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…, Purchase LDTs Secure the plywood to the subfloor at 6-inch intervals with 1-inch deck screws placed along the edges. … Set all screw heads slightly below the surface. Add 1 in. 1231 E. 26th St Hole Diameter – the hole to drill in the concrete for ¼” flat-headed Tapcon screws is 3/16” and must be drilled using a hammer drill that is set in the hammer and rotation mode. …, Purchase Concrete Screws You fasten it to the floor with concrete screws through some dimples. on center. If the subfloor is wood plank, orient the plywood grain at a 90-degree angle to the grain of the planks. Head Style Grab your tools and get started on that long-awaited home repair project. Concrete anchors types vary and include concrete screws, hammer-set anchors, lag shields, lead screw anchors, plastic wall plugs, anchor bolts and more. Add more wood screws, if needed, to secure them. I … Welcome to Concrete Fastening Systems, Inc.! …, Purchase Anchors The two methods have one thing in common - the head of the fastener once installed is flush with the surface of the subfloor. Buy Fixings & Fasteners at Screwfix.com. Follow this link for an instructional video on “. Tired of that ugly concrete floor? Then fasten 3/4-in. Select a screw length to penetrate the concrete at least 1 in. Toggle Bolts. Grab your tools and get … Now, this is an area that the plywood installers will be familiar with. Approvals – Miami-Dade #07-0315.03 and is ICC-ES listed report number ESR-1671. document.getElementById("copyright_year").innerHTML = new Date().getFullYear(); Get the job done right the first time by using the best masonry anchors for the application. Installation: (1) For the ¼” Tapcon drill a hole, use a hammer drill through the wood subfloor using a 3/16” carbide tipped ANSI standard bit. Head Style – tapcons come in two head styles; the flat Phillips countersunk style is the head style to use for putting subflooring down. I have heard that the older concrete gets very hard. 1. Trying Concrete Screws Select concrete screws based on the length of the intended hole. As with a floated subfloor, NWFA recommends a vapor retarder for glue-down subfloors when installing ¾” wood flooring over concrete. My idea for this floor was to (1) have new concrete poured to cover over the cracks and level the floor, (2) glue and screw 3/4″ plywood to the top of the new concrete to act as a subfloor, and then (3) install nail-down red oak hardwood flooring to match the rest of the house. It is origionally meant for basement walls. Not Staggering the Seams. Speed up the drying process by using a dehumidifier set up in the center of the slab. Leave the floor to dry completely. to the thickness of the material you’re attaching to get the minimum length of screw needed. Heating should have been on for a minimum of 5 days before installation. In hard, dense materials like concrete or stone, this minimum 1-in. This leaves space for any dust and debris created during the installation to fall. Each is available in lengths from 1 1/4 to 3 inches. screw embedment will work fine. On a concrete subfloor, you could choose to orient the plywood in whatever direction works best for … Screws and nails may be spaced farther apart. United States of America. Sign up now to receive exclusive discount offers via email. how long do you want it to last?. Duraamen’s Param 5500 goes on thin, in a 3/8" to 1/2" thick application. If the subfloor is plywood or particle board, start by screwing down any loose boards or plywood sheets. The head of the LDT is a hex washer with serrations under the hea Moisture Considerations Cinder block If the subfloor is plywood, orient the underlayment in the opposite orientation of the first layer of plywood. Replace any nails with screws, since nails that popped up will loosen again. © Concrete Fastening Systems, Inc.. Thousands of customer product reviews. Female anchors would require the spotting of the anchor and then place th If a 2x4 is being used as a sleeper then add 1” to the 1-1/2” for a minimum length of 2-1/2”. When installed correctly, your concrete over plywood floor will not permit moisture through, will not warp or buckle, and will come with all the benefits of concrete in an easy-to-care-for floor. Shop concrete anchors and a variety of hardware products online at Lowes.com. Home Depot carries the brand Backer-On screws that are great for this job. (2) Clean the hole out of all dust debris, using a wire brush or compressed air. Therefore, the closest Tapcon to meet this requirement would be the 3-1/4” Tapcon. When installed with staples, the underlayment sheets are fastened every 2 inches along the edges of the sheet and every 4 inches in the field area. The plywood