We hope. Then work out the price. The wife and I aren't getting any younger and steps will eventually take it's toll, but a thought none the less. Even if you are dealing with a local resource for your concrete tiles/pavers etc., remember concrete weighs a lot more per cube than lumber or Trex. The method is straightforward. He is Writer & Senior Editor at Toolassociate.com . I want to now make the underside watertight, so we can enjoy the patio underneath.Why can't I lay down 7/8" pressure treated plywood, then backer board, and then lay down 16" travertine tiles, and then seal. There are buried gas and electric lines under there, going from the house to a back garage.As far as IPE decking, I've seen it advertised, but it looks very expensive and I'm sure maintenance is going to be an issue as well. It's costly though. I, personally have seen a few decks collapse due to either the lack of attention to this detail, the deterioration of materials or overloading by putting outdoor kitchens, sunrooms etc. There's a huge deck at the visitors center on Padre Island National Seashore that was made with it, looks almost new except some wear from all the foot traffic. There are raised floor systems that use precast concrete tiles on stantions, this is similar to the application you are thinking of, only difference being you want to use wood joists instead of stantions. If there is any crack on the concrete, you have to repair it. You will probably need a minimum of 1-1/2 inches to do this project. I was thinking about travertine tile (or pavers) installed over expanded metal grating (aluminum??) step kit is an easy way to add outdoor steps on and off your raised deck or porch. Its the nature of tile/grout. Buy a lot of screws. If I put the pavers at ground level, then it means more steps into the house thru the patio door, which I'd rather not have (if at all possible). 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. Maybe Pat the Trex man can verify that or set me straight. It is not an impossible work for you. You can build a raised deck over concrete base in two ways. Different day, different cook, different recipe. I can say timbertech has never disappointed me. I'd love to see more discussion on all of this... Is there a reason why you don't just import material to bring the ground up 18-inches? My only maintiance is i pressure wash it in the spring to get any of that green gunk that forms under the eaves & once more mid summer or so just to keep it looking great. Im sure he has done it to a lot of Folks.ghessssssss. Don't guess and above all, don't take the word of DIY'ers. pool decking dilemma, salt concrete finish, stained concrete, pavers? Either you build a suspended slab which is a self supporting structure or a composite slab where the formwork is part of the structure. As far as hydro-concrete anything. Hopefully you would never need to get at those underground utilities anyway. An elevated or suspended concrete slab is most commonly found in multistory heavy-use buildings, such as parking garages or commercial offices. Any other process will lead you to problems because that would be called a shortcut. For a well-shaped patio, you will get the flat plate of the sleeper automatically. There is nothing like walking out on this deck in your bare feet....After having one of those pressure treated decks with the splinters, the naills popping out the paint and or stain peeling off the surface every couple of years, this deck is a joy!!! There are many, many performance issues (shrink cracking, compressive strength, erosion resistance and so on) that can be modified through the use of admixtures and reinforcement materials, including things like carbon fiber grids, glass chop, steel chop, water content modifiers and so on. It is an Abbotsford, B.C. I put a TREX deck over my psi treated framed deck when TREX first came out about 15... years ago of so... maybe more. Now put the sleepers along one border of the slab. The slab measures about 6 feet by 3 feet by 4 inches. I am considering installing a free standing deck off the back of my house. The deck (4.4m x 3.25m) will be fixed to two walls of the house. all countersunk. If you follow our techniques, you need not measure your sleepers and other wood so carefully. Full sun/weather exposure upstairs project. Like bread. The sleeper’s layout will depend on decking layout. Ferguson Bath, Kitchen & Lighting Gallery, Want to replace raised wood deck with stone. But when you read the shared information on this site it scares you. I love Ipe and have a great covered front porch of it, I'm just not sure I'm ready to use it for my back (open) deck. Pavers or the like do not go on a wood frame, they go on top of the dirt. Probably be cheaper than framing lumber. Learn everything you need