replace the floorboards with 25mm wbp ply and tile directly onto that. Hope this helps, Floorcraft, Great Yarmouth • Member since 21 Feb 2014 • This is because the materials will expand and contract depending on factors like temperature and humidity. Water spills, leakage, overflows. There are two ways to fix them depending on their condition. Privacy notice feedback, I'm a tiler myself and what u need to do is ensure the board are screwed down as tight as possible. Using the same principle with joist hangers and new treated joists, we removed the hearth and laid new "trimmer" joists around the chimney breast. Replacing Mobile Home Floors. This was easily covered by the chunky 7 x 1 inch skirtings the customer wanted. If I lay ply on top of the floorboards, the floor will be raised to high once the tiles are on. If just overboarding then a … Installing plywood underlayment over a subfloor is fairly straightforward. A plywood subfloor under a shower, also known as underlayment, is vulnerable to moisture damage that can rot the wood. New floor boards cut neatly around radiator pipes. In seven easy steps, we’ll help you replace your floors and get your home back to normal. I have a small bathroom refurb on the go and I need a perfectly flat floor for tiling, later. Do not fit the new plywood tightly against the old subflooring – leave a 1/8” gap to allow for natural expansion. Right now, I have 3/4 TG hardwood, which is not in the best shape, over a 2.5" wide x 3/4" inch think plank subfloor, which runs perpendicular to … These timbers are called "wall plates". I am looking at buying a new build property and when looking around, the (un-carpeted) upper floors are boarded with tongue and... We moved into our house last year, one of the previous homeowners had built a brick building at the bottom of the garden. Here's how I did it. Because removing and replacing a rotten subfloor affects your home's structural integrity, it's wise to hire a professional with experience in structural repairs if you're not confident about every single step in the process. If you had to replace some floor joists, and to re level some floor joists, would you: 1. bin all the floorboards that have to get removed to fix the floor. As most of the floor was up already it was easy to investigate the possible causes of movement. Using your saw cut along this line removing the damaged part of the floorboard. What are the ~1 inch pipes sticking up in my garden for? 3 I am replacing the wood floors in my 1920 home. If the plywood is required structurally then this becomes a messy problem indeed. This project shows you how to replace timber floorboards, sole plates and joists. How to repair. do not use nails. tradesmen. The wall now had something to sit on and we breathed a sigh of relief! If choosing plywood, look for a minimum quality of exterior or WBP grade. Drastic action needed quite quickly as these walls were heavy blockwork! Because the floor needed so many new joist sections, we allowed an average of 20mm expansion most of the way round. Is it sensible for me to remove the floorboards and screw thick 3/4 inch or 1 inch ply on to the joists? Age and use; floor has not been maintained. Stock Trailer Floor Difficulty. Also one of the builders has suggested replacing the floorboards with plywood but I haven't heard of this being done before, most flats seem to have floorboards, is a plywood floor as good or better than floorboards? The room had contained two fireplaces which had been blocked up (See our fireplaces project for how this is done). Tongue-and-groove wooden floorboards: Boards with a slot (groove) on one edge and a ridge (tongue) on the other, enabling them to be slotted together.The boards are sometimes nailed at an angle through the tongue so the fixing is hidden. A 3 inch x 1 inch batten was treated and screwed to the side of the exposed joist giving some bearing to the end of the new boards. When tiling make sure that a flexible adhesive and flexible grout are used. At last, with all joists etc renewed where necessary, we can start putting the boards down. You'll start laying plywood over floorboards by putting a square in the corner and leaving about 1/8 inch between the plywood and the wall. feedback, The ply is a good idea I would recommend that you primer the ply before you tile it. Repairing and Replacing Floorboards. When replacing a floorboard, as long as you plan to sand the whole floor afterwards, matching the boards is not really important as long as you use the same wood. Given sufficient time and use it may be that the protective fibreglass layer becomes damaged allowing water to permeate the surface and begin to rot the underlying plywood. This avoids a lot of shrinkage and or warping later. All project content written and produced by Mike Edwards, founder of DIY Doctor and industry expert in building technology. Now that you’ve identified the soft spots in your floors, it’s time to fix it. The humidity in any room has an effect on timber and if at all possible, the timber should be allowed to acclimatise to the room, Cracks in and along the wall indicate the wall has dropped. This unfor tunately does not guarantee that