floor is 3/4" and sits on joists. Sheets can be butted together (just touching, not forced tightly together) or … After installing a vapor retarder (if necessary), cut your plywood panels into 2’x8’ or 4’x4’ sections. how is the subfloor structured? Want to master Microsoft Excel and take your work-from-home job prospects to the next level? …. The NWFA recommends plywood with a minimal thickness of ¾”. Masonry and concrete anchor types are considered light-duty, medium-duty or heavy-duty, based on how much weight they can support. Powder-actuated fasteners are ideal for securing 2x4 sleepers to floors, furring strips to walls, and plywood subfloors to concrete slabs. - Hey there, I'm getting read to screw and glue some subfloor in. You’ll want the screw to go about an inch past the plywood into the joist or underlying layer beneath it. (3) Insert the split drive anchor through the hole in the wood and into the hole in the concrete. This will ensure your cement board is properly attached to the plywood … This is critical because it ensures that the finished floor will sit flat on the subflooring. If your floor is plywood you don't need anything else. My slab is about 15 years old and, from the test I've preformed, there are no signs of moisture. Tired of that ugly concrete floor? Install one or two layers of tongue-and-groove OSB or plywood on top of the rigid foam. Buy a variety of lengths so you have the correct screw size on hand. My plan was to fill it with self-leveling compound, before … Looked at engineered wood flooring and it looks like artificial wood!! When screwing the cement board down, space them about 16 inches apart. (3) Insert the split drive anchor through the hole in the wood and into the hole in the concrete. Prior to installing a wood floor, the building should have been completely enclosed - with all windows, doors, and sheetrock installed. How to Bolt Into Concrete: 11 Steps (with Pictures) - wikiHow This one-piece anchor is available in only one diameter of ¼”; the hole size to be drilled in the concrete is equal to the diameter of the anchor - ¼”. The maximum embedment for a Tapcon in the concrete is 1-3/4”, so the longest screw for this 2x application would be 1-3/4” plus 1-1/2” or 3-1/4”. Cleveland, OH 44114 (2) Using a vacuum, wire brush or compressed air, clean the hole of all dust. The Tapcon screw is a self-tapping concrete screw that taps threads into a predrilled hole in the concrete. treated plywood to the concrete with concrete screws spaced every 16 in. Apple Pay accepted in store. The closest Tapcon length over the 2-1/2” is 2-3/4”. (2) Clean the hole out of all dust debris, using a wire brush or compressed air. Most professional installers use two methods for attaching the subfloor to the concrete. …, Fastening to Cinder Anchor Spacing – the minimum distance between split drive anchors in the expansion anchor industry is 10 anchor diameters between anchors, or 2.5” and 5 anchor diameters, or 1-1/4” from an unsupported edge. Split drive anchors are called pre-expanded expansion anchors. The spacing of the fasteners will depend on local codes, flooring manufacturers’ recommendations, and personal preference. …, Purchase Anchors A self-tapping screw is a screw that taps its own threads when scr Drill right through the wood and into the concrete to a depth of ¼” deeper than the split drive anchor will penetrate the concrete. ConFlex® is the brand name for Elco's concrete screws, which are American So if your subfloor is 3/4 of an inch thick, any screw about 1 3/4 inches long will do the trick. …, Male or Female Anchor? The many considerations for choosing the proper cement screw to use for an The reason is that once set the split drive anchor is installed it exerts forces against the concrete, if the anchors are installed too close together then these forces may interact and reduce holding values. Tapcon is the original American concrete screw with advanced threadform technology that requires less torque, making them easier to install. Again this is above grade and a concrete pad foundation in a moderate no frost area. The Blue Climaseal™ provides extended corrosion resistance. The standard blue Tapcon br (4) Strike the head of the split drive anchor with a hammer until the head is flush with the surface of the wood subfloor. The 200+ Best, Hidden & Most Powerful Features & Changes for iPhone, 22 Things You Need to Know About iOS 14's Newly Redesigned Widgets for iPhone, Best New iOS 14 Home Screen Widgets & The Apps You Need, 13 Exciting New Features in Apple Photos for iOS 14, 9 Ways iOS 14 Improves Siri on Your iPhone, 16 New Apple Maps Features for iPhone in iOS 14, 19 Hidden New Features in iOS 14's Accessibility Menu, Every New Feature iOS 14 Brings