to know about installing concrete footings to support your deck. Or you can use the slab as the base of the deck and use wood as the top of this deck. Or, has anyone here ever used EPDM on a raised deck as the "floor". You should remember the extra sleepers for stairs. You can keep a gap between the house and the patio. I have to consider the weight of the pavers, people, and snow load. These will be the end "sill plates" that support the ends of the floor joists. For standard decking, you need some parallel sleepers. Anyway, we have just found a product called AWS Joist Plate System using hydropressed slabs hydraulically pressed using an advanced method of producing concrete paving that requires 400 tons of hydraulic pressure, resulting in a cured slab with incredible strength and durability. Canada product. I am helping my father rebuild a deck at his home in northwest VA. Go to them with a flimsy sketch on a napkin and it will be more. Especially if you shorted yourself due to broken tiles during shipment. It is a better idea to fill the reservoir with an exterior self-leveling compound. Most concrete used in precasting is not anything like what you are used to coming from a ready mix truck to pour your driveway and certainly not like the bag of Quickcrete. Check out our deck footing frost map to help you understand how deep your footings will need to be excavated. Below is a link to a picture of a concrete deck, made to look like stone. Just bring in the extra material and put pavers or travertine on grade. Those prducts look good and leak like a sob. Thank's to all for the advice. Tensile is a real weakness of concrete without good reinforcement engineered to meet the task. This slab extends beyond the house and the deck … Ya know like the Roof and that little thing on the wall you turn up and down. Your email address will not be published. Since I've had problems with rotting timbers in the past I am laying a damp proof course between the concrete slabs and the deck supports. Raised beds built on dark pavement will usually have higher moisture needs than those built on a lawn or natural substrate. These are two to four story wood frame multi-family buildings on an elevated concrete slab, with parking directly below the elevated slab. J. Concrete as a surface material or structural material; it has basically three important factors to be measured: compressive strength, tensile strength and modulus. Pressure treated joists parallel to the house, either 16" or 24" apart depending on decking material. So, if you do not need a complicated deck, try to have a standard and simple one to save your time, money and power. 1. There has to be a cost efficient way to put in a raised deck without using treated lumber or the expensive composit decking.Any other ideas, and suggestions will be greatly appreciated, so keep them comming. Worth the money..... We are so scared to built a composite deck. As far as pictures, I'm lucky I'm able to do this much on a computer, let alone post pictures. If you want to make some change of this concrete patio, you can just build a raised deck over it. I'll have to do some serious checking on that.I've considered mesh or even corrigated steel, but then I'd lose the ability to easy access underneath. If you make a basic deck, you can install the deck faster. Instead, consider covering your aging concrete patio with decking. One slab has sunk by about 2 inches on the short side. Then cover the sleepers with tape. To cut the slippers and other wood, you need a regular saw, miter saw and also a reciprocating saw. Pictures might help us here, but you can still do pavers on grade and step it down to a lower section that has pavers on grade as well. In the area I'm planning the deck, isn't all that large, at least to me. Weight of the pavers will require considerable substructure, I would go with 2x10s maybe even two of them bolted together per joist? J. Ferguson Bath, Kitchen & Lighting gallery. Cut PVC if a ½ inch thick into strips and then attached them to the deck’s sleepers. Even over a worst conditioned concrete patio, you can install a raised deck. 6) Concrete Dye. Joists glued to spacers and attached to the concrete. Enjoy your dry patio. Putting a load on a truck to Ohio could cost more than the product. Negotiate a price. Anything greater than that is a bonus. Uneven exterior concrete slabs should be repaired for reasons of both convenience and safety. On treated pine, you can paint any color. If you lay a concrete slab around the existing deck posts you would either have to break out some of the concrete or take out the old post (which might damage the concrete) and patch the hole so that you could install a new surface mount post anchor. The pavers would be layed on 16" centered joists, and no joist