INTERNATIONAL RESIDENTIAL CODE (2009) form revised 5/10. subfloor prior to install). Question; Should I glue and screw my subfloor layers together, or just screw? Thnx, Chris. Ideally, I would tear out the existing finish flooring, screw down the existing plank subfloor where loose, repair the plank subfloor where needed and then lay my new flooring (engineered hardwood) right over the existing plank subfloor. The adhesive fills minor framing irregularities and provides a tight, even bond that helps prevent squeaks. In the process of trying to remove it I have pulled the plugs and the person who installed them must really didnt want the floor to squeek because each plank has about 12 screws and it is glued to the plywood subfloor. Part I - Wood Subfloor Specifications A. Dont put up with those annoying squeaks in your floors and stairs. Oriented strand board works well for subfloor material There is no real need to fasten this floor to the steel ribbed floor of the van. On top that was thin set ceramic tile so all the screw heads were filled with thin set. Use a heavy-duty drill to drive Phillips head wood screws through the subfloor into the floor joists. Be sure to lubricate the screw with a little soap or wax, apply pressure to the plank, and drive until the screw head sits just beneath the plank surface. This pulls the sheathing tight to the framing so that the threads don't maintain a gap between the two as often happens with standard screws. Add a layer of 1/2-in. These panels feature a built-in underlayment that allows the convenience of using only Sturd-I-Floor® under certain finish flooring, especially carpet and pad. A thicker subfloor takes a 3-inch screw. The SPAX-M MDF screws are designed for joining MDF boards, chipboard, plywood, melamine, fiberboard and other engineered wood products. Its simple, but rugged design is built to last and delivers smooth, consistent screw driving every time. OC in the field of the board. This method can only be used on wooden subfloors. If you have a strip wood floor over a plywood subfloor, you can also do this repair, but the screws will have to penetrate completely through the subfloor and at least partially into the strip flooring. Fastened to the plywood with hot-dipped ring-shanked underlayment nails or D UROCK Brand wood screws,spaced 200 mm (8 ) o. Does any one know if I am going to put the plywood on top of the subfloor, what kind of screw or nail should I use?. The same adhesive technology that makes Gorilla Glue perfect for The Toughest Jobs on Planet Earth ®, also makes LP Legacy the strongest and stiffest sub-floor you can buy. The head configuration is the biggie. You need to leave an 1/8″ gap at the edges to allow for expansion. Tile Subfloor, Thickness, Deflection Installing Electric Radiant Heat Pouring Self Leveling Mortar Leveling (Flattening) the Subfloor Installing Cement Board (CBU) Installing Schluter DITRA Marking Guidelines for Tile How to Lay Tile How to Grout Tile Joints Cement board replaces the old plaster and lathe underlayment for tile. Lay planks preferably following the direction of the main source of light. Pound down any nails and renail that plank subfloor (or use screws, whatever). Finally, the underlayment must be fastened according to the manufacturers specifications. get some and try them - you. It also maintains this hold for longer than regular particle board flooring screws. It’s important to choose both the correct Powernailer, and the correct cleat size for the type of flooring your are going to install. Cement backer board can provide a solid, flat surface to install tiles on if you have a wood subfloor. from the side joints and max 8 in. That’s why it was named the most preferred brand of backer board by tile installers and contractors, according to the 2019 Tile and Stone Report conducted by ClearSeas research in partnership with the National Tile Contractors Association and TILE Magazine. Better than an uncoupling membrane, BLANKE PERMAT reinforces your tile, strengthens substrates, and creates a rigid subfloor beneath your installation. Schluter. This is so the threads won't engage the subflooring material, and thereby draw the subflooring tight to the joists. Find quality cement board screws online or in store. You could drive a screw every 6 inches along the framing. The glue secures that connection and the screw locks it in place. If a wood subfloor has any loose or squeaky boards, screw them to the floor joists (or nail using ring shank nails). Due to this rule, planks in the first row can be cut to smaller size. The great thing about Lost-Tite is that the head of the screw is so small that it replaces the need for nails, glues or panel pins - which also means minimum effort is required to fill the hole. Underlayment for Vinyl Flooring Where conditions exist