Never build a deck before? A good start in figuring out a deck’s footings. These blocks will form your deck’s foundation and will need to be even. Floating decks are also called ground-level decks because they typically hug the ground. Do you remember the thickness of the boards you used? Hi Stephanie! So how has the deck held up? Make sure ALL the posts are level with each other (across the width and length of the deck). https://www.decks.com/how-to/articles/deck-footing-spacing-layout When your DIY floating deck is built on deck blocks, you create greater stability for your deck in addition to improving ventilation. Work your way across making sure to stop and check that your boards are still straight every few feet. Decide how you want to support your deck [9.12.2.2. This gives me the courage to replace our existing deck with a floating one. Frame the steps for the floating deck next. Also I want to clean under and check for ants which I see more of on deck. Using a circular saw, you’ll cut seven 2 x 6 boards to 93 inches for your joists. If your deck is 6 feet or less with proper post to beam and joist bracing, it is a perfect candidate for a floating deck. Repeat on each plank. For example, if it's just a walking area and nothing else, 8' is the furthest you go apart. It’s really easy and something you can definitely do yourself. The answer depends on the size and shape of your deck, the size of your footings, and the size of your beams. For most situations, you will want to place footings and posts less than 8' apart. This is totally optional but if you have a lot of grass still under your deck you might want to put down a layer of landscape material. Love this plan!! We used the MicroPro Sienna deck boards, I think they are 5/4” . Install your floating deck flooring by measuring all of the boards and trim them as needed so they’re even. i love this! We used ~48 joist hangers for this deck. The larger and stronger the beam is the larger the footing space can be. We have started the deck. To plan and lay out the deck and watch a video of the entire project, see the first part of the series: Planning a Floating Deck. A couple of weekends later Chris went back and added some skirting around the sides of the deck which help to prevent critters from getting under it (and gives it a nice finished look). You’ll also have two boards at 10 ft serving as your end joists. The wood was not staggered and now it’s sagging in front middle. Although the cost of a floating deck can vary based on size and the type of materials used, they are typically cheaper than an elevated deck since they don’t require stairs or railings -- which can often be the most expensive part of building a deck. Use a level to ensure every deck block is at the same height as one another. A floating deck may sound like something straight out of Aladdin’s magic carpet ride, but it’s actually a terrific way to describe this freestanding deck as a structure in your yard. I think we spent about $500 on this deck , Our floating deck is old but used composite material. Your joists will not all be the same length so go one at a time and measure carefully! Bonus: this rim joist will also help hide the concrete footings along that side of the deck. If you’re wondering how to build a floating deck over dirt, you’ll first need to choose a level surface and remove the grass/rocks and other material and rake it so that your ground is level in preparation for placing the deck blocks. Finally took some time during quarantine to complete a much needed deck rebuild to accompany our shed. above the ground where you step up on it. Once all your deck boards are installed use a circular saw to trim the ends in line with your rim joist. In general, posts should be spaced no more than 8 feet apart. If you need permits, for example, that will add to the floating deck cost and time frame. Often, the posts supporting them are not visible, … (It also helps to have a friend or partner assist you with this portion of the project as two sets of hands are better than one!) Shall not exceed 592ft2 in deck area [9.12.2.2. There are three default footing spacing in Canada, 4’ (1.2m),6’ (1.8m) and 8’ (2.4m) provided by the Canadian Wood Council. and from here on out things should go pretty quickly. Place a deck block in each hole and adjust the pea gravel as needed to make sure the footing is sitting completely level. Would you still recommend the same boards used? I’ve also put together some of deck building tips from when we built our big deck! Thank you for this step by step visual. The remaining half of the deck will again be split into two parts to be supported by the two corner footings. Don't use a lot of pressure because the thread will pull the screw down. When measuring, keep in mind that the typical deck joist spacing is 16" O.C. Jul 28, 2014 - This Pin was discovered by Cliff Neal. To give you an idea of what to expect if you plan to take on building a floating deck as your next home DIY project, we’ll walk you through some scenarios and helpful tips for planning to build a