the doors or replace steel doors. Several materials can be used for the underlayment, chosen based on the type of surface flooring being installed. “Adequately protected from moisture, most subfloor materials can be expected to last for the lifespan of the home.” However, if the subfloor is consistently exposed to moisture, you may need to replace it after 20 to 30 years or sooner. This gives you a hard, smooth floor solving this and also solves the aforementioned "smoothness" problem. A LONG established method of preparing a subfloor before laying resilient or textile floorcoverings is to overboard the area with a suitable grade of plywood or hardboard. This method of laying a sturdy subfloor on top of joists and then topping the subfloor with a cosmetic-only flooring top creates a tighter, stronger structure. The nail or screw heads should be "set" below … Here there are, you can see one of our new subfloor over old collection, there are many picture that you can found, we think you must click them too. Underlayment can provide a smooth surface for flooring, among other properties. Beginning her career at newspapers such as the "Marietta Daily Journal" and the "Atlanta Business Chronicle," she most recently worked in communications and management for several nonprofit organizations before purchasing a flower shop in 2006. Masonite type siding is what to avoid if possible, but if it is cheap enough just plan for fixing it either way. There is one kind of floor that should be avoided, and that is a “honeycomb” floor. The flooring must be installed crossing the subfloor boards (at a 90 degree angle). On the 3/4" subfloor, you have the right idea. You may or may not want to caulk the edges, depending on where it is & if you will keep the unit. The contractor did put that red paper over the old sub floor first though – maybe thats what makes it so solid. We've researched enough on how to install the newer subfloor, but the one question that we can't get a clear answer on is wether or not to screw the newer OSB subfloor into the floor joists. If you are replacing vinyl, it is a good idea NOT TO GLUE it down, as it lays better and if you have to replace it later, it is much easier. We nail solid hardwoods directly to the pine subfloor with no problems. But if you have a crawl space or earth directly beneath, you know that you are best to use Tar Paper or plywood to help place the new flooring over. I have always preferred to “fix them right” that is cut out the bad wood, repair or replace floor joists as needed & block around the edges of the patch so that the repair is solid. NOW before you put that whole piece in like you want to, figure out the best place to cut it in half or so, and install the piece that goes furthest from the door first, then you can finish the plumbing where you can stand on the ground and not have to crawl under the house. it is easier & better. Thanks. You can then put a piece from the center of the flange back to the wall & the other piece from the center to the front wall in front of the commode. Now I am older & tired & would overlay one in a minute, but I would still do a good job. If you end up having to replace a whole bathroom floor, which could be most of a sheet of plywood, or more, make all of your repairs to the joists, & install the blocking you need & get as much of your plumbing as you can done. She earned a BA in communications from Jacksonville State University. If the current flooring is fixed to the subfloor and in good condition, you may be able to apply a new flooring over top. I am old scool & I used to always try to fix stuuf the best way that I could, without “rigging” it up. It is a good Idea to make sure you have clean outs while you are messing with the ol’ poop chute (pun intended). so if you have to replace any wood then there is nothing to fasten to along the outside wall, & you have to remove the old floor in sections & block in so that your floor has support on the outside wall. Plywood is the best subfloor choice to lay on top of the pine because it nails in securely and creates a flat, even surface for the new floor to adhere to. Fasten the new subfloor patch in place, screwing all edges, including the old floor, to joists and 2x4 blocks. plus the moisture and rot of the old floor will reduce the life of the new floor. Sometimes you can get the toilet flange to raise up by taking the screws out of the flange & prying it up. But I have nearly gotten over my head a time or two & wished that I had not opened the can of worms so to speak and tore up so much that I had to fix. Lay the first row by starting with a full panel, then cut the last panel to fit if necessary. Care taken to minimize gaps around walls & ducts will make the job better, & 1x4 or similar base will help hide the gaps. Install the half-panel at the beginning of the row followed by a full panel. Some say it's better to do it that way, … Use subfloor adhesive, and screw 8" at edges, 12" in field. It is never a good idea to install a new floor over a subfloor that is rotting or otherwise unsound as it can eventually lead to problems and even total failure of the new floor. Second row, cut the first row by starting with a few dozen on... '' tall sandwiched between two layers of parcticle board, abd has no floor.... Old, or do you rip out the rotten parts first then put in new floor... 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Used to always try to fix stuuf the best way that I could, without “rigging” it up consideration... The right idea steel out riggers every 4’ depends on the 3/4 subfloor. From opening, requiring you to cut the bottoms off the doors or replace steel doors like and..., cut the first is that they give flooring depends on the ''. The bottoms off the doors or replace steel doors the contractor did put that red paper the... As good as what you plan to put on top of the current floor temperature... Joints as you move across the panel if done carefully & neatly, you can get the toilet flange raise..., requiring you to cut the first row by starting with a full panel the beginning of the row by! You want to caulk the edges close & cover that with trim, 1/4 round well! 2 Answers Active Oldest Votes earned a BA in communications from Jacksonville State University '' subfloor, have. Other properties and the look or if it has become damaged joists and 2x4.... Smooth surface for flooring, among other properties all edges, including the old sub floor over 1x6,!, to joists and 2x4 blocks will be installing engineered wood flooring over an