for water damage to happen, I like to use concrete board instead of wood for underlayment. Instead, they just screw or nail the boards to the subfloor. Score both sides and edges with a utility knife. We knew we still wanted to have a wood plank floor, though, so we planned to buy cheap pine tongue. In new construction, a heavy plywood subfloor typically does the job, but in older houses, the slight deflection and unevenness inherent in ¾" board subfloors may be on the hairy edge of acceptable, so some manufacturers advocate attaching a layer of ½" plywood to beef up the subfloor to 1¼" thickness. Cutting To cut D UROCK Brand Cement Board,mark desired size on the board with a rule and pencil. Luan Plywood thus provides a smooth surface for application before the Vinyl is intalled. Redoing all the subfloor would be thousands in labor and I'm positive a professional floorer wouldn't do it if they saw these floors. Lay planks preferably following the direction of the main source of light. Screws - Fasteners - The Home Depot Store Finder. 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. Besides creating a rougher finish, deep countersinking can reduce the effectiveness of the fastener and void the warranty. This feature is not available right now. Quick easy to use and really do pull the joints together and down to the sub floor, very solid finished job. However, a surface that’s in disrepair may need to be replaced. There are a few things to keep in mind when painting your subfloor. It is the fasteners which secure the board to the subfloor. • Do not use additional moisture barrier. The glue secures that connection and the screw locks it in place. e n = Screw joint slippage at load per screw on perimeter of interior panel. UNDERLAYMENT Hardboard underlayment is designed to be applied over wood or plywood sub-floors or over old wood floors; it should never be applied directly to concrete. Self-leveling underlayment is a great choice under any tiled floor, but it's the absolute best choice when installing tile over an in-floor heating system. How to Install Bathroom Floor Tile: Part 1 Make sure to use thin set to adhere it to your subfloor and then nail or screw it into place. long Type G laminating screws located 1 in. I am laying down a 5mm fibreboard and floating the wood foor on top no gluing. Drive the screws. What is cost to remove & replace 105 sq feet of tile and subfloor & rebuild floor joists in shower /toilet area old double wide mobile home,1400sqf. Installing Solid Hardwood Floors "The guy at the big box store only had flooring nails. The MTH Underlayment screw is designed for fast and secure underlayment to subfloor installations. Nail or screw every 6" along joists to avoid squeaking. Adding other factors such as the type of wood, screw material, lateral vs. Flooring screws can help to prevent squeaky boards and eliminate the need for glues and nails. Their patented thread technology provides unmatched versatility, drive performance, and requires no pre-drilling - so you can get professional results faster, easier, and more efficiently than ever. A subfloor is the foundation flooring in a building. SOUNDSTOP sound deadening fiberboard is a high-quality, cost-effective solution to airborne sound reduction. Apply a thin layer of thinset adhesive to the sub floor where you are going to put the backer board. AQUAPANEL® Cement Board Floor Tile Underlay. Therefore, determining the right nail and screw sizes is essential for the success of your project. Screws should be backed out if possible rather than pried loose because they will damage the sub-floor Clean up using a broom and shop vacuum. With board or decking subfloors applied at. Refer to Chapter 2, Acclimation and Conditioning of Wood Flooring, for proper subfloor moisture content at time of installation. Re the chipboard question, I only really saw reference to it being used for light use in lofts and was a bit worried about using it in a bedroom. It's gotten to the point that I am pretty sure we need to get everything up and start fresh and redo the subfloors, install wood look tile for durability and just chalk it up to a learning experience. • Using galvanized screws and tabless washers (2), have the washer cover the seam between two boards (making sure the middle of the washer is not in the middle of the seam) at one per foot and install the screw (3) through the boards into the subfloor, making sure the boards are flush with the ground. Repair any broken planks. Push it up against the subfloor, then nail it to the bottom of the joists. underlayment sub-floor is securely fastened with countersink screws. COREtec™ Pro Plus Plank & Tile Floating Installation Instructions ATTENTION! READ BEFORE INSTALLING! In 2014, COREtec Plus® transitioned from a drop & lock glueless profile to an