floating deck of your very own. Make sure before you build your deck you check with your local municipality. Properly installed footers and posts help ensure that a new deck is safe and stable. Wanting to add some functionality and much needed curb appeal to our backyard, we decided to build an island (or floating) deck in between our existing trees. Obviously these instructions can be adjusted if you want to build a deck that’s a different size! The cost to build a floating deck will depend on multiple variables, such as the materials you plan to use to build your deck. Floating Deck Materials. Depending on the how rolly-polly your backyard is you may have to dig some a bit deeper to keep the deck low to the ground. Less spacing will provide a firmer deck, though except in cases of anticipated extreme load it is a total waste of lumber! With our deck being … your own Pins on Pinterest Hammer the screws down a bit so they don't stick up. Double check the board is straight before you install it! If you multiply the area of this section 5’ x 5’, you will … (1)(a)(iii)] 4. The minimum height of the railing varies based on the height of the deck. Add additional soil or gravel around the concrete blocks if necessary to make them even. Either way, she offers some good ideas on how to build a floating deck similar to hers in your backyard, as well as some building and planning tips that come from her experience with this project. Since the deck is not situated directly on the ground, the blocks allow the wood to dry out easier and last longer, since it reduces water absorption that can lead to rot or compromising the structural integrity of a deck. This will prevent weeds from growing up through your deck. I’m planning on a 20×24 exactly as you’ve done here!! 3. Use a mitre saw to cut all your joists and install into the hangers. There are several reasons for distance between the house and the deck footings. Required fields are marked *. How many footings you need and how big to make them is specific to each deck. I love this…Going to start to build soon one week-end. It's important to check with local building codes to determine if and how the precast piers can be used to support your deck. This means you have options for your deck foundation that can save you time, money and effort. This might not be necessary for you depending on where you are installing your deck. The required depth of your footing is determined by your local code. How to Build a Floating Deck Frame The driveway or other flat space will make a good area to build your floating deck frame. Use a framing square to help you square up the deck frame with the concrete blocks. You’ll also have two boards at 10 ft serving as your end joists. enjoy your new space! Would this design support a large spa 8×8 it will way roughly 4,000 lbs. We then created a border using a deck board and mitred the corners. First, draw a line dividing the deck into two halves between the house and the footings. The maximum distance between footings is determined by the size of your joist material. To make installing your joist hangers a bit easier cut a small scrap of 2×6 and use it to figure out the placement of your hangers. Once all the posts are cut and in place it’s time to install the beams. Mark the placement of all of your joists – in our area we need 16″ between. Learn everything you need to know about installing concrete footings to support your deck. Deck Footings. If it’s going to be open on both sides you can install 2 rim joists. The spacing depends on the load up top. Here is a list of some common joist sizes and maximum “spans”. Continue adding decking, leaving about ¼ inch in between to allow for air circulation. Footing spacing for a floating deck, Dekblock piers in this process works best practices for belowgrade support structure fast and no footings are used to compute the home depot from post hole to that goes below the size and posts at least inches deep by a floating deck the concrete deck piers in some cases with the posts and a 2×4. Here is how I built a deck in my backyard. The deck has held up really well. Starting with your perimeter, mark the location of each deck post to locate the fitting position. To do so, dig your holes with a rented auger or post hole digger and pour the cement into the hole to create a footing. Does not support any roof structure [9.12.2.2. You might also be interested in the easy DIY stone flower beds that we created next to the floating deck or Chris’ tutorial for building a raised vegetable garden. In the steps outlined in this DIY floating deck example, we reference a deck situated on concrete blocks, which raises the deck for ventilation. Obviously these instructions can be adjusted if you want to build a deck that’s a different size! Five basic components make up any deck: decking, joists (also known as a ledger when attached to a house), beams, posts, and footings. Good Luck! Make sure all your joists will be flush with your beams. i wish the boyfriend would have let me go this route, b/c it looks great and was quick! A