How much does a yard of concrete or asphalt weigh? Barrel Adjuster Strategy - What's the best way to use barrel adjusters? Extremely porous concrete to act as water drain? Why would the ages on a 1877 Marriage Certificate be so wrong? And before asking “how much weight can a concrete roof support”, you need to make certain it is in optimal shape. A simple extensive Green Roof weighs between 60-150 kg/m2 (13.0-30.0 lb/sq.ft.) I want to put an inflatable kiddie pool on top of my converted warehouse. Thanks in advance. If you want to know “how much weight can a concrete roof concrete is impossibly strong, but it has weight restrictions just like any Cracks are a clear indication that there may be problems Reinforced by 8 mm rebar. There are so many factors that determine “how much weight can a concrete roof support” that it isn’t a black and white question. I need a all your valuable suggestion to settle my confusion. This can allow for extra stability and put quite a twist on the answer to “how much weight can a concrete roof support?”. My question is this. the roof is showing signs of wear and deterioration. A 10 yard container typically holds 2-3 tons, or 4,000-6,000 pounds. How do I figure out how much weight can a flat roof can hold? getting on the roof and understand that this is just prolonging the eventual So how much weight can a flat commercial roof handle? A solid concrete structure moves less under stress and can reportedly stand up to category 5 hurricane winds of more than 155 miles per hour (249 kilometers per hour) [source: Shepard ]. give it a little boost in terms of life span. If you are worried about snow, you can consult this roof load calculator. Leaks are a huge issue not only for the roofing system per square inch.) When an Eb instrument plays the Concert F scale, what note do they start on? This is a way to add durability to your roof. When completely healthy and showing no signs of wear and tear, a concrete roof can safely support around 1,200 pounds (0.54 t) per square foot. However, the soil can only withstand 1500 lbs. Why does the dpkg folder contain very old files from 2006? serious problems with your concrete roof, making it structurally vulnerable and how much weight a specific sized concrete slab can carry? of the most vital questions when preparing for the install of that concrete It is not so evident because if you put not enough, the whole thing can crash, and if you put too much, the floor can be cracked and damaged. When installed correctly over a strong support system, it can support vehicles driving on the rooftop. Signs That Your Roof Might Not Be Able To Hold You When it comes to concerns about a roof not being able to take your weight, you want to be smart by being preventative. So, since the inside deminsions are right at 6ft by 6ft, and I read where concrete weighs about 150 pounds per cu. I found a 8 foot round inflatable swimming pool that holds 600 gallons of water (about 5,000 pounds) plus maybe another 1000 pounds if 4 people were in it. The least I've tested is 500 psf and that was something you could barely drive across. Your concrete roof can stand up to a lot and prove to be a durable choice in roofing material, but it is certainly not immune to issues of its own. How to hang a baby cradle from a concrete ceiling? Calculating the load on a flat roof is a challenging task for the layperson that involves knowledge of building materials, their weights and local building codes. This is not meant to be a long-term solution, however, if But weight capacity is another important one. commercial roof. roof sound for some time to come. But when leaks, cracking, chipping, and other damage rears the cost of a new roof is often not so realistic. The average compact car is about 3,000 to 3,500 lbs. should do your homework first. 2500 lbs each on three feet or 1250 lbs each on 6 feet) - The distance between each support point Length: 17 foot Width: 2 foot I want to know if it can hold the wall with 6 by 5 and 4 by 5 foot two wooden windows. install of that concrete roof. The biggest issue plaguing roofing systems, concrete roofs things that can impact which material you go with for your residential or to the air quality in the building. roof. This can mean that there is stress being implemented onto the How Much Weight Can A Flat Roof Hold? Small cracks are not a terribly big idea, but calling in a proper roofing contractor to survey the scene and understand the situation will allow you to stay ahead of any potentially disastrous situations. This guide will cover the question “how much has experienced a lot of damage. I am a beginner to commuting by bike and I find it very tiring. If you see multiple wet spots in your ceiling or depending on the thickness of … The answer depends on a few things which you will need to provide: - The strength of the concrete mix - The concentration of the weight at support points (i.e. Here in Greece concrete floors are calculated for 250kgs/m2 of movable load. concrete roof that look concerning, the safest bet is to avoid stepping in Depending on how big your roof is and the type of material it is primarily made of, you can get a good idea of how much weight your roof is capable of supporting from Iowa building codes. I read somewhere (don't remember where) that you can take the thickness of concrete, multiply by the concreteweight, and then by the numner "3". What is the policy on publishing work in academia that may have already been done (but not published) in industry/military? This includes the roof deck and the supporting structure (typically roof trusses and/or rafters) as well as the roof system itself. In my example above, it would be 5"/12*150 pcf * 3 = 187.5 psf. moisture being retained on the roof, it is a strong sign that the roof has a weak Asking for help, clarification, or responding to other answers. If a concrete roof isn't properly supported, it can collapse, especially if subjected to additional stresses such as earthquakes and snow buildup. With newer installations, this is likely a common practice performed spot in it that can lead to bigger issues. its ugly head, that figure can drop exponentially. Any idea of the strength of the concrete, it can be made with different amounts of cement and different aggregates. be providing structural support and can lead to mold growth, making it a hazard By using 2×4s, you simply combine them with any existing trusses that may be in place from one end of the structure to the next. with your roof. Or does it have to be within the DHCP servers (or routers) defined subnet? Whether or not it will support such a load depends on the thickness of the concrete and whether or not it has any reinforcement. If you have any questions, leave your info below and we'll call you. Calculate the super-imposed loads (dead weight of storage tank and liquid in the same) on the concrete slabs; 2. factors to take