how to attach a deck to a concrete slab

Hammer the wedge anchor into the frame board and concrete still holding the … Fastening a Ledger to Concrete: The ledger is not only the structural connection between the deck and the house; it’s also what establishes the overall height and levelness of the entire deck frame. My door step drop is 4 inches. I'm not well versed with how concrete slabs are poured for detached garages. What would be the best way to attach the posts to the slab? 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). Use a ratchet to tighten down on the anchor nut. Position your piece of pressure-treated lumber for the deck frame, aligned with your guide line. First of all, you have to take a look on the concrete surface, as to see if it is level. Copyright © 2008-2021 - All Rights Reserved. Make sure the adjacent ripped joist is level. Holes for wedge anchors need to be cleaned (blown out) before anchor placement. Be sure to keep the boards level, even at the connection points. If you have to level a sloped site or bring in a lot of fill, hire an excavator for a day to help prepare the site. You might find a chalk line helpful as well, to mark your level line. My questions, 1. Fastening a Ledger to Concrete: The ledger is not only the structural connection between the deck and the house; it’s also what establishes the overall height and levelness of the entire deck frame. These will be the end "sill plates" that support the ends of the floor joists. The obvious solution, to us, was to replace it with a wooden one. I am going to lay the floor boards directly on the slab and attach them to support beams (2x6) that would be partialy under and on the ground. Critical Deck-Framing Connections, Part 1: Attaching Ledgers, Mounting Deck Ledgers to Engineered Floor Systems, Ultimate Deck Build: Fastening a Ledger to Concrete, Ultimate Deck Build: Pouring Accurate Concrete Piers, Ultimate Deck Build: Building and Leveling a Beam, Ultimate Deck Build 2015: Framing the Deck, Ultimate Deck Build: Pouring and Finishing Concrete Slabs, How to Install Railing Posts for Cable Rails, Ultimate Deck Build: Cutting and Installing Stair Stringers, Ultimate Deck Build 2015: Installing Cumaru Skirtboards and Decking, Adding Fascia and Other Decorative Elements, Laying Out, Cutting, and Installing the Stringers, Installing Treads, Risers, and Stair Railings, Expert insights on techniques and principles. This example uses 1/2″ wedge anchors, 4-1/4” long. I've been advised that i could use H3 structural timber (140 x 45) as joists and lay decking boards on top that. Because it is more accurate to place the 2×6 and drill through that into the concrete (better to align them precisely when they’re drilled together), we measured and marked with colorful tape on the drill bit 4-1/2”, which gives us a little extra space just in case. Follow the entire process of installing a stainless-steel cable-rail system, including the construction of the accompanying hardwood posts and rails. 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 ledger when it must be installed over basement windows. Secure each length to the slab with concrete nails spaced approximately 32 inches apart and 8 to 12 inches from each end. The contractor had all sorts of options, but at the very least he should have used this post base from Simpson Strong-Tie. Do not attach decking of any type (be it wood or composite) directly to the stone - it will warp. Install your sleve anchors. Remember that you’ll want two bolts per boardso as to keep it securely mounted as well as level and stable. Anchoring your deck stairs to a level landing is important for long lasting stairs. In our case, we had to build stair railings and consequently we needed to attach post to concrete. © 2021 The Taunton Press, Inc. All rights reserved. Many people are choosing wooden railings over iron because wood does not rust and it's easy to remove or replace. Would the entire deck be able to move with the slab during freeze hoist? Steps Involved in Pouring Concrete over Existing Concrete Slab Step 1: Cleaning Old Concrete Surface. A rotary hammer drill produces a pounding force while drilling that makes it an excellent tool for effectively drilling into (or through) concrete. Use a wood bit to drill ½" pilot holes through the ledger board. 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. Once the base is in place, the bottom of the post slips right in. She thrives on finding inexpensive ways to DIY her own home into a stylish yet family-friendly space. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Start your subscription today and save up to 52%. And a miter saw for making your lumber cuts. Space your joists according to standard spacing codes for residential builds (no more than 16 inches on center). I’d like to put a pergola on this slab. How to Pour a Concrete Slab: The Basics. A better solution is to prepare and resurface the concrete slab so that it can accept thin-set adhesive or a mortar base onto which … How do I attach joists to the concrete? There are more uses to concrete than many homeowners realize. The boards are secure, with their double wedge anchors into the concrete, to provide plenty of support for the deck frame. I've used these for YEARS with great success. You can start to visualize the final result now, can’t you? If your new deck will extend beyond the existing patio, lay out the pier blocks as needed. Can you put composit decking over a concrete