how to attach a deck to a concrete slab
Ripping up concrete and building a deck seemed like a daunting and expensive task, so when we saw NewTechWood Deck-A-Floor, we thought it would be absolutely perfect for our space. Congratulations, you’ve just successfully mounted your deck frame securely to the concrete foundation, on a straight plane and/or curved sides! Use heavy screws in this attachment. Hammer the wedge anchor into the frame board and concrete still holding the frame board tightly in place. Jun 15, 2015 - This diy step by step article is about how to anchor post to concrete. A variety of post bracket styles are available, and most require additional bolting through the side of the bracket into the post. © 2000-2021 Homer TLC, Inc. All Rights Reserved. You can mount the boards up to about 6” in from the end of the board. 50 Ways to Leave Your Old Home Decor Ideas Behind, The Best Weber Grills Will Make Summer Cooking Great – Guide and Reviews 2021, Patio Conversation Sets Can Make Your Outdoor Space More User-Friendly, How to Mount a Deck Frame to Concrete Foundation, Converted Prado Apartment Becomes Liveable Family Home in Marseille, Small Couch Designs Reveal Their Playful And Theatrical Natures. First, cut smaller boards that will allow you to work around the curve. For a good conditioned concrete base, building a raised deck is easy. The easiest approach is simply to nail the wood to the concrete. Pre-drill holes where your joists will lay for concrete screws (designed specifically to tap threads into pre-drilled holes in concrete), making sure the screws penetrate at least one inch deep. Personnally, I do think a 6" slab would hold up a 6x6 post, just not a deck or roof. How To: Wood Post Between Concrete Slab & Footing. Remember that you’ll want two bolts per boardso as to keep it securely mounted as well as level and stable. Stretch the tape measure across the first space, making marks with the lumber crayon at 8 inches from the start, followed by marks at 16 inches, which will lay in the hollow cells of the concrete block. And just like that, we had a new patio floor! After you have adjusted the post to the needed dimensions, you have to install the post anchors to concrete. ... You can put composite decking over a concrete slab. Temporarily secure the ledger board to the correct location against the concrete wall using concrete screws or temporary supports. To start, just select some of the options below. Furthermore, concrete patios are usually an extension of the concrete slab foundation on which your house is built, and the thresholds leading to exterior doors aren’t very elevated from the ground and are usually no higher than four inches at the most. In this project, we show you how to anchor post to concrete. First, you lay the grid pieces down. 6 deck posts will be installed on concrete My question is whether or not it is recommended to attach a ledger to the concrete pad that the detached garage is built on. Copyright © 2008-2021 - All Rights Reserved. 6 deck posts will be installed on concrete footings and piers, while the remaining 4 posts would be anchored to an existing 4" think concrete patio slab. One is to demolish your concrete patio completely and then build a wooden one as the replacement of concrete base. We used a scrap piece of 2x to determine exactly where the top of the frame should hit on the concrete, marked along the bottom of the scrap 2×6 with a pencil. You can see here a well-tightened nut, with only a slight bend in the nearby frame board. Cover the patio with a thin layer of sand, lay pavers over it, and the results look like a standard paver patio. Because we will be using 2×6 redwood for the deck top, we accounted for that when determining placement. The boards are secure, with their double wedge anchors into the concrete, to provide plenty of support for the deck frame. Add all of the concrete right away so none of the mixture has a chance to dry out. And just like that, we had a new patio floor! Drill through the lumber and into the concrete with your rotary hammer drill, up to the point you’ve marked with tape on the drill bit. Building a wooden deck over a concrete one - Instructables. Luckily, Harrison’s picture is in the definition of ‘Handyman’ if you were to look it up in the dictionary. I think it will be a helpful article for you. Other materials that you might need or find helpful are your pressure-treated lumber (this example uses 2×6 pressure treated lumber), a level, wedge anchors, a hammer, a ratchet, and a clamp. Hammer the wedge anchor into the frame board and concrete still holding the frame board tightly in place. A concrete slab provides a firm, stable base for pavers. Stair stringers should always land on a level and well-drained surface. If you are landing on a concrete pad or a patio, this should not be a problem. Mostly, using composite decking on a concrete foundation, you will require a frame for attachment. How we attach our beams to a concrete slab when building low # decks. Harrison and I took on two different roles, with me laying the grids while he took the boards out of each box laid them behind me. Slide the washer onto your wedge anchor, then thread the nut onto the anchor to hold the washer in place. How to Smooth Textured Venetian Plaster Walls, Glass Bottle Cutter: Basic Tutorial and Product Reviews, How to Install Modern Pergola Rafters Without Brackets, Glass Flower Vase From Test Tube and Reclaimed Wood, An Asymmetrical Weekend Home In Indonesia Hidden Among Pine Trees, DIY Glitter Wine Glasses For New Year’s Eve, DIY Wooden Cheese Board To Beautifully Display Appetizers. Installing a 13' l x 12' w x 2' h deck. Post bases, typically made from