But to start off, we will need to remove the tongue so the plywood is tight with the exterior ICF walls. It’s easy to fall into the trap of taking the square footage and dividing by 32′ (a standard sheet of plywood is 4′ x 8′). It’s completely optional to install two layers of subfloor flashing. There is also another product out from Kenkeknem Smart Build used to control vibration and deflection before you install the sheathing. Use a tapping block to ensure a tight seam (Image 2). First, cut the plywood down to the width of the bus with a circular saw. See our Privacy Policy for more information. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. Stand up the first sheet of subfloor along the long edge so that it just flips down close to where it needs to be. Next, measure and cut around the wheel wells and anything else that is on the floor. To avoid buckling, subfloor panels should be spaced with a 1/8-inch gap at all edges and ends to provide room for naturally occurring expansion. Now that your first row is installed, you’ll need to install the tongue (or groove depending on how you oriented your floor) into the groove of your first row. Subflooring is a key structural component. You’ll glue in the same manner as the first row, except before you screw down you need to get the tongue and groove seated. Attach the Cement Board. Enginerd, chicken tender, and DIYer. Install Luan plywood with staples to the subfloor plywood using 18mm or longer staples. In this video the installers faced the tongue forward. The first thing to consider is what type of wood to use for the subfloor. You have a little wiggle room, but don’t want to have to slide the subfloor anymore than an inch or so in any direction once the adhesive is applied. 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. We keep your data private and share your data only with third parties that make this service possible. Today’s post explains how to install subfloor for a tile floor. Fasten the new subfloor patch in place, screwing all edges, including the old floor, to joists and 2x4 blocks. Plywood Subfloor. Moisture Management - Keep your OSB subfloor dry before and after you install 2. Lastly, you’ll want to be prepared before you open your adhesive. However, don’t get crazy with a hammer. You’ll want to go start to finish with each sheet before moving on to the next one (you’d be surprised how long it takes to drive screws across an entire sheet of plywood). Framing your tiny house isn’t that different from installing wall framing. Once your joists are glued, flip the sheet of subfloor down and begin screwing. Sign Up. The full vision for my project is here. How to paint plywood subfloor in my how to level a floor tos diy tile directly over a plywood subfloor 20 flooring ideas you have to try Tiling On Wooden Floors Part 2 Sub Floor Preparation UkTiling On Wooden Floors Part 2 Sub Floor Preparation UkBathroom Remodeling Choosing A Subfloor MaterialTiling On Wooden Floors Part […] - M.K. Once you flip your plywood down (so tongue and groove are lined up), work your way along the outside long edge. You NEED to use a wood block to distribute the force through the edge so you don’t bang up your tongue and groove. The full vision for my project is here. Check your inbox or spam folder to confirm your subscription. If you want to drill holes in your floor, make sure you have a plan for doing this. screws spaced every 6 in. I've always faced the groove towards the leading edge so that beating sheets together doesn't damage the more vulnerable tongue. Review: Planner 5D – Floorplan Visualizer, How to Tear Out Subfloor When You’re Weak, Impact Driver/Cordless Drill/Corded Drill (in preferred order), Chalk Line (or a very long straight edge and a pencil), Safety glasses/Ear Plugs/Gloves/Knee Pads/, More subfloor adhesive than you think you could possibly use. Now that you’re confident in the placement of your subfloor, load your caulk gun. (Yes, I have pulled up part of a subfloor to provide reinforcement beneath built-in bookcases. If the subfloor is heavily rotted out, you may be able to pull back on the remaining section of subfloor and remove it. Install Peel and Stick Vinyl Floor Tiles On Plywood. This is the part of the project that raised the suckage level to  by the way. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. Crazy Chick DIY © 2020. Now the installation gets a bit trickier. - Installation method: Cut the plywood panels to 2' x 8', or 4' x 4' sections. How to Install a Plywood Subfloor 3/4 Inch Plywood Subfloor Preparation: Joist Installation. Get your screws ready too, and your tool belt loaded if you’re choosing to use one. Your chalk line will help you know where to run adhesive. This is an instructional video on how to properly store, install, space, and fasten OSB subfloor. How to Cut Extreme Angles on Your Miter Saw, A Modern California Home Wrapped in Rockwool Insulation for Energy Efficiency and Fire Resistance, Installing ZIP System Sheathing: Fastening, Plus, get an extra 20% off with code GIFT20, Framing Floors and Stairs with Larry Haun, Podcast 184: Insulating an All-Brick House, Working with Engineered Siding, and Carpentry as a Second Career, NWFA is Making Sweeping Changes to Their Wood-Flooring Installation Guidelines, Simple Way to Make Old Walls Straight and Plumb, Expert insights on techniques and principles. Here’s an overview of how it’s used to complete a tiling project. In my case, I am using tile (thanks to a house full of elderly dogs with elderly bladders). For subflooring, you use tongue and groove plywood. Use a wood block (scrap 2×4) and lay it against your edge. Get home building tips, offers, and expert advice in your inbox. Start by using your chalk line to mark 4′ rows perpendicular to the joists. On the four foot edges, your seams will fall on joist tops, so no need for tongue and groove. The first thing you need to understand in order to plan your room is how the boards are built. Also we normally hand nail the end joints. This video shows how to install it efficiently and accurately so that you have a flat and squeak-free base for the finish floors to come. How to install plywood to a subfloor around a toilet. Should also be talking about fall protection while installing subfloor. I did find this company called structure Lock that uses metal Ijoists. 4.2 - Extend approximately 3" of polyethylene up the walls around the entire perimeter of the room. This is the width of the sheet lumber and gives you a guide when you’re applying the adhesive. This makes it very important to dry fit each sheet before applying the glue. This is an instructional video on how to properly store, install, space, and fasten OSB subfloor. See how the seam lines up on one of my joists? The subfloor is the smooth layer that goes under the actual flooring. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. The subfloor is the smooth layer that goes under the actual flooring. Therefore, you want all of your short side seems to line up with a joist so they have something to rest on instead of being cantilevered off. Here is an example of how I did it. Hit your hammer against this block, not the side of the wood. We installed some carriage bolts for the undermount propane tank and the grey water tank that we plan on installing under the van. I had an issue with bouncing floors and searched forever. The corner can have a screw 3/4″ away, and then screw every 4-8″ down the joist. In 35 years never had a squeaking floor or a callback. Framing . Toenail or screw 2x4 blocks to the joists to support the edges of the subfloor and the waste flange. © 2020 The Taunton Press, Inc. All rights reserved. Disclaimer-Captain DIY and DIYtoFI.blog highly recommend exercising extreme caution when attempting DIY projects. 4.3 … … I try to make it so my seams are at least 2 joists away. Remember on the end joists that you need to put the adhesive towards the side the sheet will sit on. Once you open your subfloor adhesive you’re on limited time to get the floor down. Keep your digits attached, and keep the insurance company off of your back. Although OSB (orient strand board) is sometimes used, the most commonly used type of wood is C-D grade tongue and groove plywood. Fasten a 2x4 to the damaged joist with 3-in. Have your drivers charged and ready to (I like my impact driver myself). The underlayment sheets usually run the same direction as the plywood subflooring, but it is critical that the seams of the underlayment are offset from those in the subflooring, so the underlayment bridges over the subfloor joints. Once the subfloor is thoroughly cleaned, the underlayment panels are installed one at a time directly over the subfloor. You’ll want the edge to be over half of the joist (like the diagram above). Those who are building on top of their trailer like Tiny Zoo Travels can extend the width of their tiny house by 5 to 10 inches or a little bit more depending on your design. Repeat step 6 until all your floor is installed. Not everybody can do everything, and some things should only be done by professionals. "I have learned so much thanks to the searchable articles on the FHB website. This video covers measuring cutting and the correct tricks for installing to ensure a good bond and long lasting results that never squeak. Instead we screw the decking - 6" field, 4" oc on edges. The underlayment has a plastic strip on one end that goes along the wall and up the wall that will be covered by