to the Home App on Your iPhone. A link to a video on “. The split drive anchor is a one piece, fast and easy-to-install concrete anchor that comes with a flat countersunk head. Sizes and Packaging – the split drive anchor is packaged in a box of 100 pieces with 10 boxes in a case of 1000. what will sit on the floor? Choose from top trade brands. This is the method a friend and I did in his basement. A powder-actuated nailer is out of the question since nail depth would be impossible to regulate. Premium A-to-Z Microsoft Excel Training Bundle, What's New in iOS 14? It's the same black dimpled product that is under those particleboard subfloor 2x2 tiles you see at Home Depot for 15 bucks a tile. …, Purchase Tapcons If the plywood subfloor you’re placing is 5/8 of an inch thick, you need a screw about 1 5/8 inches long. 1 trade catalogue. the length of a split drive anchor to use for fastening wood to concrete is determined by adding the thickness of the wood to the minimum embedment of 1-1/8”. Find concrete anchors at Lowe's today. Alternatively, screw rows of treated 1x4s to the concrete 16 in. The UK’s No. Part Number: Description: Application: 5254P.144 x 1” Knurled: Plywood to Steel: 5323P.144 x 1-1/4” Smooth: Plywood to Concrete: 5324P.144 x 1-1/4” Knurled Check out this tutorial for information on how to attach plywood to concrete as a floor base. In summer weather, the area must be well ventilated. It depends on a lot of factors - what is going over the plywood? 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Compressed air floated subfloor, NWFA recommends a vapor retarder for glue-down subfloors when installing ”!, Cline says, have heads that are too small to hold down the cement board,. Miami-Dade # 07-0315.03 and is ICC-ES listed report number ESR-1671 2x4 sleepers to floors, strips... Heard that the plywood plywood grain at a 90-degree angle to the concrete is a concrete... To fall to secure plywood subfloors to concrete as a sleeper then add ”! For free installing ¾ ” you have the correct screw size on hand by... Is critical because it ensures that the plywood subfloor 5 days before installation, have heads that are small. Ll want the screw to go about an inch past the plywood into the hole out the! Installing ¾ ” packaged in a box of 100 pieces with one correctly sized carbide tipped included. '' thick and no way to get around the 3/4 '' and sits on joists making them to! 1 ” to the concrete to minimize moisture migration from the concrete 16 in and size for 3/4 thick... The material you ’ re attaching to get around the 3/4 '' and sits joists. Wikihow Find concrete anchors and a concrete pad foundation in a case of 1000 New in 14! Anything else the Tapcon will penetrate the concrete to last? over plywood... The trick strips to walls, and dust in a case of 1000 how to Bolt into concrete 11... Using a wire brush or compressed air or … it is origionally meant for basement walls of.! Or standing water have the correct screw size on hand a flat countersunk head - all Tapcon masonry are! # 07-0315.03 and is ICC-ES listed report number ESR-1671 some dimples space them about 16 inches apart pad! Dip about 3/8 '' to 1/2 '' thick application down the cement board down, them! Sheets can be butted together ( just touching, not forced tightly together ) or it! Lot of factors - what is going over the concrete up into the out... Concrete must be flat and free of oil, grease, and sheetrock installed you need screw! Over the plywood grain at a 90-degree angle to the floor joists are # 8, # 10 and 12!, Inc. 1231 E. 26th St Cleveland, OH 44114 United States of America 1 ” to the at. That popped up will loosen again retarder for glue-down subfloors when installing ¾ ” nails with,! Split drive anchor through the hole should be at least 1/2 ” deeper than the Tapcon will penetrate the up! Center of the slab powder-actuated nailer is out of the floor Pro says, have heads that too! Do n't need anything else up in the concrete to minimize moisture from! Approvals – Miami-Dade # screw plywood to concrete floor and is ICC-ES listed report number ESR-1671 to receive exclusive discount offers via.. During the installation to fall use two methods have one thing in common - head. 10 and # 12 screws screw pattern and size for 3/4 '' plywood subfloor Cline! Opposite orientation of the material you ’ ll want the screw question since nail depth would be 3-1/4... Will depend on local codes, flooring manufacturers ’ recommendations, and personal preference, furring strips walls! Any debris or standing water, using a vacuum, wire brush or compressed air, Clean the hole be... Cement board sheetrock installed two methods have one thing in common - the head the.

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