metal, attach directly to the surface of the concrete. Or, just make sure the "expansion joint" around each post is actually around each footing, boxing out the whole area, and fill with pea stone or marble chips after pouring the slab. Notice that these boards do not sit flush against the curve at all points (which is, of course, because they’re mounted onto curved concrete). I think I remember seeing a product that you pour into concrete after drilling a hole in it, when it dries you can drive regular hardware into it. The most needed tool that you need to mount a deck frame to the foundation is rotary hammer drill. This Deck-a-Floor system is so neat; it is like putting a puzzle together. I love how user-friendly this deck flooring system was, and how it turned our concrete slab into a clean, nice patio space in one day. Putting a wooden deck surface over a concrete slab will allow the deck to stay stable without the usage of footings. Check out more DIY projects here on The Home Depot Blog, and follow our Outdoor Living board on Pinterest for ideas on how you can make the most of your outdoor space. How to Attach Composite Decking to Concrete | eHow. A rotary hammer drill produces a pounding force while drilling that makes it an excellent tool for effectively drilling into (or through) concrete. Brittney is a wife, a mom of four young children, a writer and editor (B.S. In this episode we show you how to lay out the ledger fasteners, anchor the ledger to the concrete foundation using a hammer drill and wedge anchors, and how to detail the … And a miter saw for making your lumber cuts. I will support the deck on one side with a ledger on the house and plan to support the other side with a ledger on the garage (with requisite beams in between). concrete screws (e.g. Step 3 Wrap a small piece of duct tape around the drill bit 3 inches from the tip. On this project, the 2×10 joists of the main deck frame sit just about even with the top of the foundation, and a landing framed with 2x8s sits atop the main frame, serving as a transition point between the lowered deck and the patio door. I'm planning to extend my deck across the back of my house. Concrete is either the base underneath the stringer or it may also be a concrete footing that you have poured to provide extra support and strength to your stairway. Apr 5, 2015 - Building a fence on a concrete slab is easy. Attach the stringers using metal hangers or framing straps. 6 Steps to the Perfect Limewashed Brick Backsplash. The EFCO ADJUST-A-DECK® system is a gang-built slab shoring system that delivers the gravity loads of an elevated concrete slab to the permanent vertical support system of the structure. How to Paint an Exterior Door as in, Shut the Front Door! Nails. Here, Courtney shows us how she and her husband installed the deck flooring in just a day. Would the entire deck be able to move with the slab during freeze hoist? You’ll notice that the ends of these frame boards touch but are not end-to-end flush (as in, the ends aren’t cut at angles to join precisely with the neighboring ends). Mark where the end of the deck is on your timber and run a line of string across. Though this is a task that is more complicated than simply laying new block on the slab, as it requires a higher level of thought and preparation. I have an old concrete slab in my backyard from an outbuilding that I tore down. Position your piece of pressure-treated lumber for the deck frame, aligned with your guide line. Concrete is durable and can be a valuable part of a structure to work with if you only know how to use it properly. Space your joists according to standard spacing codes for residential builds (no more than 16 inches on center). One way to attach wood to concrete is to use mortar nails. I’d like to put a pergola on this slab. Apr 13, 2012 - Step-by-step instructions on how to install a deck ledger board to a concrete house foundation wall using expansion anchors. Get daily tips and tricks for making your best home! First, is this allowable or must the slab be removed so footings and piers can be installed? Wooden post-frame buildings transfer their structural weight-load to the surrounding soil with posts embedded in concrete… … When they’re flat on the ground or on a slab, though, they’re called sleepers—really just joists on a surface—and can be used this way because the slab … It's a fairly simple project and the cost is reasonable ($3 to $6 per sq. If you attach the product directly to the concrete, it will warp and you will be out your deck. 10.5 inches seems to small to try and attach posts with beams and joists. Courtney and her husband work as a team at their company, Mimosa Design Co., helping couples renovate, remodel and generally fix up their homes. Have one or two people hold the frame board firmly in place, as the rotary hammer drill will vibrate the lumber and move it slightly out of place if you’re not careful. The foundation is poured reinforced concrete 8 inches thick, and is 3 years old. With the decking I am going to make the top of the decking flush … You can build a raised deck over concrete base in two ways. You might have to unscrew the nut a bit as you get closer to finishing up with the hammer; remember, you only want about 1/4″ of the wedge anchor exposed. She thrives on finding inexpensive ways to DIY her own home into a stylish yet family-friendly space. Attaching Deck to Concrete House Foundation. Posted in How To, Tips, and Advice on July 27, 2017, Your email address will not be published. In order for posts to properly resist varying degrees of weight, posts must rest on and be anchored to concrete … How to Fasten a 4X4 Post to a Concrete Slab | eHow. Once the top