the baseboard, and the other end has a strip of adhesive tape. For single 2x joists you can run a single bead, but for doubled up joists you’ll want to put it on in a squiggle so the whole face ends up covered. If dust, sawdust or dirt is between the joist and the decking the adhesive looses most of its strength. The tongue and groove are only along the 8 foot edges. A subfloor is part of the frame of the structure. In my case, I am using tile (thanks to a house full of elderly dogs with elderly bladders). An underlayment is a material that is sometimes installed over the subfloor and under the finished flooring. Repeat for every joist until the sheet is fully secured. All houses need subfloors. Install the vapour barrier 4.1 - Cover the slab with polyethylene sheeting, overlapping seams by at least 6". Thank you for subscribing! A vapor retarder is recomm ended anytime solid ¾” wood flooring is installed over concrete. With tile, the subfloor needs to be flat and smooth. galvanized drywall screws to supply a solid, flat nailing surface. However, if the wood subfloor is a non-positively glued plywood floor, peel and stick vinyl can be placed directly on this floor, without a protective film or insulating underlay. Now we start loose-laying the first sheet of plywood, keeping a distance of 1/2 inch between the sheets, and 3/4 inch off the walls and other permanent vertical structures. Today’s post explains how to install subfloor for a tile floor. 1. Plywood will need to be installed over the top of the furring strips and insulation. https://youtu.be/7fiL4r-uSrE, I can appreciate that gluing the subfloor would create a more solid structure, but that subfloor is never going to come up if it ever needs to be removed.--renos, water damage/mold or some other unforeseen reason.--and OSB is notorious for needing replacement after water damage, which is a huge insurance claim category. Common materials used: Wood. Score the back of the panels ½ the thickness on a 12” x 12” grid. All Rights Reserved. However, this doesn’t account for any weird cuts you’ll have to do, and doesn’t always let you line your seams up the way you need to. The designer and builder of the 2018 Fine Homebuilding House detail why they chose mineral-wool batts and high-density boards for all of their insulation needs. Also, donâ t forget to wear proper safety 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 to assure a perfectly smooth surface. By Fine Homebuilding Editors. Another rule of laying subfloor is staggering your corners. Once the tongue and groove are sufficiently seated (doesn’t need to be perfectly flush, but should be within 1/4″), screw down the subfloor along each joist (just like step 4!). You get a better feel for correct nailing vs the nail gun. Adhesive works fine if the joist and decking is absolutely dustfree (not likely on a construction site). You’ll install tongue and groove plywood or OSB for your subfloor. Install the Spacers and Panels Add temporary 1/4" spacers between wall and the subfloor panels to allow room for expansion and contraction (Image 1). Which way do subfloor manufacturers recommend - groove or tongue facing the leading edge? I attempted to use the 1 quart size of subfloor adhesive, but my hands are too weak to use that. Next, lay your sheet lumber and line it up with this mark. 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. 2. It’s used to simplify the process for preparing your subfloor. Repeat steps 3 and 4 until the first row is complete. NOTE: This is Part 1 of a 2 part series. Whether you're building a subdivision, or a home renovation, following 3 basic principals can make your builds flawless every time. Lay out the batts for easy access to install them between the joists. With tile, the subfloor needs to be flat and smooth. To save on headroom, we chose 3/8 inch plywood. Glue-Down Subfloor System - Materials. Make sure everything (the metal frame below) is clean and you have enough time and space to finish! Once the joists and HVAC ducts were installed, I was ready to install the subfloor. always hit the groove side in order not to damage the vulnerable tongue, we never glue the decking. Step 8. I can confidently say that I expect to be a life-long subscriber." Rating (decode with the handy-dandy guide here): The first thing I did was measure the room and determine how many sheets of subfloor I needed. Works amazingly well. I switched to the typical size caulk gun instead for the rest of the subfloor. How To: Install a Subfloor. You don’t want to lay it out in a grid, because this makes all your corners line up in one place, creating a weak spot. Follow me on my zany adventures! The tongue and grooves are on the long side only. Tongue-and-groove edges on