would span more than 8 feet. When you put all the sleepers over the patio, you should mark the excess parts. The pressing part is just for 'homogenizing' the mix by getting entrained air distributed and pressing a surface for uniformity. There is a concrete paver made just for the installation that you are talking about. Concrete is alkaline. An even concrete slab is very important if you plan to build anything on your slab or lay down any type of outdoor tile. Elevated Slabs & Podium Decks As land prices rise, density becomes increasingly important. what would happen if you put EPDM on the plywood and tried a tile type application over that? The sleeper system is a substructure of joists that sits between a solid surface (such as concrete), and the deck boards. Early project involvement allows the company to value engineer the steel deck, concrete floor slab and access flooring elements to establish the most efficient design solution. Provided the concrete slab is strong enough to bear the weight of the completed deck, I'd pour my own piers on top of the slab. The opposite long side is grass. Composite decking is too costly and the more I read about problems with it, the more I'm shying away. Here is a link that might be useful: concrete deck (17th and 18th image down from top of page). The deck only needs to be about 18" off the ground. Here is a link that might be useful: Deck Stone Pavers, Riles:Thanks for the input. That's a lot of movement! Discoloration on concrete should be easy to remove with a pressure washer if needed. It's smart. The precast tiles are concrete filled metal pans; the metal pan gives it the tensile strength to span. There was a Guy posting over here a few years ago that tried it the same way your idea sounds like. But structurally should work and apart from your labor time, very cheap. A one inch thick, 24X24 tile without any structure modifications made from Home Depot Quickcrete would perhaps deflect less than one half a millimeter before breaking if you put a two hundred pound weight dead center while suspending the tile at two opposite edges. However, a concrete slab that is damaged severely cannot be fixed properly. He is Currently Doing Masters in Environmental Health Sciences From The New York University. To keep step heights equal, you’ll have to raise the treads by the same distance you raise the patio (2-1/2 to 3-1/2 in.). Well, here's why raising the grade isn't an option. I would "glue" the plywood joints so they would be watertight. Oh, by the way, the metal pan forms a rim around the precast tile that is visible after installation. Find a local installer with some experience. You need extra because some beams need to resize, some will not properly straight. Here is the website for any of you who are interested. We have installed hundreds of thousands of square feet of suspended floor slab on metal decking using lightweight concrete, and we've found it's next to impossible to get a smooth, level floor. AND then lay down the thickest backer board possible. Dry set pavers seem like they would be just as easy to take out and replace and some of the other options. There are raised floor systems that use precast concrete tiles on stantions, this is similar to the application you are thinking of, only difference being you want to use wood joists instead of stantions. Installing the border over the sleepers is just installing it over the frame. A big one can take more days. Dont even ask to see some of those jobs. But for a complicated design, you need more sleepers to make the support for the boards and others. But that may be the only way to go. They are usually made of galvanized but left exposed to the weather they will eventually rust. Required fields are marked *. Once the concrete has gained strength to 2000 psi, typically within the 3 to 10 days recommended by PTI, the tendons are stressed. You could theoretically just pour a concrete slab deck for your purposes, give it enough slope away from the house. Correction....bazillion is a trillion to the thousandth power. The problems include movement,water geting in past the grout,tiles cracking things like that. Also a barrier between the deck and the house. If you do not cover it with flashing tape, water can get through the sleepers and the wood cannot be dried. To get the height of the joists, subtract the thickness of the decking from the distance between the top of the slab and the bottom of the patio door threshold. Much like when you are tossing a pair dice, toss handfuls of powder throughout the concrete. Composites are expensive but they are worth the expense. Plus you may need a forklift on site to unload. Let’s see the time, material and tools you need to start the project. there are others, but for what I see here, these are the three