I do not want to install plywood over existing due to height issues. If not, shut off water to the entire house at the main shut-off valve. A subfloor1 is the base layer beneath your finished flooring (and any underlayment2) throughout your entire home. Inserting screws is a tough job, even with the right tools, and it can take some time to do it right. 9/16" or thicker Floating Engineered Wood Floors can simply be installed directly on When you remove the … I've done it in smaller transitions with good results) I'd screw down 1/2" exterior ply and cbu and be done with it if I wasn't so concerned about height that's why I was/am almost considering ripping down to joists and starting new. These boards are clipped together by tongue-and-groove edges but aren't secured to the subfloor or walls; they merely sit on the floor, held down by the floor trim. Stop the vinyl plank at the threshold and just replace the vinyl sheet with something thin and give up my dream of continuous flooring? Set the circular saw to the proper depth to cut only the subfloor but none of the materials below the subfloor. When posting in forums, letting us know your location will help others give better feedback/advice/solutions to your questions. He measured and marked out a 4×8 sheet of plywood to replace the damaged subfloor. When you encounter rotten subfloor, you often find that the rot extends to the wall or other parts of the floor. If you don’t respect this thickness of ply, then you’re highly likely to see rises and falls in your new flooring. If so, cut away a section to the required width and about 1-foot high. Repeat all of the previous steps on the other side of the wall to free up the subfloor so that you can remove it. If you are replacing a plank with a whole plank, you might need to trim down either the tongue or the bottom groove for the plank to fall in place. Shut off any affected water lines, too. I have a habit of over building things...not a bad thing I guess. The current subfloor is 1x8 planking ran at a 45° angle. Get daily tips and tricks for making your best home. (It should take a lot to destroy one of these planks, but in my experience, there’s always that one kid who can destroy the indestructible. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board, You can only remove part of the subfloor. An entire 2,600-square-foot home can run between $85,800-$159,600. I'm going to be removing a couple rooms of hardwood and installing 18x18 porecelan tile. The upper-floor master bedroom in my c. 1700 house has a plank floor laid across the joists which is quite old, if not original. Place weights on the plank to hold it down while the glue dries, which could take several hours. As suggested earlier screws them down and if you have some rough areas I would consider running a floor sander over those areas prior to putting down the cement board. Attach the metal-cutting blade to the oscillating multi-tool. To replace laminate flooring, start by removing the moulding around the edges of the room and pulling up the existing laminate. Remove the door stops for jamb to jamb threshold. Some floor coverings will lift off, while others will require cutting. Not tiles direct to the boards. Tools . From bottom to top, the system will look somewhat like this: All items except for the underlayment and floor covering rest under and are nailed to the bottom wall plate. What Is the Difference Between Subfloor, Underlayment, and Joists? When you remove the existing strips it will cause … Cost to Replace, Repair or Install Subfloor. I am remodeling another portion of our 100+ year old home. Flooring Over Plank Subfloor Whether or not you need plywood underlayment under engineered wood flooring depends on the condition of the original subfloor. Set these pieces aside. Install a layer of at least ½” or preferably 5/8” ply over the existing planks. Solid hardwood and engineered wood flooring installed parallel to the wall can be pried off, though some boards will become damaged. Step 7. We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. Use a straight piece of lumber that is between 8 and 10 feet in length to find any areas of the subfloor that aren't level. If the subfloor is heavily rotted out, you may be able to pull back on the remaining section of subfloor and remove it. Will this be sufficient? How to Repair a Water-Damaged Subfloor Over time, a sink or refrigerator water leak can damage and even destroy flooring materials and the subfloor below it. Other forums I'm getting mixed info. You’ll pay $34-$60 per square foot to replace subflooring. I'd rather have an over durable base and a height difference than a bouncy subfloor that cracks these pretty tile. That kid is my kid.) Subfloor moisture can cause peel-and-stick tiles to come loose. Open up the pail of glue and make sure that it isn’t dried out or separating. The majority of the subfloor is in good shape and sturdy. Your questions got me thinking I need some reminders so I searched with a question: can I tile over 12' span kitchen floor? The auger bit effectively acts as a saw to cut away the wood. Lead me to one site (Ask the Builder) and another (AWC spancalc). However, they still can’t replace the power of a good subfloor screw. The subfloor might be rotted out by water—often the case with walls behind shower controls or walls under poorly functioning windows. Ask Question Asked 5 years, 1 month ago. Subfloor is squeeky and I'm aware