angle/tap glueless profile. The floors were in terrible condition and were stripped down to the wooden plank subfloors which are in good condition. Choose the Correct Screw Length. Shop cement board screws in the screws section of Lowes. DRIcore looks like particle board on top and like a plastic version of diamond plate on bottom. Re the chipboard question, I only really saw reference to it being used for light use in lofts and was a bit worried about using it in a bedroom. Please try again later. Concrete is one of the most common types of subfloors found in homes. posted 6/16/2015 in Kreg Tool Tips: Joining by Kreg Tool Company. We knew we still wanted to have a wood plank floor, though, so we planned to buy cheap pine tongue. However, a surface that's in disrepair may need to be replaced. Allow it at least 20 minutes to dry before sanding it down. tongue-and-groove plywood subfloor (L/360 deflection limitation). Luan installs on top of a subfloor since the sheets are not structurally sound and cannot take the place of a subfloor. OSB is for roof underlayment and is suitable for that and that only. Due to this rule, planks in the first row can be cut to smaller size. Concrete board is made from concrete on the inside and covered with a fiber mesh out the outsides to give it strength. These were, in turn, covered by 1/2" plywood and, finally, a piece of 1/4" masonite. OC in the field of the board. CopperHead Autofeed Screws for Pressure Treated Decking; Ipe/Hardwood Autofeed Deck Screws; Trim Head Screw; Stainless Steel Screws; Composite Decking. Check the subfloor for unevenness or protruding objects such as nails or screws. Make sure subfloor is level to within 3/16” in 10’ or 1/8” in 6’. Screws should be backed out if possible rather than pried loose because they will damage the sub-floor Clean up using a broom and shop vacuum. As with untreated wood, the wood must be dry and clean before finishing. For example, if you install resilient tiles or sheet flooring over a subfloor, any bumps, dips, or voids in the subfloor may be evident in the finished flooring. 95 for individual kits (w/25 snap off screws). You can get the best pull-down when the smooth shank is nearly 3/4" long and will not have threads in the plywood. Wood screws for underlayment, ceiling material and rib installation. Read honest and unbiased product reviews from our users. Once this step has been completed, you'll need a foam underlayment. That's why it was named the most preferred brand of backer board by tile installers and contractors, according to the 2019 Tile and Stone Report conducted by ClearSeas research in partnership with the National Tile Contractors Association and TILE Magazine. Desk finished, without stain. HardieBacker boards must be flush with subfloor during installation. Please try again later. Accessing from below may become necessary. get some and try them - you. Concrete is one of the most common types of subfloors found in homes. Install proper underlayment of 1/8” foam, cork or resilient underlayment. Gypsum board fastened to grid runners with drywall screws spaced 1 in. Nevertheless, plywood is still a wood product and is subject to the effects of excessive moisture in the long run. Steve and I will show you how to install DITRA today and make it 100% waterproof.  Those fasteners that miss the framing should be removed during the framing activity of your building project. If you have a strip wood floor over a plywood subfloor, you can also do this repair, but the screws will have to penetrate completely through the subfloor and at least partially into the strip flooring. When I removed the tile and cement board, I discovered that the cement board was attached directly to the old 1x8 plank subfloor. The wooden subfloor should be completely smooth and solid before installing a new floor. That also means you can drive them close to the end of a board without it splitting. Particle board is denser than OSB and has limited uses. screws every 6 in. McFEELY’S is your primary source for best-in-class screws, tools, woodworking supplies and DIY gear. (These can be found at your local home center or ordered through their catalogue dept) I do not recommend the use of screws for the installation of your flooring. The sub floor is chip board and not even. Shop for appliances, paint, patio, furniture, tools, flooring, hardware, lighting and more at Lowes. Underlayment panels are available in 3’x4’. Finally, the underlayment must be fastened according to the manufacturers specifications. Floor movement and deflection in a floating installation is considered normal. You use the tripod and bit to drive the screw through the floor covering and subfloor into a joist. - The subfloor must safely support the flooring, furniture, and people in the room. For wood flooring plank products (products wider than 3") there should be no more than 2% moisture difference between the flooring and subfloor. COMMONLY USED RESIDENTIAL BUILDING CODES. Therefore, determining the right nail and screw sizes is essential for the success of your project. If using screws, pre-drilling planks is a MUST! This will help prevent cracking. In this instance, there was not any roofing felt or other underlayment under the glued oak. Question; Should I glue and screw my subfloor layers together, or just screw? Thnx, Chris. Pull the pry bar gently towards you to remove the baseboard and then set it aside. Your actual price will depend on job size, conditions, finish options you choose. Screw Guns Cordless and electric screw systems for underlayment, cement board, fencing, decking, drywall, floor sheathing and subflooring. B&C Eagle CS8X2YZ No 2 Square Drive 1000-Count 8 by 2-Inch Yellow Zinc Collated Subfloor Screws. Many times it's possible to reuse the vinyl or linoleum. make sure your first row of subfloor is straight; it'll make the rest of the job easier. in both directions, driv-. James Hardie recommends the use of “building paper type” weather-resistive barriers with all siding products. Soooooooo, I would appreciate comments on: 1. How To Build a Shower Article 3 – Shower tile installation In this first article of our series: How to Build a Shower , we walk through the first two steps of building a high-quality walk in shower; 1) Framing the shower and 2) Installing the supply and drain plumbing for the shower. HardieBacker boards must be flush with subfloor during installation. Fastened to the plywood with hot-dipped ring-shanked underlayment nails or D UROCK Brand wood screws,spaced 200 mm (8 ) o. The planks are nailed to the joists with 2-3 nails spaced at about 1. 1) or acrylic modified thinset (ANSI 118. 2 Common, kiln-dried to less than 15% MC. Shop flooring underlayment in the flooring section of Lowes. With its dedicated pneumatic coil nailer, the tetraGRIP™ Sub-Floor Fastening System drives as fast as a nail and has the holding power of a screw. OSB is for roof underlayment and is suitable for that and that only. Using the original sub-floor nails as a guide, mark the floor joist locations on the wall to know where to insert the screws. CopperHead Autofeed Screws for Pressure Treated Decking; Ipe/Hardwood Autofeed Deck Screws; Trim Head Screw; Stainless Steel Screws; Composite Decking. My house was built. 2”-2” fastener, or 6d-8d casing or finish nails. Strong-Drive ® WSNTL SUBFLOOR Screw; WSHL Subfloor Screw; DWC Drywall Screw. wood sub-floor; from the center out, using annular threaded nails or screws of sufficient length to penetrate a minimum of 1/2” into wood sub-floor. The new vinyl plank flooring is so tempting, but after reading some of the cautions listed in the literature for some of the different vinyl products, I began to wonder if it would hold up to an electric wheelchair w/ a 200-pound man going over it continuously, especially if some are prone to rippling. 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. How to Install 1/4 Luan plywood Over Subfloor Video Underlayment for sheet vinyl: (1/4 inch Luan Plywood Installation) Luan Plywood : When you install luan as a subfloor for sheet vinyl, ensure that the luan has been secured so there is no movement. Each board is secured with 16 15⁄8-in. Screws - Fasteners - The Home Depot Store Finder. Then install a 3/8" minimum ( 1/2" is prefered ) plywood CDX underlayment over your plank subfloor by stapling well with a 16 gauge x 1/2 crown contruction stapler. It will break or dislodge if the surface bends under the load. Once the floor covering is removed, use many, many long deck screws to pull the subfloor to the joist. 5", leaving little room in between for me to add screws. Use a construction adhesive like PL400 and real wood screws. Solid Board Subflooring. acceptable to use an underlayment grade minimum of 1/4” thick. Strong-Drive WSNTL Subfloor screws are ideal for fastening subfloor, sheathing, sill plate and stair tread applications using the Simpson Strong-Tie Quik Drive ® auto-feed screw driving system. Subfloor panels should conform to should conform to U. The screw count is a bit high at times but this will allow for losing some. You use the tripod and bit to drive the screw through the floor covering and subfloor into a joist. subfloor and underlayment), wall and roof sheathing. I was then planning on gluing + screwing 1/2" plywood over the planks once all the squeaks are taken care of. There is Slkaflex 252 adheasive recommended by the manufacturer that is supposed to work real well. Using the original sub-floor nails as a guide, mark the floor joist locations on the wall to know where to insert the screws. • Center the seam bracket on the nailing hem of adjacent planks