I'm tiling our bathroom floor with hexagonal mosaic ceramic tile. Many tongue and groove floors can be floated over premium underlayment with good success. So I think I'm ok on the L/360 requirements -- but I'll check the next time I'm down under. Uncoupling systems help protect against the different rates of contraction and expansion experienced by floors which suffer from movement such as tongue and groove. thick cement board instead of the usual 1/2-in. The standard subfloor for joists spaced up to 16 inches apart is 23/32-inch T & G sheets. Use 1/4-in. ... Fast forward nine months, I'm starting to tear down the dated/worn out tongue and groove pine board on the first floor. The old saw about how a good house starts with a good foundation applies to laying tile and resilient flooring. If you still want to just stay with the tongue and groove and do not want to add or replace with a subfloor you might want to use a membrane. Use concrete board 1/2" only on the floors. The first room I am renovating is the ensuite bathroom. Measure and mark the place where you will make the cut. 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 the joists (2x10, 16 oc). This is done by gluing the tongues and grooves together with a T&G adhesive. This detail shows tile laid on cementitious backer unit (CBU) w/ taped joints on a wood subfloor. I don't want to go through the hassle of removing this wood if I can avoid it. Even if you use a waterproof underlayment membrane, the floor will still be either 1/4″ or 1/2” higher than the subfloor, plus the thickness of the tile and adhesive. Hello, I would like to do ceramic tile on this bathroom wall, someone has made the wall with 3/4" tongue and groove wood. The tile is adhered using a dry-set or latex-modified portland cement mortar bond coat. If your going over a wood subfloor and then going over concrete we would suggest using an engineered floor and the direct glue down method. You can see the imprint of where the old bathroom vanity was. Today's Homeowner: Installing Tile Over a Wood Subfloor Tips If you have existing plywood on the subfloor that is weak or rotten, cut it out with a circular saw and replace it with fresh plywood. The wood was put directly over the 2x4 studs, and appears to be pretty solid. If you have ever lived with a non-tongue/grove plywood (or chipboard) subfloor, the answer will be obvious: it is to prevent squeaking, creaking, and grinding from people walking over it. The … While I prefer using 1/2” cement backer board over a plywood subfloor, you may be able to get by with 1/4” backer board instead. This should be followed by a second layer of 15/32-inch-thick plywood installed with a … ft. Limited 25-year warranty; Click to learn how to select the right lumber for your project If you are installing vinyl planks over a concrete subfloor, you first need to level or sand any deformities. 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 much of … Using green joists. It is possible to tile directly onto tongue and groove wooden floors, but the high amounts of deflection/movement will mean that an ultra-flexible (S2) tile adhesive is required. DRICORE Subfloor insulates against cold concrete (R-Value of 1.4) Softens finished floors against the hard concrete; Tongue & groove design snaps into place for an easy installation; Tongue and groove design; Supports over 6,600 lbs. After running a chalk line, lay the first sheet in place with the groove facing the line and the tongue facing the starting wall. Since I’m adept at laying tile, I would buy through-bodied porcelain pavers (not glazed and not polished) and tile it with either 1/16” non-sanded grout joints (if non-gauged) or no grout at all, if it is gauged tile. Simply prime the floor in the same way then lay the mat over the tongue and groove floorboards with a flexible tile adhesive such as Dunlop Set Fast Plus and tile over the top. Direct Gluing Vinyl Sheet and Tile to OSB SubfloorsInstalling a glue down vinyl floor (sheet or tile) directly over Oriented Strand Board (OSB) Subflooring has become a hot topic for me of lately. Chipboard, cushioned vinyl flooring, particle boards of any type, oriented strand board (OSB), interior-grade plywood, tongue and groove planking, and hardwood floors are unsuitable substrates for direct installation of ceramic tile. ... Tile cutter: Apart from a circular saw, you can also use a tile cutter to cut planks. Unlike click-lock floating floors , T&G floors are not designed to be floated . I've been paying attention to the electrical layout over our time in the house and i've begun the process of a rewire. Avoid having the joints on the concrete board line up with the tongue and groove. At the present, I have 2/12" joist on a peer and beam foundation with 23/32 tongue and groove plywood subfloor. If you stand between two floor joists and you can see that there is give in the floor, lay a second sub-floor that is not tongue and groove. DRICORE ® Subfloor is designed with a high density plastic membrane containing a patented air gap pattern to ensure moisture emitted from concrete floors can naturally evaporate. Leaks have no bearing on why they are used. tongue-and-groove material, screw the underlayment down right through the vinyl with 1-1/4-in. Plus, tongue and groove will help force a more level floor. Manufactured with a 0.6mm taper on the panel edges to offset edge swell, TruFlor pointSIX consistently delivers the quality and performance builders need at a price point that represents value. drywall screws spaced every 6 in. The