it's not suitable surface for cement board underlayment. Mark any problem spots you find. Contractor is trying to talk me into replacing the existing diagonal plank subfloor from when the house was built in 1950. The Spruce uses cookies to provide you with a great user experience. For a 12-by-12-foot room, this can cost $5,000-$8,700. Ceramic and porcelain tile will need to be broken, plus the thinset mortar should be chipped away. If not, proceed to the next step. It's not the main support system—that's the work of beams, posts, and joists—but it does its share of the work. Replace the strips that are weakened (you should be able to find a piece of 3/4 that would fit the space. This is a challenging option, those strips probably cross the entire house, what this means is that the walls are resting on the strips. While wearing eye and hearing protection, turn on the tool and insert the blade under the wall bottom plate. Active 5 years, 1 month ago. Replacing a subfloor under a wall is necessary when the subfloor is no longer structurally sound. Follow up by laying 1/2" or 5/8" on top. IN GENERAL: ensure subfloor panels are level and properly fastened to the joists. When it comes to older homes, the PREPARATION is oft MORE EXPENSIVE than the new product + cost of labour to install. Cost $ Skill Level Start to Finish ½ Day. The experts show how to repair a water-damaged subfloor. Following the cutline on the subfloor, Chad used a cat’s paw bar to pull all nails that might be hit with the circular saw blade. At this video I would like to share with you one method of flooring vinyl plank replacement . The subfloor is the solid base underneath the floor covering that you depend on for the stability of the floor and of walls. The great thing about LVP flooring is if something happens to one of your planks, you can simply peel it up and replace it. Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 12 years. Should I screw planking down, 1/4" cement board, and then tile? It can be done, but with some effort and patience. If the edge of the subfloor rests on the joist, the section of subfloor should pull out. #repair #howto #vinyl Hello my friends. With the flat prybar, gently remove the baseboard and any quarter-round trim. Is it necessary to replace the subfloor or is it a money grab? I know this renovation stuff is a trying process. If the subfloor is a continuous sheet that extends beyond the wall, you will not be able to pull out the section that you are working on. How to repair/replace old tongue and groove plank subfloor in bathroom? Personally 12' span for 2x10 may be too much. Contractor is trying to talk me into replacing the existing diagonal plank subfloor from when the house was built in 1950. Continue two more cuts with the hand saw along the side of the cut-out square until you reach the wall's bottom plate. Drywall may extend over the floor covering. Laminate flooring and luxury vinyl plank flooring installed parallel to the wall should easily lift off. The subfloor in the new addition is plywood so that isn't an issue. For a better experience, please enable JavaScript in your browser before proceeding. Search for and correct the cause of the moisture before gluing in a new tile. True porceline, they say, is stronger tile and can stand more load but the grout lines can break. JavaScript is disabled. Is it necessary to replace the subfloor or is it a money grab? What we had forgotten to take into consideration was what they stocked to match the Antique flooring. I'm going to be removing a couple rooms of hardwood and installing 18x18 porecelan tile. Home repair and renovation projects often call for replacing sections of the subfloor that are water damaged or rotted. The circular saw cannot cut flush with the wall, so cut as close as you can get to it. How to Remove a Full Interior Wall (Non-Load-Bearing), How to Run Electrical Wires in a Finished Wall, How to Replace a Section of Decking Board. For this particular project, I am removing a good amount of 3.5" wide maple and oak finish floor. How to Repair Glue-Down Luxury Vinyl Plank Flooring. They only had baseboards in the same color, not quarter round. Most circular saws will let you cut as close as an inch or two. Remove the floor covering directly above the subfloor that you want to remove. Replacement is done to bring subfloor up to code. If your time and budget allow, I would remove all the particle board subflooring and replace it with plywood. 1. The average cost to replace or repair a plywood subfloor in a 306-square-foot room costs $555, or between $490 and $600. Hey Y'all! This exterior-grade plywood is a good choice for damp or occasionally wet areas because it can withstand a moderate amount of moisture without deteriorating. Also remove a few more inches beyond to give yourself room to work. Height is the reason I would consider removing planking. Discussion Starter • #1 • Jan 21, 2017. I'd like to grout the seam (if that's acceptable. If not, attach a 3/4-inch auger bit to the drill and drill to a depth of 3 1/2 inches underneath the wall bottom plate on both sides of the rotted area. This is particularly important if your old sub floor has lumps and bumps in it. When you replace the subfloor, the new ends have to sit on the joists, so cut out your wet subfloor along two joists on either side of the damage. However, as we’ve seen, do a good job of screwing on that subfloor can result in much quieter floors. Some floors have a thin underlayment between the subfloor and the floor covering. The subfloor in the new addition is plywood so that isn't an issue. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Problem with store bought threshold is that they are made to go over the uneven ends of the flooring. Make sure from basement that the span is supported by load bearing walls. I guess I'm a little concerned about under building it. You can search with words like ceramic tile on plywood or deflection allowed for tile floor, etc, for published ratings. Cosmetic finished flooring, or “top flooring” such as carpet, hardwood, tile, or laminate, all sit on top of the subfloor, making it easy to change out your visibl… The subfloor is in good condition, but we are thinking of putting plywood over it before installing the flooring. Deane Biermeier is a contractor with 27 years experience in home repair, maintenance, and remodeling. The planks are going to be a stronger floor than I would ever will be! Of course I would put cement board over planks. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Spread a thin bead of wood glue on all four edges of the plank. We really didn't want to replace the baseboards on the walls simply because it'd be more work and would have torn up the drywall. The majority of the subfloor is in good shape and sturdy. SJ McCarthy . If the subfloor is heavily rotted out, you may be able to pull back on the remaining section of subfloor and remove it. Attach New Subfloor: Attach the new plywood subflooring to the floor joists with construction adhesive and screws. Even if the floor is dry, don't rely on the peel-and-stick adhesive to hold the replacement. All strips should cross a minimum of three joists for strength. It will be meeting a 12 ft long room of hardwood and I'd like to have that as level as possible. By using The Spruce, you accept our, Remove Subfloor From Other Side (Optional), How to Build a Temporary Wall Inside Your Home, The Subfloor Is the Foundation of a Good Flooring Installation, How to Replace a Load-Bearing Wall With a Support Beam. He snapped a chalk line to connect the layout marks, which were centered over a floor joist. The cost to replace, repair or install subfloors includes two components: labor and materials. 54 Posts . Self-adhesive vinyl tiles will peel off. Cut away all nails that run downward from the bottom wall plate. We bought the quarter round and transition plank (reducer) at another store than Ikea. I hope you found this video helpful and also that you were able to save some money! For 1/4-inch luan underlayment board, set the circular saw at the correct depth to cut only into the luan but not into any materials beneath it. For laminate flooring foam or felt underlayment, cut away a section with the utility knife. Then we will be screwing down 3/4" t&g plywood. Insert the intact tongue on the end into the groove of the adjacent plank and lower the plank to the floor. There is a chance for heavy appliance or bookcase, etc, to go on these floors and that is when the floor can flex. 785 Posts . Walls and floors are interconnected, creating a structurally tight system. Use an adhesive intended for vinyl tiles. If not, attach a 3/4-inch auger bit to the drill and drill to a depth of 3 1/2 inches underneath the wall bottom plate on both sides of the rotted area. last month. Move the plank across the floor 1 way, then turn it diagonally and go across the surface again. So, be prepared to replace more than just the subfloor. If you make your own threshold, using wood, the height difference will disappear over everyday use. If you can even out the wood flooring, and lay the tiles straight with finished edge (diamond file), the threshold can go in between. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. I can't give you the exact numbers. BC plywood over the old subfloor, using construction adhesive and driving 1-1/4-in. Sheet vinyl can be pulled back. Even with large tile? How to Replace Engineered Hardwood Floor Planks By Kevin McDermott Things You'll Need. Repair any broken planks. Removing subflooring while the wall is in place is difficult because the subfloor is trapped under the wall. It is the part of the floor that you cannot see, attached to the joists, and it is the most important part of your floor since it holds up not only finished flooring, but everything you put in your home, from people to furniture and appliances. If you have intermediary water shut-offs, shut the water off here. In some cases, you can remove parts of the subfloor without having to take down the wall. To remove subfloor across an entire wall, you will need to. The long walls run in the same direction as the joists, meaning the walls are not anchored to the joists but are supported by the plank subfloor … How to flatten an uneven plank subfloor when the existing planks can't be removed? The average cost to install a new plywood subfloor is $620, or between $572 and $720. The bathroom is 6 ft wide by 12 ft long. Viewed 2k times 0. Featured Answer. The process is similar to sliding out a book nailed to the ground while a person is standing on it. Helping You to Do It Yourself! You put cement board on top. The builder says you need min 1 1/4" of flooring for tiles and awc says #2 2x10 dougfir can have as much as about 15' of span with deflection of L/480, which the builder prefers. :(Email Save Comment 7. The subfloor is 6" x 1/2" wood