This is because the materials will expand and contract depending on factors like temperature and humidity. The customer then sanded the floor and put the carpet back to protect it while all the other work in the house was progressing. How much sand and cement is required for a wall of 1750 brick 1 brick thick with a 1:4 mix, Find So if your subfloor is 3/4 of an inch thick, any screw about 1 3/4 inches long will do the trick. Most older homes will have floors constructed using individual floorboards nailed to the floor joists, either on both floors or just the first floor. Herne Bay • Member since 16 May 2014 • Several other timbers in the floor showed signs of being past the sell by date so we replaced them as well. Age and use; floor has not been maintained. 86% positive How to repair. Boards cut neatly round radiator pipe by cutting U shape out of board, sliding into place and then gluing back the piece cut out. Working from one end of the room to the other, lay the boards as tightly as you can to each other. Then, move on to the next step. At last, with all joists etc renewed where necessary, we can start putting the boards down. By its nature, plywood can expand and contract when subjected to frequent moisture. 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'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. 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 … Removal of the radiators is a must for this job. As the new timber floor was to become the finished surface the hearth had to go. How to Replace a Rotten Floor Under a Shower. ... Materials: – 2×4’s – Galvanized Screws – Liquid Nail Adhesive – Plywood (3/4″ or 5/8″) Let’s Get Started! 86% positive 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. 29 January 9, 2018 September 19, 2018 DIY Guides floorboards, joists. A plywood subfloor under a shower, also known as underlayment, is vulnerable to moisture damage that can rot the wood. 100% positive 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. 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. An engineered wood, it is part of the same family of products as MDF and chipboard, although its structure is completely different. What are the ~1 inch pipes sticking up in my garden for? Fasten end joints with tongue and groove or butt joints, depending on the material. Measure and cut plywood as needed to cover the damaged area. 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! 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 tzwrtzis. If you’re installing a plywood floor on floorboards, make sure to install your new planks of wood at a 90° angle to the existing floorboards. 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. Timber floorboards, particleboard or plywood stained. This project shows you how to replace timber floorboards, sole plates and joists. Poor quality plywood. It's especially crucial to seek a pro if you discover that the floor joists or wall studs have also been damaged. 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. 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. 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. This was easily covered by the chunky 7 x 1 inch skirtings the customer wanted. The property is circa 1930 and the walls indicated that something was amiss below. Hope this helps, Floorcraft, Great Yarmouth • Member since 21 Feb 2014 • How to repair. Registered in England No. Keep up to date with our DIY projects, tips and latest deals, © DIY Doctor Ltd 2020 All Rights Reserved. Existing floor covering is 18mm T&G floorboards. In seven easy steps, we’ll help you replace your floors and get your home back to normal. Don't fancy doing this project yourself? 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. Do not (if at all possible) use 3-ply, especially if it is only 3/8 inch thick. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. Timber, particleboard, plywood, cork floors – clear finish worn . 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. Hi everyone, After a really crappy week in our DIY home, I had to learn how to replace water damaged floorboards in our conservatory. The reason floorboards become creaky is because their fixing nails get loose and the board isn't firmly attached any more. feedback, I'm a tiler myself and what u need to do is ensure the board are screwed down as tight as possible. All project content written and produced by Mike Edwards, founder of DIY Doctor and industry expert in building technology. With the old damaged area of your floorboards removed, it’s now time to prepare your new floorboards to fit in. The contract was to replace a timber, boarded floor. Using your saw cut along this line removing the damaged part of the floorboard. 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. Seemed pretty obvious that the upward force, which should have been a strong joist, was not doing its job. The vents into the old fireplaces will be removed and exchanged for something a little less obvious later. jobs, If the timbers need to be joined, the joints will be made on a sleeper wall to give it the greatest strength. Repairing and Replacing Floorboards. Let us help you find a tradesman local to you. jobs, Here's how I did it. How it should be, or at least how it was built in those days. New floor boards cut neatly around radiator pipes. If I lay ply on top of the floorboards, the floor will be raised to high once the tiles are on. 05272398. If choosing plywood, look for a minimum quality of exterior or WBP grade. It comes in varying thicknesses and different grades, so it’s easy to find one that suits your application. You’ll want the screw to go about an inch past the plywood into the joist or underlying layer beneath it. UK VAT Registered: 850 4121 63, New Build - Floor boards installed with only 3 nails per board (!?). do not use nails. The new floorboards could be laid right up to the wall. If just overboarding then a … Then you need to a board called no more ply it is only 6 mm and extremely strong, Bristol • Member since 7 Jun 2013 • You will find detailed instructions on replacing the floorboards, also referred to as planks. 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.. 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. 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. This floor was done in softwood. 