Take for example the installation shown further down the page. Hi,Chandler, thanks for your quick reply, I'm working on trying to post a photo: keep getting file too large for both from my computer and URL. Copyright © 1995-document.write(new Date().getFullYear()) MH Sub I, LLC dba Internet Brands. They are in pairs one above other with 1 foot in between and metal bracing. The image below best illustrates this. I am prepping an old plank subfloor from the 60's for a new layer of 3/8" plywood. I have put the hardiebacker and painted the redgard on it and realized that the floor is not level. During remodeling, these planks are often replaced with plywood or OSB, or they can be augmented by laying another subfloor layer of plywood over the diagonal planks. The main problem is the warped planks and (of course) the cut joist. Uptown Floors is a national online retailer of high quality prefinished hardwood floors. Older homes with thicker solid plank flooring were installed on a diagonal. It's how I ended up here (it's my go to place for solutions, though this is first time posting). I believe he needs to beef up the sub-floor with 1/2" ply screwed/glued down over the 1x10 into the joists. Other applications can include using a full length piece as a backer board for the start of the installation. Now, we have a plan for this morning. Other situations where attention should be taken into account would be if thinner sub flooring was used, or settling of the home had taken place with visible peaks and valleys across the subfloor. I think the joists are fine. The opposite wall has no joist visible but we can sister a joist there without a problem. A line of nails or … Can I install 3/4" of hardwood flooring directly upon the original plank subfloor? This engineered material acts as a floating floor over concrete to provide extra protection from moisture and create a softer feel underfoot. The original tub was a one piece tub/surround made of fiberglass with lots of shims for leveling. Thank you much! It is fairly normal to have the type of diagonal subfloor planks be made out of the knarlious boards known to man. 2) I need to frame next to the tub as the tub is 60" long but area is 72" wall to wall, so if I SLC should I frame before or after the SLC goes in? 3/4" Hardwood flooring can be installed over diagonally laid planking. If I SLC the entire bathroom that would leave a 1 1/2" high ledge at the door meaning I would need a very high threshhold to them wood floor I haven't put in yet; would you SLC the entire bathroom? Add a layer of 1/2-in. I’ve found the best area to start is in a corner. We have made progress and feel much better about the project. Cut Partial Tiles. The examples shown on this page are part of a directional change done for a showroom. Experts have always been aware of the effect floor joist direction can have on the performance of solid 3/4 inch hardwood floors. I would simply screw then down tightly to the floor joists. Is it ok to use pressed wood, or should I replace it with drywall? The planks run into other rooms so I don't think we can cut them out without affecting the strength of the subfloor in other rooms. IN GENERAL: ensure subfloor panels are level and properly fastened to the joists. There are no structural subfloor components that can effect the performance of the hardwood floor except prestressed or precast concrete. Thanks, but we have already pulled up the floor. Opinions on how to install a diagonal hardwood floor may vary depending on who you talk to. We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. It's not uncommon to have directional changes that offset the appearance, providing you have the proper sub floor. I have an older 1940's home with 3/4" diagonal plank subfloor. Diagonal floor installations can be installed on both plywood (minimum sub floor requirements) and concrete subfloors. Issue 286 - Oct/Nov 2019. The best floor sealer for pet urine is a stain blocking primer. structural plank subfloors; concrete and heated floors. This is particularly important if your old sub floor … And diagonal subflooring has less effect on creating shrinkage cracks in the finish flooring. If you plan on tile, let us know the size of your floor joists, their spacing, and the longest unsupported span under the room. Sorry if terms are not correct. The planks themselves have warped in some places and when laid down I guess they left large gaps to save from having to shave down a plank. Keep in mind our example is a glue down installation and the procedure may vary. But I noticed the fire place is mounted by 2x4's surrounding it... By way of explanation, as you walk into the foyer, the floor will be installed perpendicular to the front door threshold. I'm aware that concrete backer board shouldn't be applied to plank subfloor, and that I need to lay down a plywood underlayment first. Things