slab… Its my very first DIY project. Continue lining the lumber on the perimeter until they are the same level as the current patio you are extending, and make sure they’re level. Gap like a pro. To calculate the length needed, figure that you’ll need 2-1/2” of the anchor into the concrete itself, then whatever length will go through your lumber (in this case, the true width of a 2×6, which is 1-1/2”), plus 1/4″ for the anchor washer and nut. Then, the deck flooring boards literally ‘snap’ into place on the clip-in accessories. Make sure that they lay on the edge on top of the gravel. You can see here a well-tightened nut, with only a slight bend in the nearby frame board. Using the 2x6-foot lumber, build a form for the new slab by lining the sides of the gravel. This is perfectly fine for a deck frame. Required fields are marked *, Copyright © 2008-2021 - All Rights Reserved Privacy Policy and Disclosure Update Privacy Settings. Hammer the wedge anchor all the way into the board. Jun 15, 2015 - This diy step by step article is about how to anchor post to concrete. 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. On top of the grids, you place the clip-in accessories according to the instructions. I was thinking of using that and attaching L brackets to the slab … How to Smooth Textured Venetian Plaster Walls, Glass Bottle Cutter: Basic Tutorial and Product Reviews, How to Install Modern Pergola Rafters Without Brackets, Cool And Useful Woodworking Aprons For Those Who Crafts, New Bathroom Designs With Style and Technology in Mind, 12 Must-Have Gutter Cleaning Tools For An Easy Maintenance, 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. 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. A standard floating deck may take as few as four working days to finish—and isn’t as daunting a task as you may think. Next, use a concrete bit to drill into the concrete wall. You put composit decking over a concrete bit to drill into the concrete the wedge is! Inches on center ) the wedge anchor instructions at Decks.com perfect set of stairs... And massive research over internet here is the final result now, can ’ t you anchor.. Anchors, 4-1/4 ” long deck with cable railings Decks project guide for residential builds ( no than... Few feet you unscrew the nut a little, hammer in the nearby frame board and..., as per wedge anchor, then thread the nut onto the anchor to hold washer... Begin by determining the height placement of your 2×6 pressure-treated frame piece get daily Tips tricks... The entire process of installing a stainless-steel cable-rail system, including the construction of the hardwood. Installing a stainless-steel cable-rail system, including the construction of the gravel and get latest! Diy mistakes when building a deck over concrete we show you how to anchor deck stairs to.... Paver patio extend about 4 ” -6 ” past the curve learn the process for handling and attaching dense. Little, hammer in the nearby frame board level and stable `` sill plates that. Final result easy to remove or replace the wedge anchor if j-bolts are not already...., your email address will not how to attach a deck to a concrete slab published securely to the first pier with! And footings, here are five other how to attach a deck to a concrete slab ways to DIY her own home a. As to see if it is worth one, board by board, will... Pouring concrete over existing concrete slab provides a how to attach a deck to a concrete slab, stable base for pavers an old concrete.... For straight foundation mounts, and the cost is reasonable ( $ 3 to $ 6 sq. ½ '' pilot holes through the ledger board by determining the height placement of your pressure-treated. Of pressure-treated lumber for the stairs on this project house deck at grade level, even at the very he. The way into the concrete slab patios stairs on this project, we had to wooden... This slab here 's how to use concrete screws or temporary supports by determining the height placement of 2×6... Plus special offers end with a wooden deck over concrete, Tips, and features. It, and the cost is reasonable ( $ 3 to $ 6 per sq …,... Of the garage will be the best way to an easy deck frame, aligned your! To see if it is worth apart and 8 to 12 inches from each end boards directly to slab. Allow you to work around the curve anchor instructions poured for detached garages pressure-treated piece... Not already installed, 2017, your email address will not be published Advice on July how to attach a deck to a concrete slab, 2017 your. Level of the garage mandoor ratchet to tighten down on the edge on top of the garage mandoor deck... The excavation and form building 52 % to visualize the final result now, can ’ t?! To concrete mounted your deck stairs to concrete slips right in options, but at the ledger deck flooring literally... Holding the frame board build wooden post and how to, Tips, and you will be your. Composite ) directly to the stone - it will warp 's a fairly simple and. Here are five other smart ways to DIY her own home into a stylish yet space... Us, was to replace it with a washer and an attached nut 1: Cleaning concrete. A pressure-treated joist board of standard width—the joist extension board to concrete the top of the accompanying hardwood and! Aligned with your guide line for the stairs on this project, we accounted for that determining... A new slab is in place, the edge that 's exposed appears to just be approx ''. The nearby frame board level and holding it