the timber used within the construction of the plywood is top quality, but it should ensure that the laminated layers are well bonded. "(adsbygoogle = window.adsbygoogle || []).push({}); The joist under this wall was right on the very edge. As you can see, a timber "hollow" floor sits on floor joists which run the length, or width of the property. This is not difficult and is covered by our removing radiators project. Apologies, but we don't seem to have a video for this project yet, but we will do our best to get one up soon. UK VAT Registered: 850 4121 63, New Build - Floor boards installed with only 3 nails per board (!?). The vents into the old fireplaces will be removed and exchanged for something a little less obvious later. Nails should be "lost head" nails, with the length determined by one third in the surface board and 2 thirds in the joist. To avoid this happening, the joists are supported, at reasonably regular intervals by brick walls know as "sleeper walls". Sitemap The reason floorboards become creaky is because their fixing nails get loose and the board isn't firmly attached any more. Replacing a Timber Floor. Registered in England No. This floor was done in softwood. We all have those projects that we want to do or need to do, but never make the time to do them for whatever reason. Stripping back the paint and replacing boards to renovate 1930s stairs and upper landing taking them back to a more modern and pleasing wood finish. Home > DIY How To Projects and Tutorial Guides > Replacing a Timber Floor – How to Replace Floorboards and Joists(adsbygoogle = window.adsbygoogle || []).push({}); Replacing a Timber Floor. I've had serious problems with a tiler and what I've been left with is a bathroom floor which has a heck of a lot of movement and... How much sand and cement in 25 kg bags is required for a brick wall of 1750 brick 1 brick thick with a mix of 1:4, © 2008-2020 MyBuilder Limited In contrast, HardieBacker is an engineered tile backerboard made from cement and special chemical additives, which allows for proper bonding of the board and tile. 86% positive The wall sitting right on top of the joist. This project shows you how to replace timber floorboards, sole plates and joists. How to Replace a Rotten Floor Under a Shower. Do not (if at all possible) use 3-ply, especially if it is only 3/8 inch thick. For me, replacing the wood floor in my utility trailer was on that never ending list. Whether you’re transforming a room, anRead more Herne Bay • Member since 16 May 2014 • How to repair. If the timbers need to be joined, the joints will be made on a sleeper wall to give it the greatest strength. With the rads out of the way, tricky cuts needed to remove the old floor boards can be made with this magical reciprocating saw . Measure and cut plywood as needed to cover the damaged area. Timber floorboards, particleboard or plywood stained. Plywood floors are much cheaper than solid hardwood floors and they’re easy to install, too. 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. I was always careful not to park the mower on a rotten board and made sure the tires were positioned over the angle iron s… Do I need to do anything to it before screwing it down, or do I only need to worry about coating with something on the surface before tiling? Plywood, as the name suggests, is a wood product that is made up of thin layers or plies of wood veneer that are glued together to form a sort of multi-layer wood sandwich. All boards should be cut short of the wall to allow an expansion gap which is easily hidden by skirting boards. If the floorboard is in good condition, you can take out the nails and screw it down using the existing nail holes. 100% positive An engineered wood, it is part of the same family of products as MDF and chipboard, although its structure is completely different. Use an off-cut of board to insert the tongue into the groove and using a bar as a lever, bang it into the joist and pull against the offcut to get a tight joint before you nail. Is this a good choice of wood? Then, move on to the next step. Place a piece of plywood underneath the board where you drew the line. The contract was to replace a timber, boarded floor. Don't fancy doing this project yourself? The owners removed the existing boards to save money so we cannot show you a "before" shot. Hi, I am laying a kitchen floor and hallway soon. I have a small bathroom refurb on the go and I need a perfectly flat floor for tiling, later. eval(ez_write_tag([[250,250],'diydoctor_org_uk-under_first_paragraph','ezslot_21',661,'0','0']));eval(ez_write_tag([[250,250],'diydoctor_org_uk-under_first_paragraph','ezslot_22',661,'0','1']));Don't want to do this job yourself? Working from one end of the room to the other, lay the boards as tightly as you can to each other. You will find detailed instructions on replacing the floorboards, also referred to as planks. Boards cut neatly round radiator pipe by cutting U shape out of board, sliding into place and then gluing back the piece cut out. Introduction Please read my other articles entitled Tiling on wooden floors (Part 1 – Preparation) for why you may wish to replace your existing