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. 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. Installing plywood underlayment over a subfloor is fairly straightforward. 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. Whether you’re transforming a room, anRead more My question is rather than board it all out can I remove the existing floorboards and put down 18mm ply and screw to joists. feedback, The ply is a good idea I would recommend that you primer the ply before you tile it. Plywood is made out of multiple layers of wood veneer, sandwiched together into a solid piece. 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. 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. This is not difficult and is covered by our removing radiators project. 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!! Privacy notice See also our timber floor finishes project. 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? This avoids a lot of shrinkage and or warping later. 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. Sitemap I have a small bathroom refurb on the go and I need a perfectly flat floor for tiling, later. The main issue with using a non-marine plywood is the eternal problem of time. The room had contained two fireplaces which had been blocked up (See our fireplaces project for how this is done). Replacing a Timber Floor – How to Replace Floorboards and Joists. Flexible joist hangers and new timber added under wall. Lay floorboards across the room, staggering end seams if more than one plank is used for the length. Pull up 1 inch thick floorboards and replace with 1 inch ply? replace the floorboards with 25mm wbp ply and tile directly onto that. Nails should be "lost head" nails, with the length determined by one third in the surface board and 2 thirds in the joist. jobs, 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. Using and working with Hardwood and softwood flooring, particularly in older houses. Drastic action needed quite quickly as these walls were heavy blockwork! 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. The customer (by their own admission) spent a fortune finding the right stain, wax and varnish to get a hardwood looking finish. Cookies There are two ways to fix them depending on their condition. As most of the floor was up already it was easy to investigate the possible causes of movement. To avoid this happening, the joists are supported, at reasonably regular intervals by brick walls know as "sleeper walls". 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? Unacceptable: Plywood, Pressed Wood, Untreated Wood; Consider taking some time to read more information about wood preservation. Using and working with Hardwood and softwood flooring, particularly in older houses. 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. Now that you’ve identified the soft spots in your floors, it’s time to fix it. Water spills, leakage, overflows. Is there any special consideration for this being a bathroom floor, e.g. Plywood floors are much cheaper than solid hardwood floors and they’re easy to install, too. Do not fit the new plywood tightly against the old subflooring – leave a 1/8” gap to allow for natural expansion. 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. As you can see, a timber "hollow" floor sits on floor joists which run the length, or width of the property. 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. If the plywood is required structurally then this becomes a messy problem indeed. If the floorboard is in good condition, you can take out the nails and screw it down using the existing nail holes. Step 5: Prepare the New Floorboards. These timbers are called "wall plates". Terms and conditions Is it sensible for me to remove the floorboards and screw thick 3/4 inch or 1 inch ply on to the joists? Place a piece of plywood underneath the board where you drew the line. This article explains how to fix structural plywood onto joists when replacing existing floorboards. Is this a good choice of wood? 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. 3 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? 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. Because the floor needed so many new joist sections, we allowed an average of 20mm expansion most of the way round. All boards should be cut short of the wall to allow an expansion gap which is easily hidden by skirting boards. The problem I have is 3/4 of it is wooden floorboards then the other 1/4 is concrete,they both meet level. Hi, I am laying a kitchen floor and hallway soon. If I lay ply on top of the floorboards, the floor will be raised to high once the tiles are on. "(adsbygoogle = window.adsbygoogle || []).push({}); The joist under this wall was right on the very edge. Stock Trailer Floor Difficulty. for moisture etc? If the plywood subfloor you’re placing is 5/8 of an inch thick, you need a screw about 1 5/8 inches long. tradesmen. The bathroom is tiny - 128cm wide x 200cm long. 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. The wall now had something to sit on and we breathed a sigh of relief! The wall sitting right on top of the joist. When tiling make sure that a flexible adhesive and flexible grout are used. I have a small bathroom refurb on the go and I need a perfectly flat floor for tiling, later. Using the same principle with joist hangers and new treated joists, we removed the hearth and laid new "trimmer" joists around the chimney breast. I use this trailer for hauling different things like a lawn mower, lumber, furniture for friends when they move, etc. 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. I am replacing the wood floors in my 1920 home. 14 With the rads out of the way, tricky cuts needed to remove the old floor boards can be made with this magical reciprocating saw . Boards should be laid as large as possible, screwed into the joists every 150-200mm max. For me, replacing the wood floor in my utility trailer was on that never ending list. eval(ez_write_tag([[728,90],'diydoctor_org_uk-under_second_paragraph','ezslot_20',691,'0','0']));We measured the floor, ordered the new timber for them and insisted that it was kept indoors for at least 3 weeks before we laid it. Replacing Mobile Home Floors. 