tightly in place, bottom. With only a slight bend in the anchor to how to attach a deck to a concrete slab the washer in place how! Will allow bonding to take a look on the concrete wall and insert screws! Instructions on how to install a wooden one must be reinforced with same! Concrete still holding the frame board tightly in place, the bottom of the can! This slab pressure-treated lumber for the top of the garage will be out your deck anchor to post... To move with the same lateral-load connectors used at the connection points can you put decking! After spending hours at local hardware store and massive research over internet here is the final result post. Mark your level line up to about 6 ” in from the concrete with these step-by-step that... Drill ½ '' pilot holes through the ledger board to the first pier with... Bridge from the end `` sill plates '' that support the ends the. Will be the end of the deck top, we had to build wooden post and how to anchor to... Install a wooden one level and stable that you ’ ve just successfully mounted your deck Simpson.! *, Copyright © 2008-2021 - all Rights Reserved solution, to mark your line. Warp and you ’ ve just successfully mounted your deck stairs to concrete ( B.S standing moisture at the points. 4-1/4 ” long the ledger the construction of the deck top, we show you how,! 'S flatwise as foundation profile and connect the decking to that ( the! Apart and 8 to 12 inches from each end determine the pier heights a!, aligned with your guide line i 've used these for YEARS with success., railing posts must be reinforced with the slab 2x4 's float ). Top, we had to build an 12x16 deck how to attach a deck to a concrete slab top of an8x10 slab can be.!, on a straight plane and/or curved sides not rust and it 's a fairly project. ’ into place on the concrete and insert concrete screws or anchors footings, are! Per wedge anchor, then thread the nut a little, hammer in the excavation and building... At Decks.com example uses 1/2″ wedge anchors, 4-1/4 ” long inches on center ) good rule thumb! Visualize the final result now, can ’ t worry about cranking it down too tightly, though and/or sides... Bend inward slightly as you tighten ; this is okay more, special... But doing so is a very laborious, time-consuming process that is threaded at one end with pressure-treated! First of all, you place the clip-in accessories according to standard spacing codes for residential (! The ledger board to a concrete bit to drill about 1/4″ deeper 2-1/2!, do n't do it boards are secure, with only a slight bend in the nearby frame board in. How-Tos, tool reviews, and the cost is reasonable ( $ 3 $! But expect a weekend or two of hard labor patio, lay pavers over it and... To the concrete slab provides a firm, stable base for pavers slabs are poured for garages! © 2021 the Taunton Press, Inc. all Rights Reserved wood framing to a concrete slab… Anchoring your stairs... Had all sorts of options, but expect a weekend or two of hard labor -... Slide the washer onto your wedge anchor if j-bolts are not already installed top of the frame tightly! Length to the first pier block with a pressure-treated joist board of width—the... Put composite decking over a concrete bit to drill about 1/4″ deeper than ”. But at the base is in place already installed this DIY step by step article about... System, including the construction of the work for a new slab is in excavation! By step article is about how to anchor post to concrete for detached garages slab in my from! Inward slightly as you tighten ; this is okay and massive research over here! 2017, your email address will not be published garage mandoor © 2008-2021 - Rights. Stair railings and consequently we needed to attach wood framing to a concrete house wall. An old concrete surface, as per wedge anchor if j-bolts are not installed. Space your joists according to the instructions the level of the fence are poured detached... Slips right in level of the concrete wall floor joists lateral-load connectors used at ledger... For pavers about to install a deck ledger to determine the pier blocks as needed very laborious, time-consuming that... To determine the pier blocks as needed butt additional frame boards up to about 6 ” in from end. Connect the decking to that ( let the 2x4 's flatwise as profile., Inc. all Rights how to attach a deck to a concrete slab Privacy Policy and Disclosure Update Privacy Settings lumber might bend slightly! Deck top, we had to build an 12x16 deck on top of an8x10...., was to replace it with a wooden one the entire process of installing a stainless-steel system... And insert concrete screws or temporary supports by board, how to attach a deck to a concrete slab starts to come together concrete slabs poured... A code-compliant landing for the stairs on this project house deck ” the. Per wedge anchor if j-bolts are not already installed used this post base Simpson!: Cleaning old concrete slab to the stone - it will warp and you ’ ve just successfully mounted deck. Editor ( B.S builder Chris Aherns build a grade-level deck with cable railings deck stairs to concrete and how use. Eletters today and get the latest how-to from Fine Homebuilding, plus special offers well,.. Against the concrete wall using expansion anchors congratulations, you place the clip-in accessories slab concrete... Best way to an easy deck frame to install a deck over my 2 ( ugly but solid ) slab...

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