Is Radiant Heating or Cooling Right for You? There was no rot and no loose boards. I literally just ripped 650SQFT of solid oak floor out of one of my apartments 2 weeks ago. If you were to load the center of your granite peninsula countertop right now with a given amount of weight, the bottom of the granite starts to stretch or pull apart. Two of the more popular are laminate and granite. The heavy weight of granite requires adequate support. The table below displays the standard weight of granite based upon slab size. There was already a noticeable slight slant to the floor in the kitchen before remodel, so I had the contractor confirm that the load of new flooring, cabs and granite would be okay. Most granite slabs are either ¾ of an inch thick or 1 ¼ inches thick. I'm wondering whether granite, being as heavy as it is, has caused similar problems in floor support. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. All these people claiming they have so much experience is hilarious because they still have no idea how to do this LMFAO!!! 2CM granite weighs about 12 lbs. 7 Myths About Natural Stone & the Truths Behind Them. How much does granite weigh? Keep in mind that a seated person requires about 24" of space, side-to-side. Both those rooms developed a noticeable bounce to the floors. Before (and during) the initial stages of our remodel, I had serious concerns about the ability of my floor to accept tile or natural stone. Both those rooms developed a noticeable bounce to the floors. He did say that we may have some shifting, and that did happen. Countertops are typically 21 inches deep to offer easy access to mirrors and sinks. I am having to replace a kitchen cabinet because of a serious water leak that water-logged the particle boards. Different countertop materials have different requirements. Thickness can vary across the expanse of the slab. One question that many may wonder about when discussing countertop overhang support brackets is whether these are needed for quartz countertops. Where my countertop and backsplash tile met and was caulked, the counter dropped about a 16th-inch on one wall. Island base cabinets 2 are 24” depth but the one closest to end overhand is 15” to allow more leg space. I've redone all the bathrooms also. My old countertop has been tile, and it has to go, as well as the cabinet. They have a tool found at the top of the posting called "Deflecto" which allows you to enter your floor joist information and it will tell you whether the floor is able to accept tile or stone. Beyond securing the granite to a base that will support its weight, its appearance must match the grandness of the granite … Even in a "worst case scenario, adding 3CM Natural or Engineered Stoneas a counterop material will only increase the floor loading by 15 HUNDRETHSof a pound per square inch....... (take 22 pounds and divide by 144 (sq inchesin 1 sq foot) 22 / 144 = 0.152777 pounds, looking at it in those terms, I think it's pretty "nominal" (as they say at NASA.....) ;-), gluing down prefinished SOLID hardwood floors directly over a concrete. In the 31 years that I have been a professional in this Industry,I have not seen a house yet that, if the floor was properly constructed(using floor joists spaced 16 inches on center, and the joists were 2x10'sor 2x12's with a conventional 2 layer flooring assembly) failed when granitecountertops were brought into the equation. Granite materials are actually igneous rock, which forms from a process of extreme heat and then cooling to create the hard and dense granite. Can a Granite Countertop Have Bacteria?. Yes, ... A general rule for granite is no more than 30 unsupported inches in length (span.) For designs where your countertop is cantilevered or overhangs the supports, overhanging portion should be limited 16″ to 24″. Brick Floors: Could This Durable Material Work for Your House? For what? Aside from offering the largest selection of stone colours and styles under one roof, you will find The Top Shop has a proven process to guide you effortlessly toward your new countertops. Do you know how granite counter tops get from the warehouse to your kitchen? Which of these options is best to support my quartz island overhang? 1 cubic meter of Granite, solid weighs 2 691 kilograms [kg] 1 cubic foot of Granite, solid weighs 167.99364 pounds [lbs] Granite, solid weighs 2.691 gram per cubic centimeter or 2 691 kilogram per cubic meter, i.e. Thanks for setting the record straight Kevin. He said he did have someone who had their cabinets start to pull from the wall from the weight of the granite. sq. "the joists were just about the max that code would allow.". Granite, Northern Arizona University: Igneous Rocks. Here are eight facts about countertops from behind the curtain at Daltile. Loading does not cause a bouncy floor, maximum spanned joists do. Checking the quality of the screws is also important. The good news is that oil stains can be lifted with a homemade paste made of baking soda and acetone, and organic stains can be removed by soaking a paper towel in bleach and placing it on the affected area. It was built in 1964 and was original floor. 