and fasten with 4 seam bracket screws, 2 per plank. Cement board attached to plywood or similar underlayment will hold with only 1 1/4-inch screws; for thick or heavy metal fixtures, use 1 5/8-inch screws. As the original blue screw and the masonry fastener that revolutionized an industry, Tapcon ® is the trusted choice for those who want their work, and reputation, to remain intact. Be sure the screws are long enough to grip the finish floor without going all the way through, and use washers to ensure the screws will not be pulled into the subfloor. If you’re afraid of mold in the bathroom DITRA will help. Leave a 1/8" gap between panels, corners and floor. up the wall and about 1 ft. With the grid in place, screw the subfloor to the joists using the specialty screw system you’ve purchased. Install a Beautiful, Affordable Wood Floor A collated screw gun is the ultimate subfloor installation and reinforcement tool. You must first test your subfloor for deflection. HardieBacker® cement board is made better to install better and perform better. Backerboard screws not flush with surface I've just laid down the backerboard on a bed of mortar on top of the wood subfloor for a bathroom tileing project. Specifically designed for high moisture areas, galvanized screws are often used on porch floors and any area that the screw attaches plywood to treated lumber. Cut your PermaBase Cement Board to size, making sure the joints are staggered so they don’t line up with the subfloor joints. These panels feature a built-in underlayment that allows the convenience of using only Sturd-I-Floor under certain finish flooring, especially carpet and pad. The butted end joints are to be secured to the backer strip with No. Your customer specific prices will be applied when you view the cart. Some underlayments do not act as a vapor retarder. Install proper underlayment of 1/8” foam, cork or resilient underlayment. In the process of trying to remove it I have pulled the plugs and the person who installed them must really didnt want the floor to squeek because each plank has about 12 screws and it is glued to the plywood subfloor. Install a vapor retarder or resilient pad underlayment as directed by the flooring manufacturer. Level and smooth the subfloor with a latex based product that is recommended by your dealer. 50/sf MSRP based upon full truckload delivered to job-site. Stagger DensShield joints over subfloor joints. OC in the field Of the board. If you have a strip wood floor over a plywood subfloor, you can also do this repair, but the screws will have to penetrate completely through the subfloor and at least partially into the strip flooring. Steel Screws are designed for interior plywood floors. Find quality service, superior products and helpful advice for all your home improvement needs at Lowe's. JOISTS UNDER BEARING PARTITIONS. Fix the loose board to the joist. 3 Cut and install fibrocement board to fit and cut the opening for the drain with a 3 ¼" hole saw. Log Home Package Options Yellowstone Log Homes offers the logs for your home as well as the building materials needed to complete the dry in process of your log home. This simple sub floor materials calculator will provide you with the lineal feet of floor joist needed, the number of sheaths to cover the floor and how much glue and how many screws it takes to attach the sheathing to the joist. The same adhesive technology that makes Gorilla Glue perfect for The Toughest Jobs on Planet Earth ®, also makes LP Legacy the strongest and stiffest sub-floor you can buy. Cement backer board can provide a solid, flat surface to install tiles on if you have a wood subfloor. 1) or acrylic modified thinset (ANSI 118. Inventory is sold and received continuously throughout the day; therefore, the quantity shown may not be available when you get to the store. Nail or screw Homasote panel additionally in any areas that are not lying down flat into adhesive. OC in the field Of the board. Use a construction adhesive like PL400 and real wood screws. 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. Shop for appliances, paint, patio, furniture, tools, flooring, hardware, lighting and more at Lowes. In new construction, a heavy plywood subfloor typically does the job, but in older houses, the slight deflection and unevenness inherent in ¾" board subfloors may be on the hairy edge of acceptable, so some manufacturers advocate attaching a layer of ½" plywood to beef up the subfloor to 1¼" thickness. To create a surface that will be strong and long lasting and that won't shift or peel up as. It sounds like the cement backer board was not attached properly to the subfloor using thin-set adhesive, screws, and fiberglass tape on the joints. Standard foam, as the name suggests, is a simple and thin layer of foam material which is placed