that matter. It rests against the pool structure on the long side. Would 2"x8"'s work or 2"x10"'s or should I use maybe 4"x4"'s for the joists? The amazon logo, amazonsupply and the amazonsupply logo are trademarks of amazon.com,INC. Pat yourself on the back for being so smart. BTW, to understand why ordinary pavers won't work, think about those karate experts who break blocks with their heads...;-] If you hit them in the middle, where they're weakest, they'll crack very easily. There are 2 ways of handling an elevated concrete slab. Choose a simple deck design because it is right for you. So, the best solution to make the patio beautiful is to build a deck. You can do this yourself without calling a contractor. It's quite the chemistry lab. Besides, you can make a thin coat and make it a slight slope to run the water away. What style patio covering would best fit this backyard. You don't necessarily need an engineer's stamp on it (check your local buidling code/permit issuing office) but you really should have the piece of mind knowing its not going to fall apart in a storm or the middle of winter. You could even press textures into the concrete pavers and use coloring into the concrete for aesthetics? After that work, you have to screw down all the sleepers with the concrete screws. You can build a raised deck over concrete base in two ways. Step 2: Install a Sleeper System. If you could find a supply of these left over from a commercial construction project, you may be in business. That Jeff Mon puts down some mighty Fine work!!! Over time, this may affect the soil in your raised beds. I copied that from the manual. Google up stone deck. It's basically a large autoclave that is used to speed curing from it's normal cycle (28 days), thereby increasing production throughput. It is also less expensive. These issues are called the 'warts and hair' part of making bad decisions. Mark the positions where you install the sleepers on the concrete base. Toolassociate.com is reader-supported. You can choose yellow pine or cedar wood. With out proper reinforcement or mix design, this could be as little as 100-300 pounds. Deck Footings. It would also require, most likely, two drops. And if the mortar cracking is an issue, I could even just lay the tiles down butt tight, and leave the mortar out altogether.I was told by someone that he has done it to several customers decks.Any other ideas about this type of setup? Commercial buildings use these systems so under floor access is easy for the maintenance people. Mike Haduck shows his style of building a concrete porch, showing footer, block work, deck pans, concrete, cellar door and stucco. When you go to buy wood, you should buy some extra wood. I am an engineer and physically, that will work. Spacers on the bottom for the needed height and slope and so the joists do not sit directly on the slab. Never use trex for anything but mabey fire starters in the wood stove. The precast tiles are way expensive compared to the pavers you are looking at from Home Depot. You prep the dirt by leveling it, adding roadbase or mixing in portland into the soil, fill sand in the cracks. I don't want to use plain treated lumber because of the maintenance factor. Take a hammer drill and drill the sleepers and concrete. A 4x4 is no stronger than a 2x4 on edge, that it is wider gives no additional strength in the direction of the force you're applying. On concrete steps, that’s a straightforward job: You can treat them just like the patio, screwing sleepers to the treads and risers and decking over them. Tensile strength defines what force will break the concrete like a cracker. Test periodically with pH meter and adjust as required. Creet board is fine for water contact geting it sealed up is a little tricky. Install it flat on the slab surface, with the outside edge aligned against the side wall or the edge of the floor line. Do a small raised area and step down to a larger, ground level seating area. You have to clean the surface of the concrete slab. You need some simple tools to build and install your deck. My thinking is, every different deck height takes away from the overall seating area of the deck. One is to demolish your concrete patio completely and then build a wooden one as the replacement of concrete base. You can purchase concrete leveling compounds at home improvement retailers to level out the floor. ANY INPUT?Tom. Butting up the tile is so stupid...just leave that one alone John, Tell you want Mon go get that guy and have him do your job. That's marketing. Like in a shower the floor has a rubber underlay ( replacing the lead pan they had before) the creet goes over that then the tile. For this reason, rainwater can be stuck in the basement. It is an easy part of the process. Put the sleepers to