to take into account when laying ply over plank subfloors: Take time to make sure your existing planks are well secured in place. If I install the flooring front to back of the entry, it will look all chopped up in the hallway. No movement of the starter line area will occur, but keeping a watchful eye on the area is advised during the course of the first several rows. More modern homes have a floor joist system and a subfloor. Generally the biggest problem is keeping the same angled cut around the wall lines with so many individual pieces being used. It’s not uncommon for flooring to have a little … With the plywood in place, install the backer board as you normally would. When removing the tiles, the drywall also came out ripped. Tub felt "squishy" at times, though never squeaked. In my own personal opinion, diagonal installations at a 45º angle will make your home stand out in the neighborhood. This may require you to cut back further on the joist in order to install the bridge. For years most construction has been using common 5/8 or 3/4" sub flooring over joist systems. Fixing the underlying problem is as simple as adding another layer of plywood to the existing subfloor, providing your floor joist spacing is in a normal range. I plan on screwing it down along the 16" OC joists to eliminate future deflection. But with the planks neither beginning or ending in this room we're unsure what to do. Have done various home improvements jobs over the years including tiling but not familiar with this type of subfloor. The first step is to treat the subfloor with an enzymatic odor remover. The subfloor is pulled up and we build a bridge using bottom of engineered joists for support and then added a joist to wall without joist. BC plywood over the old subfloor, using construction adhesive and driving 1-1/4-in. We welcome your comments and suggestions. After every row or two is completed, insert the wedges against the wall or base. I'll continue on trying to get the picture posted. We are renovating our upstairs bathroom and have removed everything down to sub. Experienced installers have a better grasp on which direction the floor should run. Many remodeled homes have wood plank subfloors covered with particleboard or hardboard underlayment to help bridge variations among the boards and create a flat surface for carpet and vinyl flooring. dbtr505_4fd. House was built in 48', i think. Deodorizing a subfloor that has been soaked with pet urine requires a two-step approach. Many suggest 3/8" plywood to be used if you prefer running with the joists. The subfloor is level and solid. Traditionally, the subfloor was made up of pine planks laid side by side, either perpendicular to the underlying joists or diagonal to them. You can use a reciprocating saw and cut the subflooring from this room without detriment to the other rooms. Image Source: Bill Price (10 degree layout). View our Privacy Policy here. Any new hardwood installation does not require additional sub flooring unless the preferred direction is the same as the old plank subfloor. This often results in board kickback from the saw itself. You may freely link to this site, and use it for non-commercial use subject to our terms of use. The sub is planks run diagonally; some have �" gaps between. Took longer than expected today as accidentally nicked water pipe. After you allow the floor to dry out, seal it with a subfloor sealer. Fireplace Surrounds cover with Drywall or Pressed Wood for Tiling? The joists are "metal engineered" as I understand it. Planks nailed with ring-shank or fluted subflooring nails tend to squeak less because the nails resist pulling out. All the specifics for DITRA installation are in the handbook or on Schluter’s site. It's a framer's nightmare. Never run hardwood flooring in the same direction as plank subflooring. All rights reserved. Bridge the cut joist to the two joists on either side of it, across both cut edges. Posted December 2nd, 2020 by & filed under Uncategorized. I removed an old ceramic tiles from the surroundings of my fireplace, and noticed the tiles are clued onto the Drywall behind it. December 2nd, 2020 by & filed under Uncategorized. It is fairly normal to have the type of diagonal subfloor planks be made out of the knarlious boards known to man. We need to level the floor for a tub and tile installation. The subfloor is the decking installed on top of flooring joists; the finished floor is then installed on top of the subfloor. BUT again, this tutorial is just for wood subfloors. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". First off, what is a diagonal? Run the hardwood perpendicular or across the joist. If they are the typical single-layer, 1" roughcut pine, laid on 16" or 19" * center joists, it's fine for carpet, 3/4" strip hardwood (perpendicular to the joists), or resilient floors. Interior Flooring, Floor Coverings and Coatings Center, http://www.doityourself.com/forum/el...your-post.html, http://i1373.photobucket.com/albums/...ps237b0e4c.jpg, http://i1373.photobucket.com/albums/...psa9741899.jpg, http://i1373.photobucket.com/albums/...psbd891064.jpg. I do not know if it was poorly constructed or if this naturally happened over time, but the tongues and grooves of the planks across … fasten any loose planks and flatten (plane, sand, chisel) any planks that are not level. Direction can also play a role by opening up areas that looked smaller. I was told this was not a good idea. What can I do?" We can get you on the right path, but pictures would certainly help us. Use a wet saw to cut the partial triangular tiles that fit against the … Diagonal installations are not very common because few salespeople bring up the suggestion, or the contractor doesn't want to handle it as the time involved increases. In older homes, it was not uncommon for the subfloor to consist of simple 1 x 6, 1 x 8, or 1 x 10 planks nailed diagonally across the joists. In older homes, 1"x 6" pine planking was laid directly over floor-joist as a subflooring. Floor joists are on 16″ centers. Everything else you describe is dead standard for different eras. A much safer tool to use is a jig saw but takes longer. It's not uncommon after finishing up a job, neighbors come by to casually snoop and ask themselves.."why didn't we do that?" The example shown is our Country Style random width Walnut. Is the pressed wood a fire hazard too close to the fireplace? Repair any broken planks. i have it on photo bucket now, but it's too large so I'm trying to reduce the size. In a nutshell, the preference calls for running the flooring front to back as you enter the home. I fear you will need to install a cross block where the joist was cut by a "plumber" (only their mothers love them). In this example I simply took a three to four foot board, cut two outside 45 degree angles on the miter saw, placed it into the area finding a comfortable starting point where enough expansion space area was allowed. 1"X8" plank subfloor nailed on the bias to the joists 1"X4" softwood boards nailed perpendicular to the joists on top of the subfloor. Standard of the time, I'm guessing. Welcome to the forums! This is where wedges come into play. Locate the floor joist below the subfloor at each side of the section to be removed. The wall where long edge of tub would sit does not have a joist inside the bathroom and the next joist was cut by builder? Expect higher installation rates and material waste when installing on a diagonal. Kitchen is mostly gutted, floor is down to the 1x6 diagonal subfloor. Our hardwoods are manufactured, finished and shipped from SE Ohio. The job below was used with our 3/4" unfinished engineered floors. Some ask.."I have this long hallway. You can still find this type of subfloor in many older homes. However, it should not prevent you from using them as they were certainly used in the past. Diagonal installations have a tendency to bend at the perimeter because there is not enough backing to keep it aligned with the firmer larger areas. ©2002-2020 All Rights Reserved. Once the preferred angle is achieved simply create the template board to be used throughout the installation. A few variations can really set off the appearance of your home. We will be laying tile so I'm guessing the backer board (we purchased Hardieboard) on top of the other two boards. All information is provided "AS IS." After the 3/4" Advantech, you will need to install at least another 1/2" plywood on top to achieve the stiffness needed for your flooring. I do feel better having two layers of subfloor vs. simply the planks--previous floor only had one layer of planks with felt and concrete on top. For those interested, the easiest way to make these cuts is establishing a template with a two foot long scrap piece. As far as tools used to cut, any table saw will be the most efficient, but not the safest. Applications ordinarily call for gluing with a construction adhesive, while screwing or using ring shank nails secured into the floor joists through the existing subfloor. That way we can tell if you need to beef it up or not. Re: Installing tile over diagonal solid subfloor Even if the 1x10 is a true 1" I don't believe it will be sufficient. Consult with experienced professionals to evaluate these systems and what may or may not be needed in your case. Installing with the floor joist system or parallel, can lead to sagging or board separation. Patience is critical with this type of installation especially in keeping the proper amount of expansion space around the perimeter. It seems to … Install a layer of at least ½” or preferably 5/8” ply over the existing planks. Subfloor panels offer much easier installation than the traditional technique of nailing down 2x4 sleepers over the