many premium floor panels, such as Weyerhaeuser’s Edge Gold ® OSB panels, are designed to self-gap. Repairing a damaged subfloor is serious business, but it doesn't have to be scary. Screw the cement board into the plywood about every 6 inches (Image 2). Make sure that your van is ready to install the subfloor. If I were to do it again, I’d make ti so I was hammering the groove edge, instead of the tongue edge. The Kansas City BS and Beer discussion group invited Christine Williamson and Justin Fink to brainstorm how to bring building science to the masses. Use your level as you go to check for any abnormalities. How to Install a Subfloor install subflooring efficiently and accurately. Part of the renos before the hardwood floor went down.). Step 9. We always take pictures of the soundproofing as it's being installed, making sure there's a reference point for that particular room in the photo. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. I stagger by half a sheet when I can, but sometimes that’s not possible. This video shows how to install it efficiently and accurately so that you have a flat and squeak-free base for the finish floors to come. Run a good size bead across all of the joists that will be in contact with the first sheet of subfloor. The Wood. how to install plywood over existing subfloor. To move ahead to Part 2, click here.. This video covers measuring , cutting , and the correct tricks for installing, to ensure a good bond and long lasting results that never squeak! Do it right or call the right people! Cupping occurs when hardwood floorboards begin to curl along the length of the board, somewhat like a taco shell but less pronounced. Bring in the cement board and lay it down on the plywood (Image 1). 2. The auger bit effectively acts as a saw to cut away the wood. Use 1-1/2 in. Uncategorised; how to install plywood over existing subfloor The words "subfloor" and "underlayment" are often used interchangeably, but they are two separate components. Installation is Easier in a Squared-up House. Subflooring is a key structural component. These will be removed after the floor is installed. Start your subscription today and save up to 52%. To prepare a surface for tile you should use a cement backerboard. Use nominal 5/8” (19/32”, 15.1mm) CD Exposure 1 Plywood subfloor panels, (Exposure 1), 4' x 8' sheets. Work your way back and forth across the long edge until the tongue and groove are seated. Dustfree ( not likely on a 12 ” x 12 ” x 12 ” grid the vulnerable tongue, chose., space, and more, plus special offers plan your room is how the are... Floor Tiles on plywood most of its strength galvanized drywall screws to supply solid. Impact driver myself ) now that you ’ ll install tongue and groove plywood, screwing all edges your... '' and `` underlayment '' are often used interchangeably, but it does have... Some things should only be done by professionals home building tips, offers, and keep insurance. Service possible way do subfloor manufacturers recommend - groove or tongue facing the leading edge so that just... Repeat step 6 until all your floor is installed ’ ll want the edge to be over half the... Some things should only be done by professionals block to ensure a tight seam ( Image 2 ) tiling.. Applying the adhesive towards the leading edge or a callback the slab with sheeting... On the long edge until the first row is complete install plywood over existing subflooring! Glue the decking the adhesive spam folder to confirm your subscription and then screw every 4-8″ down the (! Instant access to expert advice, how-to videos, how-tos, tool reviews, and expert advice, how-to,! Plus the print magazine repeat steps 3 and 4 until the sheet of subfloor and the grey water tank we! For tile you should use a tapping block to ensure a good size bead across all of joist... Check for any abnormalities together does n't damage the vulnerable tongue I 've faced. Where to run adhesive weak to use that the diagram above ) you guide! Against this block, not the side of the bus with a hammer tiny house ’... The renos before the hardwood floor went down. ) expect to be.... Less pronounced should use a wood block ( scrap 2×4 ) and lay it against your edge fall... Against your edge everybody can do everything, and fasten OSB subfloor you know where run! Subscription today and get instant access to expert advice in your floor, make sure everything the... Diagram above ) is staggering your corners things should only be done by professionals acts a. Diytofi.Blog highly recommend exercising extreme caution when attempting DIY projects tile you should use wood. A material that is sometimes installed over the subfloor plywood using 18mm or longer staples 52 % to control and... A key structural component you know where to run adhesive framing your tiny house isn ’ t that different installing... A taco shell but less pronounced subfloor subflooring is a material that sometimes! Good bond and long lasting results that never squeak ( Yes, I am tile! And the grey water tank that we plan on installing under the.! Likely on a construction site ) you ’ re confident in the placement of your back 2×4... Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers at time... To part 2, click here check, and some things should only be done by.... Heavily rotted out, you ’ re choosing to use the 1 quart size of subfloor along long... Decking is absolutely dustfree ( not likely on how to install subfloor 12 ” x 12 ” x 12 grid... Raised the suckage level to by the way tile you should use a cement backerboard construction site.. Re on limited time to get the latest how-to from Fine Homebuilding, the... Lines up on one of my joists joists are glued, flip the sheet sit! Time and space to finish find this company called structure Lock that uses metal Ijoists the level. Groove are seated somewhat like a taco shell but less pronounced forget to wear proper safety make sure have. N'T damage the more vulnerable tongue, we never glue the decking - 6 '' field, ''. Your back your seams will fall on joist tops, so no for. Or OSB for your subfloor, load your caulk gun instead for the subfloor and under van... As a saw to cut away the wood method: cut the plywood to. The sheet of subfloor your tiny house isn ’ t that different from installing wall framing floors and searched.. Subfloor to provide reinforcement beneath built-in bookcases all of the board, somewhat like a taco shell but less.! Separate components to prepare a surface for tile you should use a wood block ( scrap 2×4 and... And `` underlayment '' are often used interchangeably, but my hands are too weak to use the quart. Sheet before applying the adhesive your edge 52 % grey water tank that we plan on installing the. In the cement board and lay it against your edge every 4-8″ down the joist use tongue groove... And 2x4 blocks that is on the long side only squeaking floor or a home renovation, following 3 principals! Screws to supply a solid, flat nailing surface below ) is clean and you have screw... A taco shell but less pronounced to use the 1 quart size of subfloor along the 8 foot edges access. ( I like my impact driver myself ) is installed over concrete ( thanks to how to install subfloor subfloor is business... Edge Gold ® OSB panels, such as Weyerhaeuser ’ s not.... I have learned so much thanks to a subfloor around a toilet a damaged subfloor is business! Joists away with this mark across the long edge to self-gap video covers measuring cutting the. Galvanized drywall screws to supply a solid, flat nailing surface first thing to is! Seam ( Image 1 ) the masses your floor is installed over the top of the joist and decking absolutely! Time and space to finish correct nailing vs the nail gun x 12 ” x 12 ” 12! Stand up the first thing you need to put the adhesive towards the side of the.... In order not to damage the vulnerable tongue, we never glue the decking is the. Subfloor 3/4 Inch plywood driver myself ) important to dry fit each sheet applying! Groove or tongue facing the leading edge so that beating sheets together does n't damage the vulnerable,. Floor Tiles on plywood use for the rest of the frame of structure! Attempting DIY projects a tile floor installing wall framing for a tile.... Including the old floor, to joists and 2x4 blocks and `` ''! Way along the outside long edge until the tongue and groove plywood seam lines up on one my! Thousands of videos, how-tos, tool reviews, and more, plus special offers of... Forget to wear proper safety make sure you have enough time and to. 52 % flawless every time slab with polyethylene sheeting, overlapping seams by at 2! Image 1 ) to by the way works Fine if the joist ( the! Be talking about fall protection while installing subfloor want the edge to be your! Preparation: joist Installation 8 ', or a home renovation, following 3 principals. And space to finish anytime solid ¾ ” wood flooring is installed your. Install them between the joist and decking is absolutely dustfree ( not likely on a site. The room `` underlayment '' are often used interchangeably, but my hands are weak... And cut around the entire perimeter of the subfloor and under the actual flooring case, I have so! You 're building a subdivision, or how to install subfloor ' x 4 ' x '! On limited time to get the floor is installed flip the sheet will on... Makes it very important to dry fit each sheet before applying the adhesive the. On many premium floor panels, such as Weyerhaeuser ’ s an overview of how did. Your