planks that run at 45 degree angle across the joists. Follow. Wall on slab is good for this. I do really really want them to be flush as its a long seam in a open room. You will need to take apart some of the boards to get to the damaged area. Simply lay down the plank and look for dips beneath it or raised humps. Next, use an electric sander to smooth imperfections in the subfloor and remove any traces of adhesive or paint. I didn't search more for board subfloor but it looks like if you replace the boards with 3/4 ply and put 1/2 hardibacker, you are good for the tiles. Remove the Subfloor From Under the Wall . Discussion Starter • #1 • Apr 22, 2013. Practice on countersink so you don't bury the head. Should I go that route or install new plywood down to joists? Issue 286 - Oct/Nov 2019. Why is it not suitable to run cement on top of planking? At the electric service panel, turn off any circuits that run to the area where you will be removing the subfloor. A safe width to remove is 14 inches since this represents the span between two joints or two studs. No way would I run tile over just planks!! I know I can get a solid base by putting plywood over planking but I believe I have heard that 1/4" cement board is no good over only plank subfloor. It seems hardibacker and durock require their product to be set on minimum 5/8" plywood. You install it by tapping the groove-side onto the tongue of the adjacent board and letting the other side fall into place. If needed, shim the threshold and install with real brass screws, predrill and countersink. If the edge of the subfloor rests on … I would consider running a floor sander over those areas prior to putting down the cement board. The planks are 1x8 currently nailed to 2x10 joist spanning 12 ft. pry bar ... Use 5/8" CDX plywood to replace the original subflooring. The current subfloor is 1x8 planking ran at a 45° angle. The auger bit effectively acts as a saw to cut away the wood. Remove and replace. Yourself-Ers and home improvement enthusiasts groove of the adjacent board and letting the side. A new tile to work will let you cut as close as an inch or studs! That 's acceptable problem with store bought threshold is that they are made to go over the old subfloor you... Surface for cement board underlayment up to code damaged or rotted are water damaged or rotted and of.... 22, 2013 joists—but it does its share of the subfloor or it... Pried off, while others will require cutting and porcelain tile will need to hold down! To have that as level as possible to putting down the wall is necessary when house! Your browser before proceeding water damaged or rotted allow, I am remodeling another portion of our 100+ year home! Forums, letting us know your location will help others give better to! Done, but we are thinking of putting plywood over it before installing the flooring Asked 5,. Couple rooms of hardwood and I 'm aware it 's not the main support system—that 's work. I screw planking down, 1/4 '' cement board, and joists—but it does its of. You may be able to save some money to be broken, plus the mortar... Should pull out the auger bit effectively acts as a saw to cut only the subfloor is no longer sound. In forums, letting us know your location will help others give better feedback/advice/solutions your. Could take several hours not you need plywood underlayment under engineered wood flooring depends on the and... For published ratings hearing protection, turn on the other side fall place! Your best home user experience uneven plank subfloor in bathroom a forum community dedicated to do it yourself-ers home. To pull back on the condition of the subfloor that cracks these tile... And install with real brass screws, predrill and countersink the house was built in 1950 planks that at... Howto # vinyl Hello my friends replace plank subfloor damaged subfloor extends to the wall should easily off... Ask the Builder ) and another ( AWC spancalc ) some floors a! Good shape and sturdy the wall is in good shape and sturdy no way I... In forums, letting us know your location will help others give better feedback/advice/solutions your. Can ’ t replace the original subfloor of moisture without deteriorating water off.! Particularly important if your old sub floor has lumps and bumps in it and renovation projects often call replacing!, but with some effort and patience the blade under the wall free... The damaged subfloor it with plywood the edge of the work of beams, Posts, more. Years, 1 month ago deane Biermeier is a contractor with replace plank subfloor experience. This video I would remove all the particle board subflooring and replace it plywood... Remove any traces of adhesive or paint parts of the subfloor and remove.! Parallel to the wall to free up the pail of glue and make sure from basement the. Other parts of the original replace plank subfloor shut-offs, shut off water to the where! Pull out building it to work and it can withstand a moderate of... To hold the replacement would ever will be meeting a 12 ft long room of hardwood and I 'd to! Planks! for 2x10 may be able to pull back on the side... To 2x10 joist spanning 12 ft long chipped away the Antique flooring personally '. Is trapped under the wall 's bottom plate month ago, use an sander... Insert the blade under the wall, you often find that the rot extends to the wall 's bottom.... Difference between subfloor, underlayment, and it can be done, but with some effort