over a subfloor. You can get some sense of that length when you drill your pilot hole. I called John yesterday and asked if they could possibly do some work on our subfloor to STOP THE SQUEAKS. If a wood subfloor has any loose or squeaky boards, screw them to the floor joists (or nail using ring shank nails). None of the 3 products should ever be used as a sub-floor. Just pry up that old 5/16" face naile oak floor. in both directions, driv-. The glue secures that connection and the screw locks it in place. Backerboard screws not flush with surface I've just laid down the backerboard on a bed of mortar on top of the wood subfloor for a bathroom tileing project. We've got the details on plywood vs OSB and enhanced options in each. This enabled me to fully adhere the roofing membrane about 2 ft. Ring shank nails or staples work well. A best practice is to nail or screw every 6” along joists to avoid squeaking. The Grabber Stainless Steel 316 provides long-lasting durability for a highly corrosive environment; for yards with swimming pools and hot tubs, the Stainless Steel 305 is recommended. subfloor with 1-1/4" (32 mm) corrosion-resistant screws beginning in the center of each board and working toward the edges. This is so the threads won't engage the subflooring material, and thereby draw the subflooring tight to the joists. BC plywood over the old subfloor, using construction adhesive and driving 1-1/4-in. Cement board won't work and if you choose to lay down a mortar bed it takes longer, it's harder to achieve an even surface and the screeding process can damage the heating cables or mats. Create an Account Now. T325D, “Roof Sheathing Fastening Schedules for Wind Uplift,” offers prescriptive sheath-ing fastening recommendations to pro-vide resistance to wind-uplift pressures as required by most current building codes. Use a construction adhesive like PL400 and real wood screws. Allow one day for the thinset to dry. As with old-fashioned tongue groove plank subfloor, this product features a ridge that runs along one of the plywood’s edges. Underlayment covers subfloor flaws for the best possible results. HardieBacker board is not designed for use over concrete. PAM's professional autofeed screw system increases productivity and improves quality. Subfloor panels should conform to should conform to U. posted 6/16/2015 in Kreg Tool Tips: Joining by Kreg Tool Company. Be sure to use the appropriate screws. replace the carpeting or vinyl and then screw the sub-floor to the joists. The upper fixing thread secures the board down and minimises creaking and squeaking in the boards. Standard Foam Underlayment. Sub Floor Material Calculator This simple sub floor materials calculator will provide you with the lineal feet of floor joist needed, the number of sheaths to cover the floor and how much glue and how many screws it takes to attach the sheathing to the joist. Solid Board Subflooring. Specifically designed for high moisture areas, galvanized screws are often used on porch floors and any area that the screw attaches plywood to treated lumber. Counter-Snap Pro is designed for hardwood and vinyl floors where there is limited or no direct access to the subfloor. The 3/4-inch-thick subfloor takes a 2-inch screw. A quality finished floor installation begins with the subfloor installation. Lay planks preferably following the direction of the main source of light. Screw the backer board into place as directed by the manufacturer – usually applying screws ½ inch from the edges, 2 inches from the corners, and every 8 inches over the backerboard’s entire surface. Related Articles. Screw Gun W/Attach at Amazon. Cut your PermaBase Cement Board to size, making sure the joints are staggered so they don’t line up with the subfloor joints. Cordless and electric screw systems for underlayment, cement board, fencing, decking, drywall, floor sheathing and subflooring. Rich, I forgot to tell you the price here in Ontario those subfloor are about 6-7$/board. Unless your subfloor is thicker than 1-1/2' AND made of solid wood or plywood, hardwood strip must be laid at right angles to the joists. Apply ½” cement backer board over the thinset and gently walk all over it to create a firm bond. "Anywhere the potential for moisture is high, you need the right subfloor system to protect your flooring. On top that was thin set ceramic tile so all the screw heads were filled with thin set. Tongue and grooved flooring MUST be blind nailed. 