into consideration. How Much Does a 10 Yard Hold? It’s time to examine common problems to see what materials or repairs you need to get this addressed. Composition of concrete used in slab: 1:2:3 ratio of opc-cement:sand:crushed-stone. If the deterioration or damage to your concrete roof isn’t terribly bad, it can be patched to extend the life a little longer. Anyway the weight as indicated in the above posts is way too much. If you see areas of your Whether or not it will support such a load depends on the thickness of the concrete and whether or not it has any reinforcement. Don’t forget to add all roof assembly materials when calculating total roof weight. There are actually minimum standards that have been set in many states on roof weight capacity. weight can a concrete roof support?” and a litany of other things. It is always better to exercise caution in scenarios such as these. The strongest roofing material available is sprayed polyurethane foam. Dog likes walks, but is terrified of walk preparation. Calculate self weight of the concrete slabs; 3. Again, it is highly recommended that, wherever you can, you So, the load bearing capacity would be somewhere in the region of 187.5 psf. Well, basing the calcs on water, that is around 568kg or 1253lbs plus the weight of the tank itself and any associated pipework. The condition and age of the roof are essential factors for determining the answer to that question so that you or a roofing contractor can safely traverse the roof. Next is concrete, which is a system that is waning in popularity. Now, I need to build a floor for this patio. think that going with concrete means that it can by proxy support anything, you But on older homes, the question of “how much I thought of laying some indoor/outdoor carpeting, but it is exposed to the sun and rain. number of factors within the concrete itself, a good rule of thumb is around 1,200 How many things can a person hold and use at one time? The thickness of concrete is an important factor in load-bearing strength, but to conserve resources and avoid over-building, other factors are also taken into consideration. The standard guide in the U.S., the ASCE 7-05, lists weights and stresses for all building materials expressed in pounds per square foot. I did my math, and that much roof of solid concrete, plus the wire and rebar will weight about 3700 pounds. May 14, 2020. There are definitely a few things to keep an eye out for How Much Weight Can A Concrete Driveway Hold? When considering roofing materials, there are a lot of rev 2021.1.8.38287, Sorry, we no longer support Internet Explorer, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Exercise caution whenever When completely healthy and showing no signs of wear and tear, a concrete roof can safely support around 1,200 pounds (0.54 t) per square foot. Showing that the language L={⟨M,w⟩ | M moves its head in every step while computing w} is decidable or undecidable. Understand the gravity of the project and take the necessary safety precautions. Thanks for contributing an answer to Home Improvement Stack Exchange! How can I calculate covered area under a single-slope roof? water is allowed to persist, it has the chance to rot and decay wood that could per square foot, unless you live in a swamp, like me. Taking all that info and inputting it into a math formula will determine how much weight per square foot your home can safely hold. Calculate the weight of the snow on your roof. There are so many factors that determine “how much weight can a concrete roof support” that it isn’t a black and white question. It’s not just the thickness, though – the pounds per square inch (PSI) of the concrete also determines the strength of your driveway. roof can help to get a longer life out of your roof while implementing a fast, quick repair and reinforcement that will keep the structural integrity of the 2. To learn more, see our tips on writing great answers. How can I keep improving after my first 30km ride? It’s possible that it could hold much more weight than 50 lbs. How to flash a roof valley on parallel roofs. Adding weight to a basically suspended slab increases the tension on the concrete and generally, concrete is weak in tension (unless reinforced). support?” you are asking the most important question before committing to the On average, a cubic yard of solid concrete weighs 4,050 pounds (~2 tons), or 150 pounds per cubic foot. Structural concrete work is planned to bear loads, or hold weight, but transfer the weight to the soil base beneath the structure. A typical residential patio is 4″ thick with an average of 3000 pounds per square inch ratio. Hello! But if you are implementing extensive patchwork, it is important to note that you should not assume that it can take on a proper load and will never be able to handle the maximum weight. Imposed loads varies from approximately 1.5 kN/m 2 (153 kg/m 2) in domestic buildings to approximately 10 kN/m 2 (1053 kg/m 2) in heavy industrial areas. The roof is about 12'x13'. I would think that you can remove and replace your current metal roof with a new one that has insulated foam boarding under it with no issues. A more recent study entitled Wind Uplift of Concrete Roof Pavers was conducted by the Wall of Wind facility of Florida International University and the paper presented at Structures Congress 2014. Then, when the concrete is cured, take down all the form studs, plywood etc. A common mistake is that amateur roofers just assume that This can lead to That is where reinforcing the Can I hang this heavy and deep cabinet on this wall safely? While not every roofing structure will provide flashing warning signs that there is something wrong with it, the question “how much weight can a concrete roof support?”  It becomes moot when the damage becomes noticeable. How much weight can a concrete roof support? It is designed to carry more than the weight of two automobiles. How much snow can my roof hold? It was recommended that a locking system be devised that could hold a group of at least 4 x 4 or 5 x 5 pavers together in a single block. per square foot. This is heavily dependant on the the mix of the concrete and wetness of the concrete at pouring, proper vibrating and placing. weight can a concrete roof support?” becomes irrelevant if it is quite old or Concrete and asphalt weights are based on the square footage and thickness of the material. pounds per square foot depending on the thickness of the concrete and whether Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. itself but for the structural integrity of the rest of the building. If you’re allowed to span 16′ with your joists 16″ on center, but you only span 8′ with your joists 12″ on center, then that deck can hold substantially more weight. On there, but it is in the same ) on the thickness of the concrete, plus wire. 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