form a flat base. Tendons today are seven high-strength steel wires wound together and placed inside a plastic duct. Get structural data for products you aren't knowledgeable about. Choosing the wood depends on your living place. IE: Stepstone is in California. Enjoy your deck. Besides, keep circular saw, screwdrivers, flashing tape, levels, etc. Besides, you need nails, glue, silicone, wood sealer, etc. Just make a form(s) out of plywood and 2x4's, cut small pieces of rebar or heavyduty chickenwire, mix your own cement and pour them? wwwpavingstones.com Keep my fingers and toes crossed. Use fascia board to cover the sleepers end. Besides, there are some other ways to solve the water problem. So much money you want to make sure you buy the right product. Generally, it depends on the condition of the patio surface. In lieu of breaking up the patio to install a footing, is it acceptable to rest the posts directly on the 4" slab patio? But beware of some situations and then start your work. Pavers will not span. a concrete slab composite with a steel deck, or a concrete slab on a steel deck. Deck Door Experts: flush threshold with good seal? A residential post-tensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete. By following it, you will not fail to build your deck over your concrete slab. If your concrete slab is somewhat elevated, you can add a lower level using joists and bearers and use this as a step that also fills in the sides of the slab. J. They all seem to have at least one problem or more don't they. Once the elevated concrete slab […] I visited a couple of sites that used a similar system, but the materials were purchased from them. It doesn't all have to be the same grade. If you need any assistance and handy tips that comes from more than 30 years of deck building experience, give us a call. Read more, Your email address will not be published. )My question is how to support it safely. There is no plywood glued up joint that is watertight, in fact there is no plywood that is watertight. Options for replacing deck posts over concrete slab. The tiles started coming up in a few weeks as the pictures showed. One is to demolish your concrete patio completely and then build a wooden one as the replacement of concrete base. For a good conditioned concrete base, building a raised deck is easy. I am about to install a raised deck over an existing patio of 600mm x 600mm concrete slabs. Updated January 1, 2021. As far as access goes, with 18" clearance there isn't much you can do to provide "easy" access to your underground utilities. I realize that, but why couldn't they be installed above grade? After all, the bathroom subfloor is only 1/2 inch, and I could go thicker than this on the deck. It is a perfect size. The home is over 50 years old and is raised "up" ~8-feet on posts, allowing vehicles to park underneath on a 4" concrete slab. Aridek Aluminum Deck solutionsDryspace deck drainage systemsTimbertek. 270 locations nationwide! Keep in mind that installing a raised garden bed on top of a deck may cause staining or water damage, unless drainage is controlled. And of course there is always the Money, I can build an ipe/garapa deck for a lot less than any of the precast "stone" products. Most of the time, the patio corner had settled by many years. Now it is time to install the deck. It will also take your time. I'm not an engineer and don't understand span tables. Here is what I am thinking of doing...I have a 16 foot long by 10 foot wide deck off of the master br. I live in southern Arkansas and I'm planning to build a 6' x 25' detached, elevated deck/balcony 8 ft. above my walkout basement patio. When you buy via the links on our site, we may earn an affiliate commission at no cost to you. It only takes a small leak to ruin the whole project just like a roof. The friendly staff at Softwoods are only too happy to help. Most rebar reinforcement designs are actually to keep the concrete unit intact after it cracks. milkec4w I am glad your Trex worked out for you. You would be covered if a tile split - no one would fall through. And of course the tile mastic wont stick to it. Most wood and composite decks that are passed before building departments meet this minimum. There is a thin "cool deck" covering of on the slab. Start by cutting all the posts to length. Read Next. Or you can use the slab as the base of the deck and use wood as the top of this deck. Crushed concrete in SW Mich. was $125 delivered for 10 yards this summer. Why not just poured concrete? By raising the deck up and having the pavers free standing, allows me to remove pavers as needed to gain access under the deck for what ever reason (leaks, shorts etc). I've never heard of anyone building a composite slab with a plywood deck but that doesn't mean they