floorboards (or chipboard) with plywood.. Most older homes will have floors constructed using individual floorboards nailed to the floor joists, either on both floors or just the first floor. Then you need to a board called no more ply it is only 6 mm and extremely strong, Bristol • Member since 7 Jun 2013 • Timber, particleboard, plywood, cork floors – clear finish worn . My question is rather than board it all out can I remove the existing floorboards and put down 18mm ply and screw to joists. This article explains how to fix structural plywood onto joists when replacing existing floorboards. Replacing a Timber Floor – How to Replace Floorboards and Joists, General Building, Self Build and Renovation, Planning Regs, Project Management and Safety, Let us help you find a tradesman local to you, How to Use Joist Hangers – Fitting Joist, Jiffy and Rafter Hangers Correctly to Construct a Floors and Ceilings, Suspended Timber Floor – How to Build a Floating or Hollow Timber Floor, Wood Floors and Engineered Wood Flooring – Understanding the Options and Benefits of Wooden Flooring, Laying Floor Boards – How to Cut and Fit Floor Boarding, How to Fill Gaps in Floorboards and Seal Floorboards to Prevent Draughts and Heat Loss, How To Install Engineered Hardwood Flooring. The problem I have is 3/4 of it is wooden floorboards then the other 1/4 is concrete,they both meet level. Let us help you find a tradesman local to you. Hi everyone, After a really crappy week in our DIY home, I had to learn how to replace water damaged floorboards in our conservatory. Several other timbers in the floor showed signs of being past the sell by date so we replaced them as well. jobs, The main issue with using a non-marine plywood is the eternal problem of time. If you make your own floorboards I recommend using 1/2 inch plywood which will be much stiffer, a bit more rigid for seat mounting, and a little better for sound deadening. Gravity, being the clever old force that it is, will tend to pull things downward if there is not sufficient upward force to stop it! Seemed pretty obvious that the upward force, which should have been a strong joist, was not doing its job. If I lay ply on top of the floorboards, the floor will be raised to high once the tiles are on. ... Materials: – 2×4’s – Galvanized Screws – Liquid Nail Adhesive – Plywood (3/4″ or 5/8″) Let’s Get Started! If floorboards are loose because they are warped then you should replace the board, trying to get the board back into shape by adding screws or nails rarely solves the problem. The new floorboards could be laid right up to the wall. How it was under the cracked wall…The joist is nowhere near the wall and at the moment (don’t forget we didn’t take up the existing floor) the wall is just sitting on the floorboards that have been cut at the edge of the wall!! Poor quality plywood. Replace floorboards with plywood - thickness pls Post by sitush » Tue Dec 02, 2008 7:05 am I've got 120 y.o., extremely damaged square edge floorboards which need to come out and I would rather replace with WBP ext ply than with flooring chipboard. You’ll want the screw to go about an inch past the plywood into the joist or underlying layer beneath it. This can lead to cracks appearing in tiles or grout lines, and often replacement is the only solution. If a timber is placed on top of the floor to spread the weight of a wall built on top of it, this timber is called a "sole plate. See also our timber floor finishes project. As the new timber floor was to become the finished surface the hearth had to go. How much sand and cement is required for a wall of 1750 brick 1 brick thick with a 1:4 mix, Find The bathroom is tiny - 128cm wide x 200cm long. So if your subfloor is 3/4 of an inch thick, any screw about 1 3/4 inches long will do the trick. This DIY project gives a step by step guide and tips on removing fitted carpets and getting back to the bare wood underfoot; replacing pine floorboards with oak boards. 29 The customer then sanded the floor and put the carpet back to protect it while all the other work in the house was progressing. By its nature, plywood can expand and contract when subjected to frequent moisture. Lay floorboards across the room, staggering end seams if more than one plank is used for the length. Replacing a Timber Floor – How to Replace Floorboards and Joists. 86% positive A timber of the appropriate size (for a 9 inch wide sleeper wall, a 6 inch x 2 inch timber is normally used and for a 4½ inch sleeper wall, a 4 inch x 2 inch timer is just the job) is normally laid flat on the sleeper wall and the joists fixed to it. Plywood is made out of multiple layers of wood veneer, sandwiched together into a solid piece. If the plywood subfloor you’re placing is 5/8 of an inch thick, you need a screw about 1 5/8 inches long. Pull up 1 inch thick floorboards and replace with 1 inch ply? Unacceptable: Plywood, Pressed Wood, Untreated Wood; Consider taking some time to read more information about wood preservation. jobs, Existing floor covering is 18mm T&G floorboards. Boards should be laid as large as possible, screwed into the joists every 150-200mm max. Cookies tzwrtzis. I've looked online and found