Here are a few details. ( Log Out /  Weigh on a scale the contents you plan to put on the shelf. The shorter the span, the more weight the shelf can carry, or the thinner glass can be to bear the same weight. For example, a 1-inch-thick length of tempered glass holds almost 200 pounds if its supports are 5 feet apart; the same glass shelf can hold more than 5,000 pounds if supports are 1 foot apart. A similarly long 3/8" piece of glass can bear 18 pounds and a 1/2" piece can bear 33 pounds. Katherine Harder eHow Contributor, Original article found on: http://www.ehow.com/info_12041295_much-weight-can-put-glass-shelf.html. In my example, 1/4-inch thick glass could handle the load, but if you added anything to the shelf later, it would break.

Their chart demonstrated how the weight bearing capacity decreases as the span widens. L.P. Klages is an entrepreneur and software developer, concentrating on information theory, software user experience, and mathematical modeling.

Divide the weight from the previous step, by the total square footage you calculated in Step 3.

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Find the square footage of your shelf by multiplying the width times the depth, in feet. Your 42" is an awful long area to trust to just glass. (Cabinetmaking Forum)

From contributor A: For example, 3 feet times 2/3 of a foot (8 inches) is 2 square feet. I'm looking to buy a glass shelf that 35"W x 18" D and and probably 1/4" thick. Top-Mount refrigerator doors have been tested to handle the following weights: Cubic Feet. I'd figure out how to get a center support in there somewhere, or build a wood or metal picture framework and use that to buttress the glass. Change ), You are commenting using your Facebook account. Then, trace down that column until you reach a number that's greater than or equal to the pounds per square feet of load you calculated in Step 5. Their chart demonstrated how the weight bearing capacity decreases as the span widens. This will be constrained by the depth of your bookshelf, but a typical one for a shelf is 8 inches. How much weight can a Glass Shelf hold? Annealed glass shelves ¼-inch thick won’t hold anything heavier than about 70 pounds, even with a lot of strong supports. Before you install your shelves, weigh them. Change ), You are commenting using your Google account. (70 lbs for Wire Shelf) 17 lbs. Generally, thicker glass is better able to hold heavier weights without shattering. © Copyright 2020 Hearst Communications, Inc. Consider getting glass thicker than you need, just in case. Measure the depth of the glass you need. A 3/8" piece of glass that long will look nice and light but will likely only be able to bear a maximum of 3-5 pounds of weight. ( Log Out /  Change ), http://www.ehow.com/info_12041295_much-weight-can-put-glass-shelf.html. ( Log Out /  I need to put glass shelves in a frameless 42" upper dish cabinet but I am nervous about their weight-bearing capacity. It may be a span of 3 feet, for example. When in doubt, get thicker glass. Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, ... is not much. Author: 18 cu. For example, 10 pounds divided by 2 square feet is 5 pounds per square foot. ft. 66 lbs. If you're thinking of adding glass shelves to your family room's built-in bookcases or your dining room's china hutch, you'll need to know how thick the glass must be to bear the weight you plan to put on it, to prevent breaking. For example, you may want to place several decorative objects on the shelf, totaling 10 lbs. Typically, manufacturers use only toughened glass for shelves, casings and other architectural purposes, since decorative glass, such as cathedral or obscure glass, aren’t strong enough to support much weight. ( Log Out /  Top Freezer Refrigerator - Shelf and Door Bin Weight Limits. Measure the depth of the glass you … Your example, being 42" wide, means that you're probably at the (pardon the pun) break-even point. The stress on the glass over extended periods will increase the risk of breakage. He has been writing about technology and the business of technology since 1999. The shorter the span, the more weight the shelf can carry, or the thinner glass can be to bear the same weight. Even though thicker, heat-treated glass can better support heavy weights, breakage is still a risk if you improperly support the shelves’ bracketing. While thicker pieces of glass can safely support large amounts of weight, thick glass with short distances between support brackets can support even more. Tempered glass can hold significantly more weight, but usually glass shelves this thin are completely safe only for lightweight bric-a-brac and other small decorative items. 21 cu. Two to three times stronger than annealed glass, heat-treated glass undergoes a rapid cooling process that partially tempers the material. Click on the "Permissible Loads for Glass Shelves" in the references section, and refer to the chart in the document. Include the weight of the shelves along with the weight of the load they’ll carry when you purchase your installation hardware. If your span between supports falls between these—18 inches, for example—then round up to the next higher number of feet—or 2 feet. The amount of weight your shelf can safely hold depends on the type of glass. I plan to use shelf brackets on all …

Glass shelving’s maximum weight load depends several factors, including the type of glass, its thickness and the distance between the shelves’ supporting brackets. … If you have a bookcase or something similar, the width of the opening of the case is what you want. Fresh Food Door. Most commercial glass shelves are between 3/8-inch to 5/8-inch thick, which allows for moderately heavy items, such as a couple of books, while keeping support distance reasonable. For example, if your shelf is 3 feet wide and needs to carry 5 pounds per square foot, start at the column with "3" at the top, and trace down until you hit the second row, which reads "5". Klages attended Jacksonville University in Jacksonville, Fla. How Big a Table Base Do You Need for a 54-Inch Glass Tabletop? Fortunately, glass strength is well established, so finding out how thick your shelving needs to be is as simple as taking a few measurements and looking up the capacity in a chart. Measure the width you need the glass to be by measuring the distance between the supports on either side. ft. 60 lbs. A standard shelf measurement of 3-foot by-1-inch-by-12-inch should bear the following weights: 313 pounds for oak shelving, 200 pounds for pine, 129 pounds for …

Look to the left margin to see that your glass shelf needs to be 1/4 inch thick. (i.e., a 12-inch wide shelf at 1/2" thick can bear 345 pounds, the same shelf at 2' wide can bear 81 pounds and a 3' span can only bear 33 pounds).

Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. You should plan for the worst possible scenario with the weight. Once you’ve properly anchored or otherwise supported your brackets and installed the shelving, avoid loading the glass shelves with their maximum load. The amount of weight your shelf can safely hold depends on the type of glass. Freezer Door.

Glass shelves allow you to view your display items from all angles, but overloading them can result in damage to both the shelves and the items. His articles have appeared on many sites, including GameDev.net, KenSharpe.net, and eHow. How to Determine the Linear Feet for Buying Lumber, How to Select a Waterfall Pump for Your Pond. Question First, at the top of the chart find the distance in feet—1 through 5—between supports that corresponds to your shelf's span. That would depend on how wide the case is and what will be put on it.


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