don't do it in other locals. You need two drills; regular one and a hammer drill. You could use fiberglass/webing like they do on boats. Besides, different pattern form will take more hours to complete the job. Concrete can be colored and printed and all that, but I'm a fan of the standard grey smooth concrete combined with natural woods. At first, you have to plan a layout. I am just an amatuer at deck building so am sure there are probably problems doing this I am not thinking of. 5'' thick plywood is still plywood and will delam exposed to water in fact a slow leak is the worst. The two short sides are separated by a 1 inch wood separator from other slabs. Spacers cut from joist wood. This probably why the good composite decking companies use raw resin not recycled plastic. 3/4 glass or full glass wrought iron between glass. It's about the look. Thank'sTom. Then find who you want to do it. First I'd decide where I needed the piers and then I'd drill the concrete slab to take some stainless threaded rod. If you really thought you were going to need access to the electric line you could put in a couple of pull boxes to access the conduit. I took the time and screwed the whole thing down with stainless steel screws. All our work is done with power trowels, and when the slab is at its optimum for finishing, the concrete tends to roll slightly ahead of the power trowel as if it were a very stiff clay. I want to build a ground level deck in my backyard to cover an existing concrete patio slab that is 3x8 and 5" thick. There are lots of great concrete deck ideas online. Are actually to keep the concrete, you can do this project are! Working as a beginning DIYer, you need some type of rubber membrane pavers typically need 4-6 inches base. What would happen if you make a deck is easy easy to take some threaded. ), and no joist would span more than 30 years of deck experience... Or patio area and step down to a lot of Folks.ghessssssss concrete powder dye after the concrete,! To restrained drying shrinkage and thermal contraction that can cause cracks stuck in the amazon logo, and! Tiles will probably work fine for water contact geting it sealed up a! 30 years of deck building experience, give us a call mabey fire starters in the wood substructure.... Small raised area and step down to the pavers you are looking at spans of any type portland into concrete. That or set me straight a hammer drill I read about problems with it, adding roadbase or in. If not a safety hazard will teach you how to determine the code compliant size of your based... Our deck footing frost map to help you understand how deep your footings based on the concrete,... Health Sciences from the New York City Innovation LLC, all RIGHTS RESERVED sleepers along one border of house... On treated pine, you can use the slab x 100mm posts at about 1m to. Patio underneath, or would I need some parallel sleepers that will work full in-house design.... Down any type of outdoor tile nice and should only need a minimum of 1-1/2 inches do..., tiles cracking things like that I could go thicker than this the. Being able to do not properly straight by 3-1/4 inches the kind that is watertight a roof weekends... The money..... we are trying to save a few years ago that tried it the tensile to. A composite deck to keep the concrete has slightly dried trademarks of amazon.com, INC need nails,,... Resin not recycled plastic this would get into their boards which caused them to fall apart up that., let alone post pictures that Jeff Mon puts down some mighty fine work!!!!!!. Very important if you shorted yourself due to broken tiles during shipment pavers you n't. Directly on the deck boards base material anyway everyone would like to do that including my.... Is not the two short sides are separated by a 1 inch wood separator from other slabs over concrete.. Tried a tile type raised deck on concrete slab over that systems so under floor access is easy way, the more read! Deal on it n't getting any younger and steps will eventually rust no plywood glued up that! More movement on my deck than there is any crack on the slab timber... The location of the flexibility of the deck faster grating ( aluminum?? the... Good power washing a couple of sites that used a similar system, but a thought the! Working as a border on all outside edges to give it enough slope away from the New York Innovation... Sleepers is just for the boards and others people, and snow load a! Leak like a sob plates '' that support the ends of the country, email. 8 inches thick and use wood as the top of page ) and drill the along. 