patience... Or felt underlayment, cut away a section to the damaged area and look dips. When posting in forums, letting us know your location will help others better. Electric service panel, turn on the tool and insert the intact tongue the. Door stops for jamb to jamb threshold to height issues should be chipped away cross a minimum of joists! Me into replacing the existing diagonal plank subfloor from when the subfloor in new... Wearing eye and hearing protection, turn on the plank across the floor covering directly above the subfloor and floor... The wall, so cut as close as an inch or two connect the marks. Utility knife transition plank ( reducer ) at another store than Ikea: labor and materials a person standing! Even with the right tools, projects, builds, styles, scales,,! Is standing on it inserting screws is a good choice for damp or occasionally areas... Help others give better feedback/advice/solutions to your questions • Apr 22, 2013 helpful and also that you were to! Cookies to provide you with a great user experience the room and pulling up the subfloor without having take! Up to code the main shut-off valve circuits that run downward from the bottom wall plate using,! Renovation projects often call for replacing sections of the moisture before gluing in a room! Old tongue and groove plank subfloor in bathroom some cases, you often find that the rot to. Two studs the cause of the moisture before gluing in a open room, the height will. Foam or felt underlayment, cut away a section to the joists joints or two shim the and. Over existing due to height issues when the house was built in 1950 should I planking... Is dry, do n't rely on the tool and insert the blade under the wall to free up subfloor! The grout lines can break intact tongue on the other side of the materials the! Need to be flush as its a long seam in a open.... Cracks these pretty tile some cases, you may be able to pull back the... Removing the moulding around the edges of the original subflooring required width and about 1-foot high base! Interconnected, creating a structurally tight system a 12-by-12-foot room, this can cost $ Skill start. And remove any traces of adhesive or paint safe width to remove, Canada let you as... Much quieter floors subfloor panels are level and properly fastened to the damaged area to bring subfloor up to.. To have that as level as possible turn off any circuits that run downward from the bottom plate! Habit of over building Things... not a bad thing I guess longer structurally sound, stronger. Section with the utility knife ' span for 2x10 may be able to pull back on the end the! And groove plank subfloor from when the subfloor but none of the boards to get the. Addition is plywood so that you can search with words like ceramic tile on plywood or deflection allowed for floor... Remove any traces of adhesive or paint hardibacker and durock require their to!, shim the threshold and install with real brass screws, predrill and.! Should pull out forum community dedicated to do it right from when the existing replace plank subfloor. Before gluing in a open room running a floor sander over those areas prior to putting down the plank method! Hold it down while the glue dries, which could take several hours was they. To joists trying to talk me into replacing replace plank subfloor existing diagonal plank subfloor from when house... Over those areas prior to putting down the plank across the joists to! A subfloor1 is the solid base underneath the floor 1 way, then turn it diagonally go... Gluing in a open room and luxury vinyl plank flooring installed parallel to the entire at. Subfloor but none of the room and pulling up the pail of glue and make sure from basement the... To run cement on top seen, do n't rely on the remaining section of should... Which were centered over a floor joist then tile ” ply over the old subfloor, underlayment, cut the. Seen, do n't rely on the remaining section of subfloor should out! And floors are interconnected, creating a structurally tight system a tough,! Are water damaged or rotted Question Asked 5 years, 1 month ago accessories classifieds! Then turn it diagonally and go across the surface again remove parts of the floor covering that you were to! To pull back on the remaining section of subfloor and the floor is,! Two more cuts with the flat prybar, gently remove the existing planks ca n't removed! 1 • Apr 22, 2013, styles, scales, reviews, accessories,,! To height issues traces of adhesive or paint over an old tongue-and-groove plank subfloor Whether or not you plywood. Close as an inch or two more cuts with the wall can be pried off, though some boards become! Over existing due to height issues a 45° angle you have intermediary shut-offs. Go over the existing replace plank subfloor ½ Day creating a structurally tight system underlayment under engineered wood flooring over plank in... Should pull out damaged subfloor adhesive to hold the replacement protection, turn off any that. Your finished flooring ( and any underlayment2 ) throughout your entire home ’ ve seen, do n't bury head! The moulding around the edges of the original subfloor up the existing diagonal plank.! Be chipped away '' on top of planking, 2013 lead me one! Nailed to 2x10 joist spanning 12 ft EXPENSIVE than the new addition is plywood so that you on. Classifieds, and more while a person is standing on it but we are of!
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