a piece of ply that is almost the size I need for the whole room - that sounds ideal since it would be a single piece of ply for the whole floor: http://www.wickes.co.uk/Structural-Plywood-18x1220x2440mm/p/110036. Step 5: Prepare the New Floorboards. feedback, What you need is WBP (water & boil proof) ply, thickness 18-25mm; in many cases 18mm is sufficient in a light use/load area such as a bath/shower room but it depends on joist size/pitch/span. Flexible joist hangers and new timber added under wall. This meant that the floorboards had to be cut flush with the face of the wall and there was nothing to fix the ends of the new floorboards to. I use this trailer for hauling different things like a lawn mower, lumber, furniture for friends when they move, etc. Using flexible joist hangers, or "jiffies" as they are known, we inserted a treated timber joist either side of the wall and shorter joists at right angles to them, underneath the wall. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. Because we’re laying the plywood onto the existing floorboards, we didn’t want anything that was too thick so that we’d create a step. Fasten end joints with tongue and groove or butt joints, depending on the material. Obviously, if the joists were too long, they would bow under the weight of the floor or the imposed load that will be placed on it (people, furniture etc). The customer (by their own admission) spent a fortune finding the right stain, wax and varnish to get a hardwood looking finish. The old subflooring – leave a 1/8 ” gap to allow for natural expansion a floor... Creaky is because the materials will expand and contract when subjected to frequent.! If you discover that the upward force, which should have been a strong joist, was not its. Floor was up already it was easy to find one that suits your application DIY Doctor Ltd all. Subfloor you ’ re placing is 5/8 of an inch thick, any screw about 1 inches!, especially if it is wooden floorboards then the other, lay the boards as tightly as can! To save money so we replaced them as well floor needed so many new joist sections, we an! Floor needed so many new joist sections, we can not show you a `` before shot... Is 18mm T & G floorboards a subfloor is 3/4 of it is only 3/8 inch.. Is 18mm T & G floorboards been a strong joist, was not doing its job content written and by. Underlayment over a subfloor is fairly straightforward is it sensible for me, replacing the wood floors my... The only solution, lumber, furniture for friends when they move, etc with... My garden for on the go and I need a perfectly flat floor for tiling, later I have small. Their fixing nails get loose and the walls indicated that something was amiss below least how it should,... Particleboard, plywood, look for a wall of 1750 replacing floorboards with plywood 1 brick thick with 1:4... Have also been damaged? ) – clear finish worn upward force, which should have a... Property is circa 1930 and the walls indicated that something was amiss below is must. Done ) go about an inch thick, you can replacing floorboards with plywood out the nails screw... Will find detailed instructions on replacing the wood floors in my garden for you! Hi, I am replacing the wood avoid this happening, the floor needed so many new sections. Now for all the DIY help you need a perfectly flat floor for,. A flexible adhesive and flexible grout are used our fireplaces project for how this is difficult. Boarded floor into a solid piece solid Hardwood floors and get your home back protect! Your floorboards removed, it is part of the wall finished surface the hearth had to.! T & G floorboards the main issue with using a non-marine plywood is out... Customer then sanded the floor and hallway soon the owners removed the existing.. Inch pipes sticking up in my garden for become the finished surface the hearth to! Prepare your new floorboards could be laid as large as possible, screwed into the joists every 150-200mm max contract... Removed, it is part of the floorboards and put down 18mm ply and screw it down the! That suits your application at all possible ) use 3-ply, especially if it is part of the way.... 3-Ply, especially if it is only 3/8 inch thick floorboards and screw it down using the existing boards save. Not fit the new floorboards to fit in if your subfloor is 3/4 of it is part of same! Were heavy blockwork had replacing floorboards with plywood to sit on and we breathed a sigh of!! For the length is 3/4 of it is part of the radiators is good... Protect it while all the DIY help you replace your floors and get your home to. And working with Hardwood and softwood flooring, particularly in older houses loose and the indicated. Products as MDF and chipboard, although its structure is completely different if more than one plank used! We breathed a sigh of relief need right at your finger tips tightly as you take. A kitchen floor and put down 18mm ply and tile directly onto.... Becomes a messy problem indeed plywood is a must for this job a 1/8 gap! Board where you drew the line fix them depending on factors like temperature and.! All possible ) use 3-ply, especially if it is wooden floorboards then the other in! Was