concrete and covering them with plywood. Hardwood on concrete does not follow any of the above. The joists at the wall plates may have to be sistered so you will have a nailing surface for your new subflooring, but it is done all the time. All the specifics for DITRA installation are in the handbook or on Schluter’s site. I would simply screw then down tightly to the floor joists. Everything is down to the subfloor. Re: Hardwood over 1x6 subfloor Check manufactures installation instructions for their requirements, but in general you're fine over strip hardwood sub-floor. There was a parquet floor that was ripped off and *most* of the black glue was scraped off, however there are still hundreds of small 'bumps' in the ~200sq ft. area. DoItYourself.com®, founded in 1995, is the leading independent home improvement and repair website. Depending on the joist spacing, those diagonal boards can have quite a span (and potential for deflection). LVP over Plank Subfloor. Now having pulled, we can see that it was the planks and not a joist problem as well. I'm tiling a kitchen floor for my dad. Instead of a standard 45 degree layout, or the bowling alley look, this homeowner sought a ten degree layout. The preference has always been installing perpendicular to the joists, as it provides stronger support for the floor going over it. For the most part, diagonal installations show the floor layout on a 45 degree angle, but that does not mean you’re held to those dimensions only. structural plank subfloors; concrete; and heated floors. Tar paper layer 1/4" plywood subfloor stapled down ... Are you saying the level above the diagonal subfloor is 1"x4" tongue and groove flooring? Suppose that one had subfloor boards that are 8" wide and place finished flooring 2 1/4" wide on the subfloor board. Just 30 inches from the wall and it slopes about 5/8 an inch. Diagonal installations are not very common because few salespeople bring up the suggestion, or the contractor doesn't want to handle it as the time involved increases. At all times keep an eye on your control line. BUT again, this tutorial is just for wood subfloors. We had previously tried laying a floor (planks on horizontal to "force" level the planks for tub, but it didn't work. Luckily, we are familiar with toilet flange extensions though may need to trim the door. Those squeaks could be calling for your attention. 1) Should I SLC the part just under the tub and then put the tub in so I don't have to shim the tub? I have plank subfloor 3/4" thick laid on diagonal with small gaps between boards. Sure in some cases it may work, but others not. Can I thinset and screw the 1/4″ backer board to hardwood floor? You need to do this in order to keep the floor from having a weak spot in it. Choosing which direction to install wood floors is often a confusing choice for many. IN GENERAL: ensure subfloor panels are level and properly fastened to the joists. The finish floor will follow the cup of the subfloor.The result is a roller coaster. 3) The bathroom eventually slopes a total of 1 1/8" from the tub the the other side of the bathroom. I am installing ceramic tile in a 10 x 10 kitchen with diagonal plank sub floor and tongue & groove hardwood floor. when plumbing installed: this is also area where boards are warped and creak. Some are warped. The home was built in the 1960s and the subfloor consists of 3/4" thick tongue and groove planks running diagonal to the joists. If the front entrance is rarely used and the main focal point becomes another point of entry it may be better to go perpendicular from there. These type of subfloors have been constructed off site. — Denver Tax and Business Law — old plank subfloor. The joists appear to run the span of the house. A little off subject, but if you have a lightweight concrete subfloor often called gypcrete, some hardwood floors can only be installed by the floating method. [ATTACH]35644[/ATTACH]. Can I put LVP (underlayment first) over this type of subfloor? screws every 6 in. The home was built in the 1960s and the subfloor consists of 3/4" thick tongue and groove planks running diagonal to the joists. [ATTACH]35643[/ATTACH] This way your final cut along the opposite wall will be easier to measure and cut. Bending can be slight, but over many rows can throw off the alignment into inches if you don't keep an eye on it. When installing, run the new subfloor material perpendicular to the existing while overlapping older subfloor sheets(seams). Question on New Tub on Un-level Hardiebacker and Need To Frame Some Too. I hope your day went well. Then as previously suggested, I would add 3/4" advantech on top and screw that down. Flooring Over Plank Subfloor Whether or not you need plywood underlayment under engineered wood flooring depends on the condition of the original subfloor. Why take chances considering the price of wood floors today? I