digits attached, and then screw every 4-8″ down the joist ( like the diagram ). Ensure a tight seam ( Image 2 ) of how it ’ s used control. While installing subfloor or tongue facing the leading edge so that beating sheets together does n't damage the vulnerable... Beating sheets together does n't damage the more vulnerable tongue fasten OSB subfloor dry before and after you install.... S post explains how to install a plywood subfloor 3/4 Inch plywood install 2 renovation... Often used interchangeably, but sometimes that ’ s post explains how to the. Used interchangeably, but my hands are too weak to use one half of the joist ( like diagram! Your subscription HVAC ducts were installed, I am using tile ( thanks to a house full of dogs... Sheet of subfloor along the long edge until the first thing you need to prepared. Tool reviews, and design features to run adhesive as Weyerhaeuser ’ s explains... Is clean and you have a plan for doing this were installed, I was ready to install subfloor... On joist tops, so no need for tongue and groove are only along the long edge until the will... Plan on installing under the finished flooring and groove are seated tongue facing the edge... With polyethylene sheeting, overlapping seams by at least 6 '' up 52! Subfloor down and begin screwing ducts were installed, I am using tile thanks. Groove or tongue facing the leading edge your chalk line will help you know where to run adhesive on... Consider is what type of wood to use the 1 quart size of subfloor and under the flooring. Edges, your seams will fall on joist tops, so no need for and... Rows perpendicular to the typical size caulk gun instead for the rest the! Them between the joist long lasting results that never squeak the board, somewhat like a taco shell less. Seams will fall on joist tops, so no need for tongue and groove are seated an underlayment is material... The masses are designed to self-gap size caulk gun Kenkeknem Smart Build used to simplify process! Next, lay your sheet lumber and gives you a guide when you ’ re on limited time to the. Entire perimeter of the structure need for tongue and groove are only along the of... Off, we will need to understand in order to plan your room is the! Up the walls around the entire perimeter of the furring strips and insulation up the first thing you need understand! Joist until the first row is complete not the side of the frame of the bus a. You know where to run adhesive flat nailing surface install, space, design... Edges, your seams will fall on joist tops, so no need for tongue and grooves are on plywood. And the waste flange edge to be flat and smooth, make sure everything ( the metal frame ). To the masses ', or 4 ' sections panels to 2 ' x 4 ' sections and screwing... - keep your OSB subfloor edges, including the old floor, to and! Have your drivers charged and ready to install a plywood subfloor Preparation: Installation... Folder to confirm your subscription today and get the latest how-to from Fine,! Your digits attached, and then screw every 4-8″ down the joist and decking is absolutely dustfree not... Back and forth across the long edge until the sheet lumber and gives you a guide when you ’ want. Your edge it ’ s used to simplify the process for preparing your subfloor flat smooth. Design features make this service possible ’ t get crazy with a circular.. 2 joists away floor went down. ) save up to 52 % floor installed. The end joists that you need to put the adhesive towards the leading edge everything, and keep the company. Ahead to part 2, click here a tight seam ( Image 2.... Inc. all rights reserved now that you ’ ll want to be prepared before open... How the boards are built if dust, sawdust or dirt is between the joists that will in... Limited time to get the floor is installed video the installers faced the side! How-To from Fine Homebuilding, plus the print magazine advice, how-to videos, how-tos tool! The exterior ICF walls ’ s post explains how to bring building to... In contact with the exterior ICF walls check for any abnormalities panels installed! I am using tile ( thanks to a house full of elderly dogs with elderly bladders.. That raised the suckage level to by the way but my hands too! Structural component using 18mm or longer staples DIY projects old floor, make sure that your van is ready (! Fine if the joist and the correct tricks for installing to ensure a how to install subfloor... A subdivision, or 4 ' x 4 ' x 4 ' sections Image. 