ground-level deck, sometimes referred to as a floating deck or platform deck, is so-called because, unlike conventional decks, a ground-level deck is not attached to a home or building. The beams rest on top of the post and are attached with hurricane ties and special screws. Cedar and Redwood are also comparatively less rot-resistant than other natural wood options, but can also be more expensive. Plastic or PVC decking is another cost-friendly option for a floating deck, but can be susceptible to cracks and peeling, even if they’re low to the ground On the flipside, composite decking -- made from a mix of wood fibers and synthetics -- can be found in a variety of price-points to suit your personal aesthetic. In addition to the cost of concrete blocks and boards, you’ll also want to investigate the cost and benefits of different types of decking. For us, we chose the southeast corner which is our highest point. In nearly all cases, you’ll require a permit to build a deck. Before you begin … Still sitting mostly level, or did you have a lot of settling? The materials and measurements listed are for the size we built. Amazing!! Or, if your deck has many angles, additional footings are necessary. 10 – 14′ 2 x 6 Brown Pressure Treated Wood (for joists). Huzzah! It needs a complete set of perimeter footings since it will be self-supporting and won’t tie into your home’s existing foundation. If the area receives frost, the piers can be installed above ground, but they normally require additional support underneath. To watch the framing process, take a look at the framing portion of our floating deck video. The rim joist(s) are the last pieces for you to install on the frame which you attach to the end of the beams using deck screws. The deck planks are made to have a gap between them, so use a small nail as your spacing guide at each joint. (7)(b)] 3. Our footings were placed equally within our 10′ x 12′ rectangle and we allowed for a 12″ overhang along the edge where our rim joist would be installed. If it’s close, just build up the … Terms of use, Selecting The Best Composite Decking Color For Your Home, Budget - Determines Deck Size and Materials. Discover (and save!) Footings are required for all foundations that support a deck [9.15.3.3. The larger the beam and footing size, the fewer footings that are required. Arrange your floating deck frame over the concrete blocks. Instead we had to use special joist hangers called Concealed-Flange Joist Hangers. Using a circular saw, you’ll cut seven 2 x 6 boards to 93 inches for your joists. You may be required to use different measurements than what we’ve used (space between joists for example) or you may be required to get a permit. Check out our deck footing frost map to help you understand how deep your footings will need to be excavated. Hi there, would you mind sharing roughly how much you guys spent on this project? Sep 30, 2018 - Explore Rob Simmons's board "floating deck", followed by 221 people on Pinterest. Located in the mountains of Colorado. To ensure a stable structure, you’ll want to take into consideration the size of your floating deck. It is a super quick build and it’s nice that it’s not a permanent structure . Use spray paint to mark the placement of each footing – trace an area slightly larger than each footing to show where to dig. Thanks for the tips and advice! The load for the section nearest the house will be transferred back to the ledger board and carried down to the house foundation. This is the second part of our How to Build a Floating Deck series. The more the better though, 6' is where I would go If you are connecting the deck to the house you will more than likely need to pour concrete footings that will extend beyond the frost line to prevent the deck from heaving up with a frost. Most Decks Can Be "Free Standing" or "Floating" Did you know this? To decrease the number of footings, but likely increase the cost of construction, you can instead use an engineered beam. In addition to one block at each of your deck’s four corners, you’ll want to space blocks at regular intervals in both a horizontal and vertical direction to evenly balance the weight of your decking material and ensure structural integrity. Building a deck can create an outdoor oasis for entertaining and alfresco meals with family and friends. Consequently, if you find it easily, you can even buy precast concrete footings. Decks 24 "to 5-10" (180 cm) need 36 "guards and anything above 5-10" requires a 42 "high railing. I find that cutting and installing the joists is the most time consuming part of the whole deck building process. The deck surface should be no more than 8 in. Chris and I try to get into a rhythm where I measure and make the cuts and he installs. In case you’re thinking of building your own floating deck I’ve put together all the details on how we did it. You can avoid additional footings by hanging stringers from the deck joists with metal angles or 2x4s. Some builders position them every 4 feet for a completely rigid frame. FLOATING DECK AND LANDING BUILDING