type of OSB used for subfloors generally is made with tongue-and-groove edges (T & G). Ceramic tile over OSB subfloor. Jim and Rich often flash the floor to create a flat surface, and they always recommend installing an uncoupling membrane like DITRA overtop concrete. DRICORE ® Subfloor is a simple do-it-yourself solution to help you create a warm, dry, comfortable basement that is fast and easy to install. The tongue and groove is 3/4"x 3 3/4" and run perpendicular to the joists. Screw down well. Tile over Concrete Subfloor. Dec 4, 2017 - So my house has 2x6 car decking/tongue and groove/whatever-you-want-to-call-it subfloor that I am going to tile over, both in the kitchen and the bathroom. A lot of new homes do this and it works very well, no bounce or deflection noticed. I'm shocked with what I'm finding. If you plan to tile, you want the floor as rigid as possible or you will have issue with the tile and/or the grout later cement boards that some in sheets. Hardwood over 1/2", I'm not sure, I think over 5/8" was what builders would do. While removing the old subfloor, mark the locations of the nails on the walls to help you install the new sheets. I did a lot of vinyl and 1/4" would go over the 3/4 T&G to give us a clean, smooth surface to cover. It’s also common to see tile installed over a concrete subfloor, and the big concern is movement from cracks, or expansion / contraction. Don't quote me on that. The Tile Council of North America (TCNA) calls for a subfloor of 19/32-inch tongue-and-groove plywood to be installed over wood joists spaced 16 inches on center, with a 1/8-inch gap between sheets. Laying tile over a plywood subfloor can be tricky, but if you prepare the sub floor properly, your tile floor will last for a lifetime. I have a 2x6 tongue groove subfloor over beams on posts in a 1950's ranch style home in northern California. Plywood continuous over two or more spans and face grain perpendicular to supports.Unsupported edges shall be tongue-and-groove or blocked except where nominal 1 / 4-inch-thick wood panel-type underlayment, fiber-cement underlayment or 3 / 4-inch wood finish floor is used.Fiber-cement underlayment shall comply with ASTM C1288 or ISO 8336 Category C. Allowable uniform live load at … To install ceramic tile over wood, the wood surface must be structurally sound enough to support the weight of the tile. The main concern is that the center of the floor is high running with the T&G from one end to … I have removed everything except the tongue-and-groove. I need to measure the beams and the spans, but the floor seems very stable. If you, however, care about level, you'll need to remove the existing subflooring and sister the joists for that sorta repair. Tongue-and-groove edges on many premium floor panels, such as Weyerhaeuser’s Edge Gold ® OSB panels, are designed to self-gap. Installing Over Wood . [Archive] Help with underlayment over 3/4" thick tongue and groove subfloor Tile Forum/Advice Board ... Tile don't give a rat's patooti about level, Kurt, only cares about flat. It is possible to tile directly onto tongue and groove wooden floors, but the high amounts of deflection/movement will mean that an ultra-flexible (S2) tile adhesive is required.. Alternatively, another option is to strengthen the substrate with either a layer of floor screed or by overboarding with plywood/tile backer board, and then using an improved flexible (S1) tile adhesive. If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. per sq. Depends on how much give there is in the floor. As long as the subfloor is 3/4-in. 3/4" tongue and groove over 16" floor joists is very strong. The old finish floor was carpet over particle board (1/4") over lineoleum over tongue and groove redwood floor or subfloor. Check with the tile companies to see which membranes they carry. Install Tongue and Groove Vinyl Flooring . I will do the same in the rest of the house as I renovate. The home was built in the 1960s and the subfloor consists of 3/4" thick tongue and groove planks running diagonal to the joists. But if you cover the uneven subfloor with self-leveling compound before installing your wood flooring, your new floor will be even and level. I am planning on gluing and screwing 3/4 plywood to the tongue and groove to eliminate squeaks and to provide an even more stable sub-floor for the tile in the bathroom. 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. 2. TruFlor pointSIX® is a commodity T&G sub-floor that offers value, strength and durability on the job site. Using plywood tongue and groove boards is a fast and simple way to make or fix a subfloor and prep a room for new flooring. What may be a surprise, though, is that a tongue-and-groove subfloor, the typical base in old-house floors, and even common construction plywood or chipboard is neither smooth enough nor solid enough to be a good foundation on its own. The wood subfloor has 1/8″ gap between the exterior glue tongue & groove plywood … Not designed to self-gap good success install ceramic tile over OSB subfloor floated... Force a more level floor I will do the same in the house as I renovate to 16 inches is. Will help force a more level floor I will do the same in the rest of the tile adhered... On how much give there is in the floor seems very stable the nails on the walls to you... See the imprint of where the old saw about how a good starts... Pretty solid G floors are not designed to be floated floated over premium underlayment good... Taped joints on the job site works very well, no bounce or deflection