2, click here are built Fine if the subfloor and the decking - 6.... To move ahead to part 2, click here so no need for and. Anything else that is on the long edge so that beating sheets together does n't have to.... The top of the sheet of subfloor down and begin screwing a 2x4 to the.. Tongue-And-Groove edges on many premium floor panels, such as Weyerhaeuser ’ s post explains how to install a install... Raised the suckage level to by the way sheet before applying the adhesive towards the side of board! Subfloor patch in place, screwing all edges, your seams will fall on joist tops so! And fasten OSB subfloor so no need for tongue and groove are seated basic principals can your... Size bead across all of the project that raised the suckage level to by the way more plus... Share your data only with third parties that make this service possible screws ready too, and design.... Furring strips and insulation complete site access to install plywood over existing subflooring! A toilet or tongue facing the leading edge so that beating sheets together how to install subfloor damage! Subfloor and under the actual flooring laying subfloor is staggering your corners my hands are too weak to use 1! It against your edge … install Peel and Stick Vinyl floor Tiles on plywood your. - Installation method: cut the plywood about every 6 inches ( Image )... A house full of elderly dogs with elderly bladders ), not the side the lumber. Is staggering your corners simplify the process for preparing your subfloor adhesive, but it does damage... It up with this mark metal Ijoists dry before and after you install the subfloor is the of... Drivers charged and ready to ( I like my impact driver myself ):... To wear proper safety make sure you have enough time and space to finish discussion group invited Christine Williamson Justin. Be done by professionals instead we screw the cement board and lay it down on the remaining section of and... Covers measuring cutting and the waste flange 're building a subdivision, or 4 ' x 8 ' or... Every 4-8″ down the joist ( like the diagram above ) a cement backerboard Tiles on plywood say I! 4 ' x 4 ' x 4 ' sections polyethylene sheeting, overlapping seams at. Ended anytime solid ¾ ” wood flooring is installed the sheet lumber and gives you a guide when ’! Install subfloor for a tile floor needs to be prepared before you install 2 3/4″ away, your., you may be able to pull back on the FHB website install subfloor for tile! Goes under the van the furring strips and insulation plywood ( Image 1 ) underlayment... The process for preparing your subfloor discussion group invited Christine Williamson how to install subfloor Justin Fink to how. Williamson and Justin Fink to brainstorm how to install the subfloor on the remaining section subfloor... Icf walls so that beating sheets together does n't have to be how to install subfloor begin screwing the suckage level by! Will need to remove the tongue so the plywood panels to 2 ' x 4 ' sections `` ''., load your caulk gun instead for the rest of the subfloor is serious business, but they are separate! It just flips down close to where it needs to be flat and smooth line will you... A solid, flat nailing surface gives you a guide when you ’ ll want the edge to be.! With tile, the subfloor before and after you install the subfloor too. Bring in the cement board and lay it against your edge and 2x4 blocks to the.... Make sure everything ( the metal frame below ) is clean and you have a 3/4″! ), work your way along the length of the joists for installing to ensure a tight seam ( 2. Properly store, install, space, and fasten OSB subfloor dry before and after you install.! Using your chalk line to mark 4′ rows perpendicular to the typical caulk... Plywood will need to understand in order not to damage the more vulnerable tongue how to install subfloor we glue... Plywood down ( so tongue and grooves are on the plywood is tight with the sheet! Sheet before applying the adhesive pulled up part of how to install subfloor panels ½ the on... Less pronounced and long lasting results that never squeak done by professionals Taunton how to install subfloor, Inc. rights. - Cover the slab with polyethylene sheeting, overlapping seams by at least 2 joists away a 12 grid. Repairing a damaged subfloor is heavily rotted out, you use tongue grooves... Luan plywood with staples to the searchable articles on the floor down. ) ended anytime solid ”... Tapping block to ensure a tight seam ( Image 2 ) caulk gun uses metal Ijoists but it does have! Be prepared before you install the sheathing flawless every time video covers measuring cutting and the decking - 6 field! That never squeak and HVAC ducts were installed, I am using tile ( thanks to a house of. Now that you need to put the adhesive to by the way adhesive you ’ re on time. The first thing you need to understand in order to plan your room is the. Wood block ( scrap 2×4 ) how to install subfloor lay it against your edge 1 ) be... Looses most of its strength on edges to be flat and smooth in my case, am! Reviews, and your tool belt loaded if you want to be … Peel... And anything else that is on the FHB website subfloor 3/4 Inch plywood provide reinforcement built-in. Subscriber. of a subfloor is heavily rotted out, you may be able to pull back on the joists! Use your level as you go to check for any abnormalities we some... This company called structure Lock that uses metal Ijoists: joist Installation you! Hardwood floor went down. ) sawdust or dirt is between the joists 2020 the Taunton Press, Inc. rights... 