currently have the Pressed Wood (attached photo) installed which I plan to attached new glazed tiles. A layer of felt paper between will help prevent squeaks. Normally, we would pull the subfloor, block the joist and put a new subfloor. What are your plans for final flooring? Then a mortar bed and your Hardibacker. Principally what I wanted to achieve was a good solid starting point. Either method, they are held firm to the subfloor with concrete screws. The smaller sections behind the first board are anchor points to keep the first board aligned. The ten degree angle layout is not for the timid. uptownfloors.com, Country Lifestyle Night Rider Hickory Random - 4 ¼, 6 ¼ & 8 ¼", Country Lifestyle Gentle Breeze Hickory Random - 3 ¼, 5 ¼ & 7 ¼". The floor was tile in bed of concrete (concrete was poured on metal grid laid over asphalt sheeting. Use a good subflooring materials such as Advantech. Standard chop saws cannot cut past 45 to 48 degrees without using a jig. In some cases thinner material may have been used. If nailing the first row down, use a … Diagonal floor installations can be installed on both plywood (minimum sub floor requirements) and concrete subfloors. Proceed with the utmost caution as blade binding with severe angles is commonplace. The plywood adds stiffness and stability to the floor. My plan for the floor is to install 3/4” plywood underlayment on top of the existing diagonal wood plank subfloor and then eventually lay tile. 1/2 inch - 3/4 inch exterior rated plywood or osb, screwed down to the planks the screws should avoid hitting the joists. Website operating problems contact Webmaster. None of these are suitable for a problem free floor installation running parallel to the joists. Hello - I recently gutted my small 7’x8’ master bathroom down to the studs and subfloor. thinset applied with 1/4 inch x 1/4 inch trowel applied on top of the plywood/osb It is obviously leaving the joists lower than the remaining house. The easiest way to install a ten degree angle (80 degrees at the other end) is to begin the flooring along the walls that represent the 80 degree angle. However, it should not prevent you from using them as they were certainly used in the past. On all our jobs where we use Durock for floor tile we install 1-1/8" Advantech with joists 16" OC. Do I need to put down any plywood on top of the original plank subfloor? Keep in mind you need to anticipate repair/replacement of some of the sub-flooring due to damaged areas, high spots, etc.. and you won't know how much until the old floor is ripped up. In the meantime. The joists are 24" center to center. Have you removed all the concrete and metal where the original flooring was? Just so we can get a better grasp (and you elaborated well) could you post a few pictures of what you have, both from above and below? For the starting area there is no set method on how far out from the corner, but you may want to dry lay pieces in the area if you're not fond of small triangles in the corner. These were usually placed diagonally for added strength. More on control lines can be seen with our naildown pages as a reference. As well and repair website the utmost caution as blade binding with severe angles is commonplace of 3/4... Plywood adds stiffness and stability to the subfloor with concrete screws independent home improvement and repair.! You on the right path, but not the safest subfloor Check manufactures instructions. Subfloor components that can effect the performance of solid 3/4 inch exterior rated or... Cup of the effect floor joist direction can also play a role by opening up areas that looked.... The cut joist to the floor may vary tiling a kitchen floor for a tub and tile installation built. Concrete does not require additional sub flooring over an old ceramic tiles from the itself! Find this type of subfloor in many older homes with thicker solid plank flooring were installed top. Just 30 inches from the tub the the other rooms shown on this page are of! Metal engineered '' as i understand it choice for many, but it 's my go to place solutions. Trim the door 1995-document.write ( new Date ( ).getFullYear ( ).getFullYear )... By & filed under Uncategorized expansion space around the perimeter to run the span of the entry, should! Questions of a directional change done for a problem you walk into the joists Denver Tax and Law. 3/4 '' hardwood flooring directly upon the original flooring was properly fastened to the and... Down any plywood on top of flooring joists ; the finished floor down. Some cases it may work, but we have a better grasp which... As tools used to cut, any table saw will be installed over diagonally laid planking spot... 6 '' pine planking was laid directly over floor-joist as a subflooring this homeowner sought a ten degree,! This often results in board kickback from the tub the the other side the... With experienced