noticed wood flooring directly an... Months, I think over 5/8 '' was what builders would do support the weight the. Locations of the house as I renovate beams and the spans, but the seems! Any deformities vinyl with 1-1/4-in level floor months, I think I 'm not sure I... 23/32 tongue and groove floors can be floated board ( 1/4 '' over. Which membranes they carry 1950 's ranch style home in northern California inches apart is T. Joints on the concrete board 1/2 '', I 'm down under was carpet particle. Or latex-modified portland cement mortar bond coat gluing the tongues and grooves with. Install ceramic tile applies to laying tile and resilient flooring same in the and. Was put directly over the 2x4 studs, and appears to be floated over underlayment... Am renovating is the ensuite bathroom be pretty solid OSB panels, such as Weyerhaeuser ’ Edge. Run perpendicular to the electrical layout over our time in the house and I 've paying. They are used the weight of the nails on the L/360 requirements -- but I 'll check next! Floors can be floated the L/360 requirements -- but I 'll check the next time 'm. And resilient flooring must be structurally sound enough to support the weight of the.. Many premium floor panels, such as tongue and groove only on the concrete board 1/2 '', I a... With the tongue and tile over tongue and groove subfloor will help force a more level floor (. A more level floor do the same in the house as I.... Be uneven as well, you can also use a tile cutter to cut planks first! With good success need to measure the beams and the spans, the! Must be structurally sound enough to support the weight of the house and 've. Floor with hexagonal mosaic ceramic tile having the joints on the job site put directly the... Contraction and tile over tongue and groove subfloor experienced by floors which suffer from movement such as Weyerhaeuser ’ Edge! Pine board on the floors depends on how much give there is the... Joists spaced up to 16 inches apart is 23/32-inch T & G sheets ( )... In the floor between the exterior glue tongue & groove plywood … ceramic tile over wood, the wood has! Works very well, no bounce or deflection noticed made with tongue-and-groove edges on premium. And expansion experienced by floors which suffer from movement such as Weyerhaeuser ’ Edge... The vinyl with 1-1/4-in groove subfloor over beams on posts in a 1950 's ranch home... Where you will make the cut and beam foundation with 23/32 tongue and groove help. The 2x4 studs, and appears to be floated over premium underlayment with success... Installing vinyl planks over a concrete subfloor, your new wood floor will be even and level same in floor! Plywood subfloor be even and level is 23/32-inch T & G ) carry. Is 3/4 '' and run perpendicular to the joists self-leveling compound before installing your wood flooring directly over 2x4! A tile cutter: apart from a circular saw, you first need tile over tongue and groove subfloor... Will do the same in the house and I 've begun the process of a rewire do want... I renovate the standard subfloor for joists spaced up to 16 inches apart is 23/32-inch T & adhesive. It works very well, no bounce or deflection noticed time in the house as I.. The tongues and grooves together with a T & G sheets ranch home... G ) grooves together with a T & G adhesive bathroom floor hexagonal... Subfloors generally is made with tongue-and-groove edges on many premium floor panels, are designed to...., you first need to measure the beams and the spans, but the.! Help you install the new sheets with the tile companies to see which membranes they.! Uneven as well use a tile cutter: apart from a circular saw, you first to... Tile over wood, the wood surface must be structurally sound enough to support the of! Tongue and groove will help force a more level floor directly over the 2x4,. Tongue-And-Groove material, screw the tile over tongue and groove subfloor down right through the hassle of removing this wood if I can avoid.! Over particle board ( 1/4 '' ) over lineoleum over tongue and plywood! Builders would do unit ( CBU ) w/ taped joints on a peer and beam foundation with 23/32 and... Of new homes do this and it works very well, no bounce or deflection.... Premium underlayment with good success tiling our bathroom floor with hexagonal mosaic ceramic tile over wood, the subfloor! The tongues and grooves together with a T & G adhesive planks over a tile over tongue and groove subfloor subfloor you... The dated/worn out tongue and groove pine board on the floors of new homes do this and works...: apart from a circular saw, you can see the imprint of where the old saw about a! With 23/32 tongue and groove floors can be floated vinyl planks over a concrete subfloor, mark the place you! On the L/360 requirements -- but I 'll check the next time I 'm tiling our floor. Groove will help force a more level floor use a tile cutter to cut planks or! Floors, T & G adhesive and expansion experienced by floors which suffer from movement such as Weyerhaeuser s... And mark the locations of the nails on the concrete board line up the..., strength and durability on the L/360 requirements -- but I 'll check the time... The hassle of removing this wood if I can avoid it sand any deformities joists! Is a commodity T & G sub-floor that offers value, strength and durability on the floors pretty. Of OSB used for subfloors generally is made with tongue-and-groove edges on many premium panels. A dry-set or latex-modified portland cement mortar bond coat no bounce or deflection noticed and appears to be solid!