GUIDELINES For decks that use deck blocks and not full foundations Criteria For Using Deck Block Foundation 1. Doing the calculations takes only a few minutes, ensures that I’m following best building practices, and keeps me from digging more than necessary. To give the edge of the deck a more finished look we cut the ends of the deck boards a little shorter than the structure (width of deck board minus overhang). Assess your terrain where you intend to build your floating deck. The concept of a floating deck implies the following fact: the joist structure is not secured by any bolts to the footings. However, if your deck will include a hot tub or roof, you must support that weight with additional footings. (7)(d)] It's a "floating deck," which means it simply rests on blocks at ground level, and is not anchored deeply in the ground. If you’re ready to find your floating deck materials, check out our find a deck builder page for long-lasting Trex products. This is called the tributary load. We recommend pre-drilling holes for these to prevent any splits. There is no value having additional footing next to your house to prevent structural damage to the house if the footings beside the house create … Starting at one end of your deck, figure out the placement of your first deck board. A floating deck, while not attached to your home, differs in that it does not always require permits or approvals from your local building office. In this manner, you will be better off, as you won’t have to mix concrete and pour it into tubes. (7)(c)] 2. The size of your deck, for instance, 8’ x 10’, will dictate how many concrete blocks you’ll need to create a stable, elevated surface. Make adjustments as you go if needed. It’s great if you can split that tasks with a partner. To finish your floating deck and make it last, you’ll want to stain or seal it for protection against the elements if you’ve chosen natural wood. Working from your selected corner cut 4×4 posts to sit in the footings and hold the beams level. Thinking about building a floating deck? However, if your deck boards have any moisture in them you may want to push them tighter together as they will shrink when they dry. Your email address will not be published. It really is a fun and satisfying project ? Shall have a maximum clearance of 24” from existing grade to the underside of the deck floor joists. Thank you!! If you're building a simple deck, footings and posts should be placed less than 8 feet apart. Lay the boards out in a rectangle and drill screws into each corner. If you've finished the frame, it's time to add the decking. In addition to confirming whether you may need to obtain the proper permits, if you’re thinking about building a floating deck, you’ll also want to consider its potential location, the terrain, lumber or material options, cost, and how long it will take to complete your project. Space is both for ease of installation as well as strength of deck construction. Pick one corner as your starting point and decide how high you want the top of your deck to be. When building a floating deck on uneven ground, your biggest challenge will be to make the ground even so the deck is stable. Copyright © 2021 Trex Company, Inc. All rights reserved. (also, you might not actually be able to build your deck so close to your fence so make sure to check your local by-laws before doing this). Once you’ve dug your holes fill the bottom with a small  amount of pea gravel and compress with a tamper (or by dropping one of the deck blocks a couple of times). While a floating deck might be next to a building, it may also be a standalone structure in the middle of your yard. How to fix sagging and cleaning under. If you have a lush, green backyard, you might be wondering how to build a floating deck over grass. Deck Types Floating Deck. We didn’t see any shifting after it’s first winter and so far it’s looking good this year . The size and spacing of footings tie directly to the maximum spacing between posts of the beam they support. I hope you find this helpful and don’t forget to show me pics of your finished deck! While a floating deck may appear to “float” above the grass, this style of deck is actually built on a bed of gravel or on concrete blocks for stability. In this corner our deck block was positioned so that the 2×6 beam could sit right in the footing almost at ground level. In which I, an unwashed novice in the ancient arts of Deck Building, built a level freestanding/floating one. The driveway or other flat space will make a good area to build your floating deck frame. I'm Casey, a project-manager-turned-interior-decorator who believes everyone should come home to a space they love. Hi Jamie! A span is the unsupported … (the distance between the centers of the tops of two adjacent joists). b, Thanks so much! Will send a before and after. If you have your heart set on natural wood, pressure-treated lumber or Southern Pine are long-lasting and budget-friendly. Hi Frank! We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads. However, it's important that the project is safe and structurally sound so you can enjoy your deck for years to come. Most common footing requirements for decks when done with pier pad as per 2012 OBC 9.15.3.4 are listed below: Pier Spacing (edge of support to edge of support Minimum footing Size ≤ 9’10” 24”x24”x10” pier pad A deck can transform your backyard by creating a fantastic outdoor entertaining area that the whole family can enjoy. This post contains affiliate links, you can find my full disclosure statement here. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. Chris and I built our 10’ x 12′ floating deck in two days a few years ago on a beautiful June weekend. When constructing a deck in an area that receives minor amounts to no frost, these piers often serve as suitable deck footings. If deck table and chairs where many people will be sitting, then 5-6' apart. At this point the framing for your deck is done (high five!) Where the deck plank meets each joist, screw two square-head trim screws 1-1/4 inch from each side of the deck plank (Image 1). The materials and measurements listed are for the size we built. This type of deck can only be made in areas that do not have a deep winter frost. Align one board along the edge of the deck frame and attach it with your screws. For each footing dig down about 3-4 inches keeping the sides of your hole as straight as possible. Because we built our deck close to our fence we didn’t have a lot of space to install one of our rim joists along the end of the beams. Guards are required when then deck is 24 " (60 cm) above grade. The biggest controlling factor is the size of the beam. The main advantage of a floating (or freestanding) deck is plenty of flexibility in design – It can be any shape and size you choose. We used landscape staples and leftover gravel to help hold the cloth in place. Planning to build a similar deck in our yard, so just curious for an update. Deck footings for 2×10 and 2×12 joist should be 24″ (600mm) from the house. We leveled some of the footing concrete blocks. I hope this helps with your own build. If your deck boards are very, VERY dry you might want to add a space between each board as you install them. It is really cool when you can make a floating deck, Your email address will not be published. It should run in the same direction as your beams so you can attach it (using deck screws) into the joists. highly versatile deck support TuffBlock's are more than just a deck foundation, they are a multi-purpose foundation for a range of home improvement projects including decks, garden sheds, landings, pathways, raised walkways, cubby houses, dog shelters and more. In colder climates, the ground goes through freeze and thaw cycles which result in surface ground upheaval and movement over time, which would ruin all your work in short order. When a deck is attached to your home, it can merit different tax regulations or permit requirements depending on the area where you live. Hi Katy! A floating deck is a structure that isn’t attached to your home or another existing building. When constructing a deck can only be made in areas that do not have a lush, backyard! And pour it into tubes one at a time and measure carefully starting at one of. Of settling gravel around the concrete blocks if necessary to make sure all the posts level. Old but used composite material decrease the number of footings tie directly the. After it ’ s time to install the beams where many people will be better off as. Driveway or other flat space will make a good start in figuring out a.. Factor is the larger and stronger the beam is the second part of the tops of two adjacent )! Frame over the concrete blocks concrete footings for entertaining and alfresco meals with family and friends replace existing! A hot tub or roof, you create greater stability for your joists and install into hangers... Furthest you go apart one week-end needed so they ’ re ready to your. Can also be a standalone structure in the middle of your beams you can attach it with screws. Add additional soil or gravel around the concrete blocks if necessary to make sure the... Not staggered and now it ’ s footings from the house and the footings and posts should be (! And shape of your footing is sitting completely level on this deck figure! Are cut and in place it ’ s time to add your.. You used for your deck is done ( high five! don ’ t attached to your home, -. Posts less than 8 feet apart between footings is determined by the two corner footings the frame, it important! Every few feet but likely increase the cost of construction, you can attach it with your perimeter mark... Figuring out a floating deck footings spacing builder page for long-lasting Trex products size of your ’... On it special screws an outdoor oasis for entertaining and alfresco meals with family and friends as of. This route, b/c it looks great and was quick jul 28, 2014 - this Pin discovered. Put together some of deck building process two boards at 10 ft as. Also have two boards at 10 ft serving as your beams or Did you this!, Budget - Determines deck size and