3CM weighs about 18 lbs. (~60kg). Before fitting a countertop, it’s possible to calculate how heavy it will be once you know its thickness (3/4 inch or 1 1/4 inch) and its width and length. Because of the way granite forms, it possesses a special resistance to damage from heat. Thats way more of everything than my hagen stand has - and it's rated to hold up to 1000 pounds! Folks used longer spans, and with deflection designed for 1/260 of span a long span floor would be very bouncy.The i-joist manufacturers started making i-joists with smaller deflections for longer spans to solve the problem. The past 5 years I've been steadily upgrading the look of my apartments. I've knelt on my silver sea granite several times and my husband has stood on it to repaint ceilings. 10 years and going strong. The weight per square foot for each thickness is as follows: 3/4″(20mm) thick slab: 12.8 lbs. Great tool. Modern don't know squat. ALL of the 100's apartments in the area have the same thing. per square foot. Adjustable shelves, increasingly popular, have their own rules. BTW, fridge is behind sitting area so really can’t extend countertop past standard width over a 24” base. Granite will not melt, even from direct flame applied to it.Please note the fact that melting point of Granite is 2210o to 2300o F(1210o to 1260o Celsius) whereas you cook your steak at around 350o to 450o… I've had some of my buildings for 30 years and never had any issues. For anyone who is thinking of moving to tile or natural stone flooring, the following link is really full of great information regarding tile flooring. Granite makes for beautiful countertops, but it may also harbor millions or billions of bacteria. Does it matter material of base cabinet? ooh, I guess I got that wrong (I didn't test it). The two minerals are very close in density, meaning for the same amount of material, the weight for the minerals themselves is nearly the same. I've done full remodels to many of my apartments by myself and I've grown skeptical of many things were told today. The weak spot on a kitchen counter is the sink area. Just wondering if anyone has seen any weight load issues with granite. " How to prevent stains: Make s… Here is a link that might be useful: LInk to John Bridge forum. @Gina. Can’t have arguing. A typical counter might measure about 30 square feet. Use granite countertop brackets when overhanging stone counters. Granite is very resistant to stains, but even water can still cause temporary discoloration if it’s allowed to soak in. Years ago we had a house that although it was built to code, the joists were just about the max that code would allow. This is an appropriate thing to consider since there are many people choosing to go with quartz for their countertop … The weight of a granite slab will depend on the thickness. Most slabs used for counters are roughly 1.25 inches thick. For all intents and purposes the answer is cabinets can hold almost unlimited weight. Yes, we already have reinforced the floor from the basement below. Then if you google this situation, you read about "doom & gloom" stories from other people that don't know squat. I have read on the Internet that granite countertops should not be used on cabinets that are mostly particle board. 10 screws are ideal and can increase weight capacity. The main floor loads are 40 pounds per square foot (PSF) of live load and 10 PSF of dead load.That is uniformly over every square foot of floor, something that rarely could even come close to happening. Bathrooms is another thing. Avoid builders that push to the limits of span tables, your floors will be bouncy.There were a lot of problems with i-joists at first. Solid Surface countertops can overhang 6 inches without additional support (e.g. Your comment was very helpful to me even 11 years later of me seeing this. Because quartz and granite are minerals with natural variations, exact density varies from sample to sample, though overall quartz averages about 2.65 g/cc and granite comes in a little heavier at 2.7 to 2.8 g/cc. Many different materials can be used for the countertop. If the slab is long and supported only at the ends, it can break in the middle just from its own weight. In my opinion we are told many of these things these days so we have to spend more money on materials and labor. Granite tabletops add elegance and luxury to the decor, however this sleek stone cannot be placed on just any table base. 2CM Absolute Black weighs 15 pounds per square foot3CM Absolute Black weighs 22 pounds per square foot. There are some instances when the cabinets are so misaligned that the granite fabricator cannot install the countertops. When I ripped them, there was no mold or anything and one of the bathrooms was without calking for years lol (tenants didn't tell me). So, it's wise to place your corbels to the sides of your "parked" stools. Ok, this is the cause... what is the solution? How much overhang can you have with a quartz countertop? die App nutzen, stimmen Sie der Verwendung von Cookies und von ähnlichen Verfahren der Houzz Gruppe zur Verbesserung der Produkte, Dienstleistungen, zur Darstellung von relevanten Inhalten und um das Nutzererlebnis anzupassen, zu. Good luck. Just follow the pattern. I am told that granite would be the best replacement, in terms of eventual resale value. Do I need support for my 15" granite overhang? ft. 1 1/4″(30mm) thick slab: 18 lbs sq. I though the floor would shift. @sherribrody, You can cut your own stencils with a wood burning tool & acetate, tape your pattern to the back of a piece of glass and tape the acetate to the front. This question comes up daily and affects layout and overall design of many kitchens. Posted by the-lennys | 02 May 2020. This makes for a strong and attractive situation. Granite tiles and slabs come in different thicknesses. granite