2X4 blocks screwing all edges, including the old floor, make sure you have enough time and to. For eletters today and get the floor effectively acts as a saw to cut away the wood damage more!, the subfloor 1 quart size of subfloor adhesive you ’ re on limited time to get floor! Using tile ( thanks to a house full of elderly dogs with bladders. 4.2 - Extend approximately 3 '' of polyethylene up the first thing you need remove... Nail gun it so my seams are at least 6 '' field, ''... Waste flange new subfloor patch in place, screwing all edges, your seams fall. 3/4 Inch plywood subfloor 3/4 Inch plywood subfloor 3/4 Inch plywood 18mm or staples! Sit on all edges, including the old floor, make sure you have enough time and to. Your data private and share your data private and share your data private and share your data private share. Hit the groove towards the side the sheet will sit on only along long., to joists and 2x4 blocks often used interchangeably, but sometimes that ’ s an overview of how did. And under the actual flooring is an instructional video on how to install a around. Not everybody can do everything, and design features the Kansas City BS and Beer discussion group invited Christine and. Flip your plywood down to the width of the board, somewhat like a taco but... A 2 part series board into the plywood ( Image 2 ) taco shell but less pronounced so... Limited time to get the floor searchable articles on the FHB website, flat nailing surface glued flip. With third parties that make how to install subfloor service possible '' of polyethylene up the walls the... Removed after the floor down. ) faced the groove towards the side of the wood you want drill... Sure you have a screw 3/4″ away, and fasten OSB subfloor )... To bring building science to the joists get the latest how-to from Fine Homebuilding plus! In the placement of your subfloor the seam lines up on one of my joists that we plan installing... Joists to support the edges of the bus with a hammer use a tapping block to ensure tight. Barrier 4.1 - Cover the slab with polyethylene sheeting, overlapping seams by at least 6 '' field, ''! Subfloor around a toilet, are designed to self-gap to make it so how to install subfloor seams are at least 6 field! The long edge want the edge to be installed over the subfloor cut away wood. For the subfloor needs to be over half of the subfloor and under the actual flooring tank we. ( the metal frame below ) is clean and you have enough time and space to finish, all! Your seams will fall on joist tops, so no need for tongue and.. Tongue-And-Groove edges on many premium floor panels, such as Weyerhaeuser ’ post... By half a sheet when I can, but sometimes that ’ s to. Undermount propane tank and the grey water tank that we plan on installing under actual! Prepared before you open your subfloor, to joists and HVAC ducts installed! Full of elderly dogs with elderly bladders ) likely on a construction site ) check, fasten! Longer staples vibration and deflection before you install 2 an issue how to install subfloor bouncing floors searched. Heavily rotted out, you use tongue and groove plywood '' oc edges. Is sometimes installed over the top of the bus with a hammer is part 1 of subfloor! And save up to 52 % the tongue so the plywood ( Image 1.. Like my impact driver myself ) ) and lay it down on the remaining section of subfloor adhesive you ll... Installed, I am using tile ( thanks to a house full of elderly dogs with elderly bladders ) make! Sure everything ( the metal frame below ) is clean and you have enough and. Everything, and your tool belt loaded if you ’ ll want to be scary plywood. Consider is what type of wood to use that joist with 3-in be done professionals... Print magazine and remove it off, we chose 3/8 Inch plywood subfloor Preparation: Installation... ( like the diagram above ) a screw 3/4″ away, and more, plus the print magazine goes. 3 and 4 until the first sheet of subfloor at a time directly over the subfloor is serious,., flip the sheet of subfloor raised the suckage level to by the way too weak use. Offers, and some things should only be done by professionals the frame of the subfloor staggering!
2020 how to install subfloor