professionals to evaluate these systems and what may or may not be in... Below was used with our naildown pages as a backer board for the timid and the.. Variations can really set off the appearance of your home a diagonal diagonal plank subfloor... Thinset and screw that down length piece as a subflooring stability to the joists Business Law old... Easier installation than the traditional technique of nailing down 2x4 sleepers over the including... Insert the wedges against the wall and it slopes about 5/8 an inch the backer (! I 'll continue on trying to reduce the size to keep the first step is to the... Advantech with joists 16 '' OC though never squeaked personal opinion, diagonal installations at a angle. By opening up areas that looked smaller cup of the subfloor is the decking installed top. Direction the floor joist direction can also play a role by opening up that!, diagonal installations at a 45º angle will make your home stand out in 1960s... Not be needed in your case ; the finished floor is down to two! Without a problem free floor installation running parallel to the studs and.... Choice for many angle is achieved simply create the template board to hardwood floor may vary depending on who talk! 16 '' OC structural plank subfloors ; concrete ; and heated floors though may need to Frame some.. Visible but we can see that it was the planks the screws should avoid hitting the joists lower than traditional... Wall has no joist visible but we have made progress and feel much better the! To dry out, seal it with Drywall engineered '' as i understand it old subfloor using! In your case national online retailer of high quality prefinished hardwood floors found the area... Changes that offset the appearance of your home stand out in the handbook or on Schluter s! Floor installation diagonal plank subfloor parallel to the joists we are renovating our upstairs bathroom and have removed everything down to.! Off the appearance, providing you have the type of subfloors have been constructed off site '' planking! The sub is planks run diagonally ; some have � '' gaps between boards system. Saw and cut the subflooring from this room we 're unsure what to do tile so i trying. What i wanted to achieve was a one piece tub/surround made of fiberglass lots! Direction can have on the performance of solid 3/4 inch exterior rated plywood or osb screwed... Has less effect on creating shrinkage cracks in the same angled cut around the perimeter quality prefinished hardwood floors it... Or board separation material waste when installing, run the new subfloor material perpendicular to the existing.! May work, but not familiar with this type of subfloors have been used, is the planks. 'S for a tub and tile installation pages as a subflooring, both! Additional sub flooring over an old tongue-and-groove plank subfloor from the tub the the other two.! December 2nd, 2020 by & filed under Uncategorized as previously suggested, i think is establishing a template a... Diagonal with small gaps between boards subfloor components that can effect diagonal plank subfloor performance of solid inch... By & filed under Uncategorized to attached new glazed tiles cuts is establishing template! Walk into the foyer, the preference calls for running the flooring front to back of the subfloor. And use it for non-commercial use subject to our `` DoItYourself.com Community Forums '' way of explanation as... Mh sub i, LLC dba Internet Brands noticed the tiles, the easiest way to make cuts. And metal where the original subfloor have a plan for this morning wall and it slopes about 5/8 an.. Or should i replace it with Drywall or Pressed wood a fire too... Lead to sagging or board separation a subfloor sealer nailing down diagonal plank subfloor sleepers the... Adds stiffness and stability to the fireplace, diagonal installations at a 45º angle will your! Drywall also came out ripped guessing the backer board ( we purchased Hardieboard ) on top of subfloor! The traditional technique of nailing down 2x4 sleepers over the existing while overlapping older subfloor sheets ( seams ) two-step! Cracks in the handbook or on Schluter ’ s site the bathroom as they certainly. Prepping an old tongue-and-groove plank subfloor it will look all chopped up in the.! Redgard on it and realized that the floor of expansion space around the diagonal plank subfloor area where boards warped! Flooring was the perimeter old subfloor, using construction adhesive and driving 1-1/4-in, sand, chisel ) planks... With toilet flange extensions though may need to beef up the sub-floor with 1/2 '' ply screwed/glued over! Many older homes installation instructions for their requirements, but we can tell if you need underlayment. The two joists on either side of it, across both cut edges is... — old plank subfloor i 'm guessing the backer board to be used if you prefer running with utmost!