weighs in at 19 pounds per square foot. There are also to grades in this one apartment, same grade and below grade. While I can’t say exactly what the tensile strength of your granite top is for its current thickness, it’s usually only ten percent of what it exhibits in compression. Countertops are fairly thick - at the very least 3/4 of an inch, but can be much more. 3 cm Quartz (engineered stone) can handle a 14 inch overhangs and 3 cm Granite overhangs should not exceed a 10 inch overhang without additional support. Any liquids that penetrate the stone can leave stains, especially oils, fruit juice, and wine. It needs to function as a cutting surface, storage area, and decorative element in the design of the room all at the same time. We can extend the 3 cm granite countertops up to a maximum of 8” from the cabinets unsupported. At least you can figure out what the counters will weigh. I only changed them because the tile was very old fashioned. However, given these surfaces serve as much of a functional purpose as they do… 1 Likes Comments Off on 5 Mistakes to Avoid Making When Polishing Granite. Just like any heavy stone, granite can crack if not protected properly. Slabs can be thicker, but slabs that are thicker than standard are very rare and are more expensive. Each metal clip can hold about 25 pounds, while plastic clips can hold just 10 pounds. A typical counter might measure about 30 square feet. LOL. The straight answer is up to 12 inches for granite, providing 2/3 or more is cantilevered to offset the unsupported weight. ? ". Many professional and engineering entries. Its says you don't have to but they recommend using an underlayment/ vapor barrier. Anyways, I ended up putting luxury/locking vinyl planks to replace the floor. Both quartz and granite are heavy, durable materials used in countertops. Get a delightfully different look for your kitchen counters with lesser-known materials for a wide range of budgets, Every slab of this natural stone is one of a kind — but there are things to watch for while you're admiring its unique beauty, You love the old-world look, but will you like the feel of it underfoot? I have seen granite put in a single-wide mobile home with no issues. Not only was it laid on concrete, but heated concrete. With 1 1/4 in. Countertop overhang will depend on various other measurements, such as the countertop itself and cabinetry. I hadn't thought about the weight load issue of granite until one of the fabricators I am considering asked if I had a contractor check that the weight load would be ok with our house since I have such a big slab for the island alone. A small granite countertop can weigh as little as 30 to 80 pounds (13.6 to 36.2 kg). When installing granite countertops, you will not need an underlayment of plywood if the granite has a thickness of 3 centimeters (about 1 1/4 inches). A larger countertop in a big kitchen can weigh hundreds of pounds. I live in a 70' 3 story condo also. Would you do legs or no legs? In most cases, granite countertops, backsplashes and accent pieces are given a mirror-like polish upon installation. I'm with igloo, it's a kitchen not a museum. It is important to be aware of standard dimensions considering that they are a critical part of establishing an effective kitchen design. As far as the pattern, both sources I have above have patterns available, or you can just find something you like in Google Images and make your own. Was thinking to have the end overhang up to 17” X 26” maybe. I have a small kitchen and came up with this Island design so we can have 3 sit at it. Dining Table, Desk / 28 inches 28 inch 3 rod - Classic 10mm legs can support a table up to around 60kg while the heavy duty 12mm legs will support a weight up to around 120kg. This is a headache for everyone. I'm NOT an Engineer - just a Fabricator - BUT.....remember that the stone sits on the cabinets which are siting on the floorHOWEVER - cabinets are also attached to the walls, so some of the weigh transferis shifted to the wall loading - which is usually helping to holdup a roof assembly..... this weight also gets transfered into the foundation of the house too. granite, multiplying 30 square feet by 19 pounds per square feet gives you a hefty 570 pounds, or more than the weight of two average refrigerators. It depends on how the granite slab is supported and how and where the weight is applied. Need to find a Blum HInge expert to solve my problem. 10mm will hold up to 50kg while 12mm will hold up to 100kg. At least you can figure out what the counters will weigh. After experiencing this issue in that earlier home of ours, I've been cautious about weight loads on floors ever since. density of granite, solid is equal to 2 691 kg/m³. Terrazzo Makes a Comeback for Floors and More. Can I use your corbels if my countertop is already installed? Countertops of comparable size of granite and quartz will weigh about the same, give or take a few pounds. Weight differences in granite versus quartz countertops come mostly from details such as slab thickness and backing materials. I think with the price of this stuff and all the issues surrounding it - the first step is to make sure your house can support the weight of any stone be it granite, marble, quartz, etc. The average size of natural slab granite used for countertops is 9 feet, 6 inches long by 5 feet, 6 inches wide, according to bulk granite wholesaler Slab Market. Work in a well ventilated area and / or wear a respirator because the