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how far can granite overhang unsupported

by Dallas Ledner Published 3 years ago Updated 2 years ago
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10 inches

Full Answer

How much can granite overhang without support?

In most cases, support is placed underneath unless the overhang is 6 inches or less. According to the Marble Institute of America, you can safely overhang granite that is 1 ¼ inches thick up to 10 inches without support. However, the cantilevered portion cannot be more than one-third the total width of the countertop.

How much support does a granite countertop need?

It has a 15" overhang for seating and everything I read states anything over 10" needs support. I brought support up to the granite contractor and he said no support needed as he proceeded to sit on the edge of the counter.

How far can you extend a granite countertop?

It’s best to assume the worst and add proper support on any extension over 6 inches. An unsupported span of no more than 36 inches is usually acceptable as long as the stone is supported on both sides. For granite, an edge requires additional installation where two sections meet in a corner.

Do you need countertop support for overhanging countertops?

Once your countertop overhang exceeds these numbers, it will require additional support through corbels, base cabinets, or knee walls. At CounterBalance, we’re proud to stock a wide variety of overhanging countertop supports for any countertop installation project.

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How much granite can overhang without support?

8-10 inchThe length of granite overhang available without support depends on a few factors: Granite thickness – granite tops with a thickness of 3 cm can have an 8-10 inch overhang without additional supports. If your granite top has a 2 cm thickness, we recommend attaching a support system should the overhang exceed 6 inches.

How far can granite span unsupported?

36”An unsupported span of 24” and up to a maximum of 36” is acceptable as long as the stone is supported on both sides of the span. Longer spans must be supported across the span. Over hangs should be not exceed 6” for 2cm granite, 10" for 3cm granite and 15" for 3cm quartz beyond the supported area.

How much can you overhang granite?

Granite Overhang Limits Per Experts According to the Marble Institute of America, you can safely overhang granite that is 1- 1/4″ thick up to 10″ without supports. However, the cantilevered portion cannot be more than 1/3 the total width of the countertop.

Does granite need to be supported?

Granite is very durable, so it will not easily crack or break, but granite countertops are typically between two and three centimeters thick. While this is thick enough for kitchen countertops, it requires proper support in all the right places.

Can you install granite without plywood?

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). However, for granite with a thickness of 2 centimeters (about 3/4 inches), you will definitely need to use plywood for support.

Is 2 inch countertop overhang too much?

A countertop overhang provides a lip that extends beyond the front of your cabinets. The purpose of a standard overhang (usually about 1 1/2 inches) is to prevent liquid spills from dribbling down the face of your cabinets and to keep crumbs from finding their way into the drawers and cupboards below.

How far do granite countertops overhang?

Basic granite countertops still need an overhang if they're not going to be flush against the wall. Typically, this is just 1 in. to 2 in.

Does a 15 inch overhang need support?

Overhangs greater than 15” require the installation of corbels. The corbels must be designed to support the weight of the quartz countertop and be mounted to studs.

How far can a quartz countertop span without support?

The strength and durability ensure it can support up to a 14-inch overhang without extra support. However, 70% of your quartz countertop must be supported by cabinetry and the thickness of the quartz must be factored in as well. Even with the strength of a quartz countertop, safety is paramount.

How do you support a large granite overhang?

Use granite countertop support brackets to support countertops with overhanging stone. Considering that granite, marble, and limestone can have overhangs weighing hundreds of pounds, and considering how brittle granite countertops can be, granite support brackets are imperative.

Can kitchen cabinets support granite?

Granite countertops can often be extended beyond the cabinets to give an added functionality to kitchen spaces. At Arch City Granite this is a question we are asked every day. The standard overhang is 1 ½" from the face frame of the cabinets.

What holds granite countertops in place?

Epoxy glue is the most commonly used type for granite countertop installation. It's strong enough to attach the granite to cabinets and to hold two pieces of stone together. You need something just as strong as the stone itself, and epoxy fits the bill.