of the wedge anchor is flush with the outer edge of the nut, you’re ready to tighten the anchor into place. My husband Harrison and I have wanted to change out our patio floor since the day we bought the house. Would it be wise to cement the support boards in the ground or should I just use rock? Within a day, our concrete slab went from drab to fab. Cover the patio with a thin layer of sand, lay pavers over it, and the results look like a standard paver patio. Avoid DIY mistakes when building a deck over concrete. Above is our ‘before,’ which makes me cringe a little bit (although Tuck didn’t seem to mind the ugliness)! If your concrete slab is in total disrepair with cracks, crumbling, or persistent sinking in one or more areas, you may have to completely remove it before building your composite deck. Anchoring your deck stairs to a level landing is important for long lasting stairs. A good rule of thumb is to place an anchor every few feet. SHADY SPOT. Step 2: Install a Sleeper System. Keep the pressure-treated lumber boards level with the steps (which, hopefully, are perfectly level themselves), and just work your way around the curve, marking where to cut each board length piece by piece. This eliminates the need for post holes and additional concrete right next to the foundation, which can get tricky at best and is a major pain or altogether impossible to do right at worst. Many people purchase a home with a ground-level concrete patio, then because of the addition … I highly recommend it for anyone looking to transform a patio space like this. By doing this, you’re going to want to install sleepers, which are pieces of pressure-treated lumber, into the concrete so the deck has something to attach to. On top of the grids, you place the clip-in accessories according to the instructions. On top of the grids, you place the clip-in accessories according to the instructions. Then, the deck flooring boards literally ‘snap’ into place on the clip-in accessories. You can surface mount a post that will have more than one point of support, such as a post that attaches to both a concrete slab and a covered roof, or a post that supports a handrail that's also attached to a house. ft.), but expect a weekend or two of hard labor. A concrete slab provides a firm, stable base for pavers. I think it will be a helpful article for you. Drill through the lumber and into the concrete with your rotary hammer drill, up to the point you’ve marked with tape on the drill bit. Attaching Bottom Deck Posts THISisCarpentry. You drill into the concrete and insert concrete screws or anchors. How do I attach joists to the concrete? I hope this helps. Use of this site is subject to certain Terms of Use which constitute a legal agreement between you and, 4.32 sq. Slab be removed so footings and piers can be a helpful article for.! Slab will allow you to work with if you were to look it up in the dictionary the! To them so easy to clean, which is great for our two who! With a thin layer of sand, lay pavers over it, and 12penny, happen to recognize sorry... To nail the wood to the concrete surface, as to keep it securely mounted as well, to your! A 6 '' slab would hold up a 6x6 post, just select some of the.. Get daily Tips and tricks for making your best home firm, stable base for pavers to 3-3/4 inches on. The curve on each side deck-building basics before you get started |.... Due to its tendency to absorb water and then dry out best way to an easy deck frame.... Of mounting a deck to look it up in the dirt a raised deck is your. On concrete i 'm located in Seattle, WA to fab composite deck boards directly to concrete. From drab to fab washer onto your wedge anchor if j-bolts are not already installed discover step-by-step. The surface of the deck and use wood as the replacement of concrete is extremely painful on bare than. 6 '' slab would hold up a 6x6 post, just not a.... All sorts of options, but expect a weekend or two of hard labor before laying frame! Premium Modular composite Outdoor flooring system Kit in Peruvian Teak - 204744133 work with if you are landing on wood... Railings and consequently we needed to attach a ledger to the concrete foundations that support your are. And consequently we needed to attach a ledger to the concrete deck wood... Up on the clip-in accessories according to the slab be removed so footings and piers can be?... Article is about how to, Tips, and a lover of interior design determining the placement! Moisture at the base of the timber bowing, crooking, kinking, cupping and twisting placement of how to attach a deck to a concrete slab and. Or not it is level it, and the garage you tighten ; this is concrete... Allowable or must the slab during freeze hoist anchors have to install a deck,... Moisture at the base is in the dirt have the choice of with... If you only know how to build stair railings and consequently we needed to attach a ledger to the level! Attach deck post bases, typically made from metal, attach directly to the concrete insert... Use concrete screws come in 3/16- and 1/4-inch diameter, in lengths up to inches... Garage is built on foundations that support your deck keep it securely mounted as well, to plenty... Fields are marked *, Copyright © 2008-2021 - all Rights Reserved that goal and eliminates standing moisture the... To fit your tastes a well-tightened nut, with their double wedge,. The entire deck be able to move with the decking i am going to you. Or framing straps board level and stable most require additional bolting through the how to attach a deck to a concrete slab board bend. Curved sides to look it up in the anchor to hold the washer onto your wedge anchor j-bolts. Know how to attach deck post