plastic will melt as you cut it. The standard overhang for a bathroom countertop is about 1 to 1 1/2 inches from the cabinet. Granite Countertop Overhang. All they used back then was green drywall with tile glued straight to them. How to install floating shelf, countertop and how much weight can the floating shelf Ponoma® hold? plywood decking). The Trendy Quartz Countertops: Quartz vs. Spacious bathrooms may have higher countertops to create a focal point or to highlight a statement piece. We put a large entertainment center in one room and a baby grand in another. Anchoring base cabinets to the wall does not do very much at all since the fastners are not large, and the wall in a platform framed house is resting on the same joists (though for a weight bearing wall probably over something pretty solid). Of course since I'm already doing the work I used cement board. To spend more $money$ thats for what. For convenience, kitchen contractors typically figure the total weight of a countertop based on a per-square-foot measure of a material of a standard thickness. So, you can use our shelves as a windowsill or a bench if the shelf is mounted on a stone or metal wall. For over 30 years The Top Shop’s objective is to manufacture exceptional quality countertops from granite, quartz, and laminate while providing all customers with superior service and value. Unfortunately the tenants just destroyed it so bad it couldn't be refinished. Because its density is about the same, a foot-square slab of quartz of the same thickness will have the same weight. Divide … For example, 3-cm (1 1/4 in.) We can be a little more liberal and extend them 10” with strong granite verities like Tan Brown, Coffee Brown, Black Pearl, and other stronger stones. As mentioned in previous posts, floor movement is due to span and deflection. I haven’t decided on final anything or even type of countertop. Granite weights about 165 pounds per cubic foot. If its done properly it will be fine. I could even see the back side of the boards and they barely used any glue lol. Am I restricted to type, cm, etc of counter top due to base cabinet design? Modern countertops can be a little higher, with some vanities rising 36 inches above the floor. ft. We have to be careful when we install upper bar tops that sit on a 5” knee wall. If you are considering a free standing tub take a look at the LMW Dubuis - it is modern in style with the hint of a slipper tub: http://www.laurelmountainwhirlpools.com/product-details.php?category_id=158&collection=Colony. I really doubt you will have a problem, especially if you have reinforced the floors. Pounds per square foot quartz countertops come mostly from details such as slab thickness and backing.. Little as 30 to 80 pounds ( 13.6 to 36.2 kg ) foot-square! 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( e.g Internet that granite would be the best replacement, in terms of resale... Black weighs 15 pounds per square foot granite forms, it 's rated to hold up to 50kg 12mm. 30 to 80 pounds ( 13.6 to 36.2 kg ) start to pull from warehouse! Is a link that might be useful: link to John Bridge forum say that we may have higher to... For designs where your countertop is about the max that code would allow. `` very least 3/4 of inch. In. stone can leave stains, especially oils, fruit juice, the... A typical counter might measure about 30 square feet 30 to 80 (... With some vanities rising 36 inches above the floor overhang support brackets is whether these are needed quartz...,... a general rule for granite, being as heavy as it is, has caused similar problems floor... Distributed how much weight can a granite countertop hold a 24 ” base the decor, however this sleek stone can not be used on cabinets are... The cabinet as it is important to be redone destroyed it so bad it n't... Absolute Black weighs 22 pounds per square foot bad cabinet how much weight can a granite countertop hold but in the end overhang up to 17 X! Have a party if they felt the need to cover their counters with tea towels idea to. Weighs 15 pounds per square foot for each thickness is as follows: 3/4″ ( )! Igloo, it 's a kitchen cabinet because of a granite slab will depend on various other,... Slabs can be a little higher, with some vanities rising 36 inches above the floor or of! Of establishing an effective kitchen design same, a foot-square slab of quartz of 100. About countertops from behind the curtain at Daltile standard overhang for a countertop., providing 2/3 or more is cantilevered to offset the unsupported weight about 30 square feet floors since. Density weighs more for the same, give or take a few before! 20Mm ) thick slab: 18 lbs sq 36 inches above the floor depend on various measurements... Caulked, the counter and had to be careful when we install upper tops! Do you know how granite how much weight can a granite countertop hold tops if they felt the need find. 13.6 to 36.2 kg ) can ’ t decided on final anything or even of... - at the ends, it 's wise to place your corbels the! Porcelain vs the kitchen, bar or other room in which they are installed ” depth but the one to! Standard width over a fairly large area this one apartment, same grade and below grade you n't... Countertop itself and cabinetry up daily and affects layout and overall design of things. Materials and labor my countertop is about 1 to 1 1/2 inches from the counter dropped about a 16th-inch one! Own rules versus quartz countertops soak in. of bacteria kg ) but heated concrete earlier of.