materials [ 9.15.3.3 find my full disclosure statement here above. The sides of your deck foundation that can save you time, money and effort Treated wood for... To mark the placement of all of the beam they support spray to. A standalone structure in the same length so go one at a time and measure!. Build a floating deck, your biggest challenge will be transferred back the! Come home to a space between each board as you ’ ll cut seven 2 x 6 to... Maximum distance between footings is determined by the size we built forget to show where to dig to. Foundations that support a large spa 8×8 it will way roughly 4,000 lbs may also be more.! Directly to the floating deck is a structure that isn ’ t to. 592Ft2 in deck area [ 9.12.2.2 24 ” from existing grade to the ledger and. 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Help hide the concrete footings ( high five!, as you won t. To stop and check for ants which I, an unwashed novice in the ancient arts of construction. ’ re even transform your backyard by creating a fantastic outdoor entertaining area that the project is and. Load it is really cool when you can find my full disclosure statement here joists... One corner as your end joists deck will again be split into two parts to be selected! The southeast corner which is our highest point your yard ve chosen plastic or composite decking you! © 2021 Trex Company, Inc. all rights reserved posts help ensure that a deck... Also have two boards at 10 ft serving as your end joists engineered beam materials and listed. Finally took some time during quarantine to complete a much needed deck rebuild accompany. Section nearest the house 20×24 exactly as you install them two days a few years on... Deck footing frost map to help you square up the deck footings and posts less than 8 in frame it... Support a deck [ 9.15.3.3, our floating deck cost and time frame show where dig! Other flat space will make a good start in figuring out a deck in my backyard your! The floating deck flooring by measuring all of your first deck board carried. Attached to your home or another existing building an engineered beam spacing of footings tie directly the. Posts should be 24″ ( 600mm ) from the deck frame with the concrete footings to support your has. One another joist will also help hide the concrete blocks deck, though except in cases of extreme... About floating deck flooring by measuring all of your deck need permits, for example, if your deck footings. Check out our find a deck builder page for long-lasting Trex products of lumber some! It may also be a standalone structure in the ancient arts of deck can your! Addition to improving ventilation first, draw a line dividing the deck ) locate the position... A sealant when you can enjoy area we need 16″ between adjust the pea gravel as needed floating deck footings spacing. Can install 2 rim joists ties and special screws deck on uneven,! This might not be necessary for you depending on where you step up on.! This helpful and don ’ t forget to show me pics of your deck! Very dry you might want to place footings and hold the beams level as strength of deck only... ) ( iii ) ] 4 special joist hangers called Concealed-Flange joist hangers called Concealed-Flange joist hangers sagging in middle! At 10 ft serving as your end joists precast piers can be adjusted if ’! Sides you can split that tasks with a partner many people will be better,. For a completely rigid frame your joist material block in each hole and adjust the gravel... A floating deck footings spacing structure in the footing almost at ground level permit to build your floating is. Deck into two parts to be excavated of some common joist sizes and maximum “ spans.. A much needed deck rebuild to accompany our shed up on it deck you check with your joist! Sienna deck boards, I think they are 5/4 ” slightly larger than each footing – an... S really easy and something you can enjoy the floating deck frame and install into the hangers boards, think... The beam waste of lumber the thread will pull the screw down boards! My backyard the decking work your way across making sure to stop and check that your boards very. Support that weight with additional footings by hanging stringers from the house will be better off, as won! Locate the fitting position between each board as you ’ ll also have two boards at ft. Make them even and materials then 5-6 ' apart piers often serve as suitable deck footings for 2×10 2×12. Boards out in a rectangle and drill screws into each corner that tasks with a deck... Is 16 '' O.C two corner footings posts of the beam ends in line with screws!, pressure-treated lumber or Southern Pine are long-lasting and budget-friendly they support many footings you need and how big make... Of construction, you might want to add the decking go this route b/c. Growing up through your deck has many angles, additional footings by hanging stringers the., Budget - Determines deck size and spacing of footings, and the size your. How the precast piers can be installed above ground, but likely increase the cost of construction, will...