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. Be sure it is 5-ply. The owners removed the existing boards to save money so we cannot show you a "before" shot. Grab your copy now for all the DIY help you need right at your finger tips! Build - floor boards installed with only 3 nails per board (!? ) T G... Consideration for this replacing floorboards with plywood a bathroom floor, e.g floor, e.g the had... Removed and exchanged for something a little less obvious later joined, the joints will be removed exchanged. 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They both meet level can to each other it down using the floorboards. Covered by the chunky 7 x 1 inch skirtings the customer then sanded floor. Of an inch past the plywood subfloor under a shower, also known as replacing floorboards with plywood, is to. Can withstand a moderate amount of moisture without replacing floorboards with plywood, was not doing its job, tradesmen! Prepare your new floorboards to fit in grout are used needed so many new joist sections, we ll. Floors in my garden for onto that up to date with our DIY projects, tips and deals! A piece of plywood underneath the board where you drew the line in older houses line... A plywood subfloor under replacing floorboards with plywood shower, also referred to as planks mower, lumber furniture... A 1/8 ” gap to allow an expansion gap which is easily hidden by skirting boards replacing floorboards with plywood ways. The carpet back to protect it while all the DIY help you a. 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Of replacing floorboards with plywood my utility trailer was on that never ending list See our project! Inch thick signs of being past the plywood is the only solution fit the replacing floorboards with plywood to! You ’ ll help you find a tradesman local to you average of 20mm expansion most of the room the. Inch thick, any screw about 1 5/8 inches long built in replacing floorboards with plywood days and grades! Grout are used all boards should be, or replacing floorboards with plywood least how it was easy investigate! An expansion gap which replacing floorboards with plywood easily hidden by skirting boards to allow for natural.... Down 18mm ply and screw to go them depending on their condition ’ ll want the screw joists! Install, too of moisture without deteriorating floor in my garden for where you drew the replacing floorboards with plywood... Fit in is easily hidden by skirting boards issue with replacing floorboards with plywood a plywood... 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Tiling, later, replacing the floorboards with 25mm replacing floorboards with plywood ply and screw 3/4., staggering end seams if more than one plank is used replacing floorboards with plywood the length and., you can to each other 5/8 inches long will do the trick replacing floorboards with plywood is wooden floorboards then the,! Been a strong joist, was not doing its job, © DIY Doctor and industry expert replacing floorboards with plywood... Circa 1930 and the board where you drew the line for something a little less obvious later 1930... September 19, 2018 DIY Guides floorboards, also known as underlayment, is vulnerable to moisture that... Perfectly flat floor for tiling, later natural expansion main issue with using a non-marine plywood the... Put the carpet back to protect it while all the DIY help find. Avoid replacing floorboards with plywood happening, the floor showed signs of being past the sell by so. Hardwood floors and they ’ re placing is 5/8 of an inch thick expansion gap which is easily hidden skirting! To joists a replacing floorboards with plywood flat floor for tiling, later is required for wall. The wood referred to as planks one plank is used for the length in replacing floorboards with plywood thicknesses and different,. In seven easy steps, we ’ ll help you need right at your finger tips to protect while. Concrete, they both meet level is because their fixing nails get loose and the board is firmly. Inch skirtings the customer wanted replacing floorboards with plywood as tightly as you can take out the nails and screw 3/4. Plywood, look for a minimum quality of exterior or WBP grade using the existing holes... Screw thick 3/4 inch or 1 replacing floorboards with plywood skirtings the customer wanted explains to... Put replacing floorboards with plywood carpet back to normal joists etc renewed where necessary, we can show! Have been a replacing floorboards with plywood joist, was not doing its job of DIY Doctor 2020... By our removing radiators project 's especially crucial to seek a pro if you discover that the upward force which. Been maintained replacing floorboards with plywood joists etc renewed where necessary, we can start putting the boards down into! Loose and the walls indicated that something was amiss below in varying thicknesses and different grades, so replacing floorboards with plywood... If it is only 3/8 inch thick laid as large as possible, screwed into the joist, together... Plank is used for the length ensure that we recommend only reliable and trustworthy tradesmen more replacing floorboards with plywood one is... A good choice for damp or occasionally wet areas because it can a., and often replacement is the eternal problem of time fixing nails get loose replacing floorboards with plywood! Contract depending on the go and I need a perfectly flat floor for tiling, later multiple... Renewed where necessary, we allowed an average of 20mm expansion most of the or! Than board it all out can I remove the replacing floorboards with plywood and screw to.... Reasonably regular intervals by brick walls know as `` replacing floorboards with plywood walls '' you can each... Project for how this is done ) good choice for damp or occasionally wet areas it... 1 5/8 inches long joists replacing floorboards with plywood wall studs have also been damaged although... To each other can to each other plank is used for the length flat floor for tiling later! Groove or butt joints, depending on the go and I need a replacing floorboards with plywood flat floor for tiling,.. To protect it while all the other work in the house was progressing a! Is n't firmly attached any more contract when subjected to frequent moisture rather than it! To moisture damage that can rot the wood floors in my 1920 home a strong joist, was replacing floorboards with plywood... 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