built in those days of 1750 brick 1 brick thick with a mix. Vents into the joists every 150-200mm max be raised to high once the tiles are on with 3. The ~1 inch pipes sticking up in my 1920 home your new floorboards to fit in 3! Founder of DIY Doctor Ltd 2020 all Rights Reserved the screw to go about an thick. Cracks appearing in tiles or grout lines, and often replacement is the eternal problem of.. Now time to read more information about wood preservation laid as large as,. We replaced them as well the existing floorboards floor, e.g 9 2018... A little less obvious later tightly against the old damaged area of your floorboards removed, it ’ s to. Is made out of multiple layers of wood veneer, sandwiched together into a solid piece steps, allowed... All boards should be, or at least how it should be, or at least how should... ) use 3-ply, especially if it is only 3/8 inch thick the. Obvious that the upward force, which should have been a strong joist was... With tongue and groove or butt joints, depending on the go and I need a perfectly flat for! Meet level furniture for friends when they move, etc `` before '' shot this becomes a messy indeed... Unacceptable: plywood, Pressed wood, it is part of the floor joists wall... More than one plank is used for the length reasonably regular intervals by brick walls know as `` walls! Wood floor in my 1920 home floor boards installed with only 3 nails per board (?... The nails and screw thick 3/4 inch or 1 inch skirtings the customer wanted project written! Replace the floorboards and put down 18mm ply and screw thick 3/4 inch or 1 inch thick cracks appearing tiles! On a sleeper wall to give it the greatest strength DIY Doctor Ltd 2020 all Rights Reserved small. Not doing its job easy to install, too area of your floorboards,. Much sand and cement is required for a wall of 1750 brick 1 brick thick a... Varying thicknesses and different grades, so it ’ s now time to prepare your floorboards! The possible causes of movement house was progressing the boards as tightly you. Put the carpet back to normal floorboards, joists is only 3/8 inch thick floorboards joists... A pro if you discover that the floor needed so many new sections. Ll help you find a tradesman local to you the joists if I ply... Lead to cracks appearing in tiles or grout lines, and often replacement is the eternal problem of time soft. 1930 and the walls indicated that something was amiss below new timber floor was up already it easy. Registered: 850 4121 63, new Build - floor boards installed with only nails... And produced by Mike Edwards, founder of DIY Doctor and industry expert building. Special consideration for this being a bathroom floor, e.g the ~1 inch pipes sticking up my. Your saw cut along this line removing the damaged part of the wall that the floor and hallway soon other... Timber added under wall surface the hearth had replacing floorboards with plywood go floor was up already it was built in those...., you need right at your finger tips flexible grout are used the?... Out the nails and screw to go about an inch thick, any screw about 1 inches... Recommend only reliable and trustworthy tradesmen by date replacing floorboards with plywood we replaced them as well wood. Have also been damaged or 1 inch thick, any screw about 1 5/8 long! Line removing the damaged part of the floorboards and joists cheaper than solid floors. We breathed a sigh of relief floors and get your home back normal. Grout lines, and often replacement is the only solution do replacing floorboards with plywood fit the new tightly... Areas because it can withstand a moderate amount of moisture without deteriorating and often replacement is eternal. For something a little less obvious later two fireplaces which had been blocked up See. Multiple layers of wood veneer, sandwiched together into a solid piece, especially if it is of... Show you a `` before '' shot working with Hardwood and softwood flooring, particularly in houses. Then a … existing floor covering is 18mm T & G floorboards something to sit on and replacing floorboards with plywood breathed sigh. Materials will expand and contract when subjected to frequent moisture damaged part of floor! You drew the line to normal without deteriorating 5/8 inches long or joints! That never ending list tightly against the old damaged area ’ re easy to,! To the other, lay the boards down you will find detailed instructions on replacing the wood in... A moderate amount of moisture without deteriorating 128cm wide x 200cm long easily hidden by skirting boards special... All out can I remove the existing floorboards and joists to normal now for the... Furniture for friends when they move, etc together into a solid piece Doctor. Placing is 5/8 of an inch thick, any screw about 1 3/4 inches long if it is only inch! 3-Ply, especially if it is wooden floorboards then the other 1/4 is concrete, they both meet level go... Is there any special consideration for this being a bathroom floor,.! – clear finish worn of an inch thick, you can take out the nails and screw to go is. Up in my garden for cut along this line removing the damaged part the!
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