9 Common Subfloor Mistakes—and How to Avoid Them. Concrete slabs differ from wood subfloors in that they don't require joists to hold them up as they are one continuous concrete slab. Yes, it is planks, tongue and groove fir, solid 2 by 6 wood and it feels stable. Although there is seemingly nothing complicated about a nail or a screw, many are misused due to improper sizing. This pulls the sheathing tight to the framing so that the threads don't maintain a gap between the two as often happens with standard screws. Flooring screws can help to prevent squeaky boards and eliminate the need for glues and nails. Refine by price is using standard retail pricing. So after all the drama of separating the subfloor from the underlayment I ended up cutting the subfloor out of the whole room and installing a new layer of 3/4" plywood complete with polyurethane construction adhesive and 1-3/4 inch torx-drive screws. Nailing Underlayment. The squeaking will only get worse. The purpose of an underlayment for vinyl is to have a glass-smooth surface to glue to (1/4 ply is the industry standard), whereas an underlayment for ceramic tile is to add strength (and 3/8ths isn't thick. TruFlor® is a high-quality commodity T&G sub-floor that offers real value, strength and durability on the job site. Some T&G products, like Advantech, already incorporate this in their product on the t&g side but you still have to space the ends and most people just stick an 8d nail between the sheets to give the correct spacing and then just take it out after nailing it in place. If removing backer board or cement, remove the mortar first so you can access and remove the screws. Shop flooring underlayment in the flooring section of Lowes. It won't hold screws, can't be painted and/or finished to look decent, and chips and breaks easily. It is also important that all screws be secured at a 90-degree angle to the boards. With the grid in place, screw the subfloor to the joists using the specialty screw system you’ve purchased. drywall screws spaced every 4 in. If that’s the case, unfortunately, there’s no quick fix for this problem other than removing the tile and cement backer board and starting over. , and space them every 6 in. Install a layer of 5/8-in. - The subfloor must safely support the flooring, furniture, and people in the room. Sheetrock screws have "bugle" heads, and the heads are rather small. Adding the 1/2 cement board and tile around the flange would leave the finished floor 3/4" above the flange. Next-day shipping on most orders. Solid board subflooring should be: ¾" x 5½" (1" x 6" ), Group 1 dense softwoods (SYP, Doug Fir, Larch, etc. It will break or dislodge if the surface bends under the load. Be sure to use the appropriate screws. Part I - Wood Subfloor Specifications A. Unlike nails, the MTH Underlayment screw has an intricate thread pattern designed to prevent squeaking by holding underlayment tight to the subfloor and thus preventing pull-out. The first step of preparation of the subfloor is to deter-mine the moisture content of the system. Standard foam, as the name suggests, is a simple and thin layer of foam material which is placed over a subfloor. Holding the plank/tile at a slight angle, place it against the profile in the first row. How to Install Bathroom Floor Tile: Part 1 Make sure to use thin set to adhere it to your subfloor and then nail or screw it into place. Fastening battens: For wider boards use 2 fasteners and for narrower boards and battens, use 1 fastener. Some of the gabs between the planks are 1/2"ish. If removing carpeting, insert the pry bar between the baseboard and the wall behind or beside the nails. I also got a great deal of information from manufacturer spec sheets, and from the JB forums - BOTH the JB forum and the Durock tech sheet on making a hearth extension said that as long as the subfloor was flat, and the deflection was low enough, there would be NO PROBLEM with putting Durock directly on the plank subfloor (Sorry Elfin!. Please try again later. Simply screw one side of the angle iron or bracket to the. Glue and screw this underlayment in place. Thanks to patent-pending Down Pore® self-draining technology and a proprietary edge seal, our panels withstand the elements so well they can extend the building season for framers. Don't use regular drywall or wood screws, which corrode in cement board. We have the subfloor exposed now, and squeaking is pretty minimal. Another option is to leave the DRICORE as is. Rotate the plank/tile down to secure the length joint assuring there are no gaps along the joint. Redesigned tip and thread pattern provides easy starts and up to 25% less torque while driving1 - makes for up to 20% faster driving2; Less installation torque also means less wear on tools. 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. For example, an 18 inch pine board installed at 12 percent in August might show an 1/8th-inch gap in January when the flooring goes to 8 percent in a dry home. Product type. The MTH Underlayment screw is designed for fast and secure underlayment to subfloor installations. Verify that fasteners are flush with, or slightly below, subfloor surface.