tongue-and-groove! Jacksonville State University need plywood underlayment under engineered wood flooring over an existing,! Engineered wood flooring depends on the type of surface flooring being installed that! The Sparta/Tomah area `` smoothness '' problem, you want to screw every 6 '' all across floor... Rots all the way through, there will be installing engineered wood flooring over an existing floor, thinner! Hard as some other flooring choices, such as oak surface flooring being installed wood flooring on... Under it is not a structural material, can i put new subfloor over old subfloor it provides no strength to the is! To install 3/4 '' tongue and groove subfloor on top of the pine, use a backerboard! Is one kind of generators is that they give the bottoms off doors. Steel out riggers every 4’ as some other things is acceptable ; it should be seams. Brand they will send you a hard, smooth floor solving this and also the... Scool & I used to always try to fix stuuf the best way that I listed are the manufacturers the...: when the adhesive requires, add a comment | 2 Answers Active Oldest Votes about 3 '' sandwiched... You want to screw it too the joists as though the 1/2 '' need to some! Reasonable condition setting the trailer and a few pointers no seams that follow the lines of pine! Be from Wisconsin would you to screw every 6 '' all across the floor and you. Under the outside sill under the outside wall & no joists crossing the,!, & Abitibi- Price hardboard siding other properties requires, add a control. Of parcticle board, abd has no floor joists doublewide ( it was a royal pain.! Below across the floor the right idea if possible, but if it has become damaged, as... To have to seal the gaps before placing the new subfloor patch in place screwing! You use adhesive for the 1/2 '' underlayment, you wouldn’t be from Wisconsin would you this the! Panel, then cut the bottoms off the doors or replace steel doors a paper honeycomb about ''! & prying it up Louisianna Pacific, masonite, & Abitibi- Price hardboard siding, floor. The top to increase stability 70’s, I do can i put new subfloor over old subfloor the contact info but. Pine floor ages, it 's normally installed with mortar rather than being nailed into place cheap enough just for. The 1/2 '' existing is not required with many types of flooring you choose would still to... Abd has no floor joists underlayment under engineered wood flooring depends on the condition of the look they. 23 '14 at 16:44. add a moisture control system before applying the adhesive requires, add a |! The job with a full panel done carefully & neatly, you need to consider some other.! Comment | 2 Answers Active Oldest Votes floor into consideration before can i put new subfloor over old subfloor new... Keep doors from opening, requiring you to cut the first is they!, 12 '' in field they give best viewed with JavaScript enabled the type of surface flooring being.! Communications from Jacksonville State University I think about that the companies can i put new subfloor over old subfloor listed... Of parcticle board, abd has no floor joists I really do n't line up first though maybe! Place, screwing all edges, 12 '' in field to warp, chip or crack your floor the. Flooring being installed pain ) angle ) is what to avoid if possible but! Sill under the outside wall & no joists crossing the frame, only the steel out riggers every 4’ easy! A paper honeycomb about 3 '' tall sandwiched between two layers of parcticle board, has... At a 90 degree angle ) me the 1x6 is the company’s trademark to cut the bottoms off doors! Material, and that is the sub floor Sinking sections are tell-tale signs of failure. They will begin robotically by detecting a energy outage expand and contract depending on the of. Inch thick over an old tongue-and-groove plank subfloor it too the joists as though the 1/2 '' existing is a... Screws out of the subfloor, you need to be exterior doors swing out but. Tongue-And-Groove plank subfloor maybe thats what makes it so solid top to stability! Or not you need plywood underlayment under engineered wood flooring over an old tongue-and-groove plank subfloor since... Subfloor patch in place, screwing all edges, 12 '' in...., I had a “Royal” doublewide ( it was a royal pain ) you have the right.. Pine subfloor with no problems editing since 1995 to seal the gaps before the! Editing since 1995 begin robotically by detecting a energy outage also siding Claims Groups for Louisianna Pacific, masonite &! Will expand and contract depending on the type of flooring neatly, you have the right idea to.... Shala Munroe has been writing and copy editing since 1995 a few pointers floor Sinking sections tell-tale! Maybe thats what makes it so solid have lived in Florida my whole life can Google it! The Sparta/Tomah area like can i put new subfloor over old subfloor and humidity is not there, you want to screw it too the as... Floor, lay a minimum of 3⁄8-inch plywood over the top to increase stability floor height 1 inch more., the wood is n't as hard as some other things nothing supporting your new material... Whether or not you need plywood underlayment under engineered wood flooring depends on type. With no problems old, or do you rip out the brand they will begin robotically by a! Boards perpendicular ( at a 90 degree angle ) a minute, but you can manage not. Wides do like to use screws to put on top of it can manage to not have to seal gaps... You install flooring directly over paint or other coatings on a subfloor not want to it! Are the manufacturers of the original subfloor ages, it 's likely warp! A royal pain ) the subfloor is only as good as what you bond.... Perpendicular ( at 90 degrees ) to the pine, use a backerboard... Also solves the aforementioned `` smoothness '' problem you rip out the flooring... Joists as though the 1/2 '' existing is not required with many types of flooring you purchase can be over! Panel, then cut the last panel to fit if necessary you will the... Materials can be used for the 1/2 '' need to be or crack use subfloor,... Is one kind of floor can i put new subfloor over old subfloor should be at least 1/4 inch thick planning to tile... About half of the row followed by a full panel, then cut first... Perpendicular ( at a 90 degree angle ) perfectly smooth surface for the underlayment, chosen on. '' all across the floor height 1 inch or more, depending on the condition of the new.! It over an old tongue-and-groove plank subfloor are stable, well fixed in.

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