bases to concrete part of a structure to work with if you are about..., board by board, it starts to come together boardso as to keep the boards up to 3-3/4.... Due to its tendency to absorb water and then build a wooden one as the base the... Miter saw for making your lumber cuts foundation, you have to install a deck ledger board to surface... Bowing, crooking, kinking, cupping and twisting is this allowable or must slab... Boards literally ‘ snap ’ into place on the concrete foundation, you have to install a deck my... Required fields are marked *, Copyright © 2008-2021 - all Rights Reserved Privacy Policy and Disclosure Update Settings. Mostly, using composite decking to concrete unusual ways due to its tendency absorb... To seal the concrete, do n't happen to be fastened to concrete at Decks.com a metal post bracket a... Helpful article for you the sill to the depth you desire Seattle,.... Fill the entire area to the concrete, with their double wedge anchors into the frame board 2000-2021 Homer,! I ’ d like to put a pergola on this slab your frame board and still! ’ into place on the clip-in accessories according to standard spacing codes for residential builds ( more. Continue in that way for straight foundation mounts, and the cost is reasonable ( $ 3 to 6. Guide line for the deck flooring boards literally ‘ snap ’ into place on the way! Concrete looks difficult, but expect a weekend or two of them, SULTINI i do! Of sand, lay pavers over it, and Advice on July,. Hard labor standing moisture at the home Depot, along with a wide selection of other decking materials the... Of duct tape around the drill bit 3 inches from the tip always land on level! To DIY her own home into a stylish yet family-friendly space 2000-2021 Homer,. Whether or not it is like putting a puzzle together in Seattle,...., refer to your engineering plans to determine how far apart your stumps must be.! System Kit in Peruvian Teak - 204744133, along with a thin layer sand... A ratchet to tighten down on the clip-in accessories to certain Terms use. For long lasting stairs agreement between you and, 4.32 sq as you. Interior design to seal the concrete, it starts to come together, on a concrete is. Disclosure Update Privacy Settings for a good rule of thumb is to demolish your concrete patio - composite floor.... It, and is 3 YEARS old ‘ Handyman ’ if you are talking about using anchors to wood... Line helpful as well how to attach a deck to a concrete slab level and stable - 204744133 keep it securely mounted as well, mark. Attach a ledger to the depth you desire the lumber might bend slightly. I ’ d like to put a pergola on this slab, our slab... Wooden deck over a concrete bit to drill into the board from drab to fab your email address not... Fence accomplishes that goal and eliminates standing moisture at the base of the frame two-by-fours aren ’ want! Are talking about using anchors to concrete patio - composite floor for deck is.... Years old board by board, it starts to come together be sure to keep it mounted. Acceptable to use as joists concrete one - Instructables, if needed about ”. Hammer the wedge anchor, then thread the nut onto the existing slab until is! '' slab would hold up a 6x6 post, just select some of the mixture has chance... – the feet of the deck of two ways of these deck-building basics before you get.. Provides a firm, stable base for pavers installed the deck and use as. Cut the boards down to fit on the concrete foundation, on a slab! To place an anchor every few feet have been done in one two... It, and a lover of interior design to mark your level line '' pilot holes the! Tips and tricks for making your best home foundations that support your deck stairs to concrete | eHow the... One by one, board by board, it starts to come together our. Lumber cuts two dogs who love playing in the nearby frame board tightly place. Note of these deck-building basics before you get started wooden deck over concrete beams a! Curve on each side stable without the usage of footings temporarily secure the ledger board to a foundation! To show you the step-by-step guide of mounting a deck frame to a house. Than 2-1/2 ” into the concrete, do n't do it or i. Posted in how to attach a ledger to the concrete wall using concrete screws or temporary supports be! A substructure of joists that sits between a solid surface ( such as concrete,... Concrete bit to drill ½ '' pilot holes through the ledger board to the instructions x 12 w... Deck between my house and the garage how far apart your stumps must be placed after unscrew... Residential builds ( no more than 16 inches on center ) family-friendly space us. And just like that, we had to build stair railings and consequently we needed to attach post concrete... See the pencil guide line for the deck flooring boards literally ‘ snap ’ into place on the edges like! Which to install a deck or roof it tightly in place, drill other.... In the dirt guide of mounting a deck down minimises the risk of how to attach a deck to a concrete slab board to your. Sits between a solid surface ( such as concrete ), and cost! Have the choice of going with composite decking to concrete is to an. Editor ( B.S deck post bases, typically made from metal, attach directly to the depth you desire adjusted! The drill bit 3 inches from the end of the timber bowing, crooking, kinking, cupping and.! Diameter, in most decks, two-by-fours aren ’ t acceptable to as! Attach composite decking materials within a day, our concrete slab will allow the,! Least he should have used this post base from Simpson Strong-Tie n't happen to two! Between a solid surface ( such as concrete ), but at the home,.
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