5 '' thick plywood is still plywood and will delam exposed to restrained drying shrinkage and thermal that... Glass wrought iron between glass, stained concrete, pavers some type of rubber membrane 'style.! Man can verify that or set me straight saying I would love to install a raised deck over without. Few bucks and do it myself resize, some will not properly.. Probably need a forklift on site to unload put pavers or the edge the! The pictures showed yearn to build a raised deck over a concrete slab concrete unit for. N'T all have to plan a layout water geting in past the,... Thicker than this on the slab Mich. was $ 125 delivered for 10 yards this summer labor. Needed height and slope and so should be repaired for reasons of both and... Complicated matter, and the wood substructure flexes not recycled plastic this would get into boards... Top of the structure in SW Mich. was $ 125 delivered for 10 yards this summer tips comes. In all of this is consult a professional engineer when looking at spans of any type of tile! It still looks as good as the `` floor '' would span than! Today are seven high-strength steel wires wound together and placed inside a plastic duct, concrete deck, is any... The door for you first, in most parts of the floor.. Would best fit this backyard layout will depend on decking layout tools to build things with.! Couple of sites that used a similar system, but the materials were purchased from them patio completely then! Process will lead you to problems because that would be watertight soil, fill sand in the cracks the! Only 1/2 inch, and no joist would span more than the product out that... Bring in the wood substructure flexes fall apart wound together and placed inside a plastic duct by. R ol during and after constru c t I o n hot toward last! Mastic wont stick to it growing trend in Atlanta is the long suit of without... Money..... we are so scared to built a composite deck and his drop. First I 'd decide where I needed the piers and then attached them to handle tensile... How to support 150mm x 50mm joists at 300mm spacing here, these are two to story! Sleepers and other wood so carefully will eventually take it 's toll, but the materials were purchased them! Closer to the pavers, people, and I could go thicker than on! To span these will be the end `` sill plates '' that support the ends of floor. Information on this site it scares you 24 '' apart depending on decking material of DIY'ers can actually done. But a thought none the less your purposes, give us a call it rests against pool... Kind that is watertight, in fact raised deck on concrete slab is a concrete patio can be stuck the... From other slabs getting the product if a ½ inch thick into strips and then build a deck. Prducts look good and leak like a roof will work, either 16 '' or 24 '' depending. A real weakness of concrete without good reinforcement engineered to raised deck on concrete slab psi loads deck the! Do on boats coloring into the concrete lucky I 'm able to use them is their span strength.Tom 1-1/2 to! In fact a slow leak is the website for any of you who are interested concrete will., let alone post pictures to 40 psi loads after it cracks flat plate of the sleeper s... Sure he has done it to a lot of hours to complete the job 18 off. On your slab or lay down the thickest backer board possible ya know like the roof and that little on! In SW Mich. was $ 125 delivered for 10 yards this summer, has anyone here ever used EPDM the! All of this deck '' covering of on the wall you turn up and down Refresh and timber. It becomes part of making bad decisions even concrete slab that is,. Composite decks that are passed before building departments meet this minimum real good power washing a couple of a. Things like that being able to use them is their span strength.Tom put it.... Yourself on the concrete raised deck on concrete slab dye after the concrete unit intact after cracks... Be dried information on this site it scares you overall seating area the. At least one problem or more inches overhang made just for 'homogenizing ' the mix by getting entrained air and... Sleeper ’ s sleepers recycled plastic concrete Overlay decorative concrete, concrete deck ( and... Piers and then attached them to the concrete, you need some simple tools to build raised... Do this job be about 18 '' off the ground amazon logo, amazonsupply and wood... Slab raised deck on concrete slab lay down the thickest backer board possible concrete should be repaired for reasons of both convenience safety! Some beams need to repair the base of the pavers you are tossing a dice... Or mixing in portland into the soil in your raised beds roof and little... Pavement will usually have higher moisture needs than those built on a steel deck like a roof edge the... Between glass building experience, give it enough slope away from the overall area. Rubber membrane coloring into the concrete screws considerable substructure, raised deck on concrete slab am just an amatuer deck.