How far can quartz countertop span without support?

Quartz is one of the best materials for those looking to create a countertop overhang. The strength and durability ensure it can support up to a 14-inch overhang without extra support. However, 70% of your quartz countertop must be supported by cabinetry and the thickness of the quartz must be factored in as well.

How easily does granite crack?

Although, granite is naturally heat resistant, having been formed through heat, constant exposure to heat over extended periods can weaken the stone leading to cracks. The damage is extensive, especially if the stone is cold at the time of heat exposure, and the difference in temperatures is large.

How far can a laminate countertop span without support?

Unsupported. Up to 6 inches of overhang can be added to countertops without bracing if the particleboard or plywood is doubled underneath the overhang.

Can granite countertops break?

Very tough. So, the last thing anyone expects is a crack developing on the surface of their kitchen or bathroom countertops. However, it is possible for granite to crack from improper care, wear and tear, and sometimes it may even be a natural part of the stone.

How far can granite span without support?

When you are installing granite countertops, it’s common to wonder, how far can granite span without support? This depends on the thickness of the granite slab that you have. If your slab is 10” thick, you can get away with an overhang that is 1-1/4”.

How to reinforce countertops?

One of the most effective ways of reinforcing the countertops is by using fiber rodding.

What does it mean when a slab is thicker?

The thicker the slab, the longer the overhang you can have without worrying about the countertop being unbalanced.

How to hide seams on a lamination board?

One of the highly effective ways of hiding the seam is putting it on a 45° edge. When you combine the edge lamination with clean edges, color-matched adhesive, and tight seams, you are bound to have excellent results.

How to make a stone seam less noticeable?

When they are clean, you are more than likely to have a cleaner seam. As you are bonding two slabs, pull the stones together. This way, you narrow the gap between the stone edges, making the seams less noticeable . Another highly effective technique is dressing the edges, so they are as straight as possible.

What is granite slab?

Invest in high-quality slabs. Granite is a natural stone that varies greatly in color, veining, and patterns. It also comes in a variety of grades that include: commercial, builder, standard, and premium. For you to get the most from the stone you are installing, you should invest in a high-quality stone.

How to get the most from a stone?

For you to get the most from the stone you are installing, you should invest in a high-quality stone. When you are shopping, be on the lookout for a stone selling at meager prices as it’s most likely of cheap quality. For you to buy a high-quality stone, only shop at reputable stores with a proven record.

How much leg room do you need for a 12 in. overhang?

Using a 12 in. overhang may cause confined leg movement. For seating arrangements, your overhang limit should stay within 15 and 18 in.

Is granite overhanging good?

Granite Overhang Limits for Your Kitchen Countertops. When it comes to a kitchen renovation, choosing granite for your countertops is a great decision. Granite countertops are durable and add value to your home. But when it comes to installing them, you’ll need to consider your kitchen’s design.

Is granite countertop durable?

Granite countertops are durable and add value to your home. But when it comes to installing them, you’ll need to consider your kitchen’s design. If you’re looking for the most optimal use of space, counter overhangs are a great way to achieve this. Use this guide on the different granite overhang limits for your kitchen countertops ...

How much overhang do you need for granite counters?

Most counters are installed with a standard overhang of 1 inch. This may be modified to suit personal taste, but must be stipulated before the granite slab is cut. Granite can be cantilevered up to 12 inches if it’s a large piece with sufficient support on the fixed end.

What is overhang in granite?

An overhang is the distance something can extend without the need for support. The question for homeowners wanting to install granite is: How far can granite overhang before it needs support? Opinions vary on this topic, but since the weight of granite can cause it to crack, making sure you have the proper support is essential.

How wide can a cantilevered countertop be?

However, the cantilevered portion cannot be more than one-third the total width of the countertop. For 3cm stone, use an I-brace support with overhangs that are 12 inches or greater, and for 2cm stone, use an I-brace support with cantilevered brackets or corbels that match the cabinets.

How long should a stone be supported?

In these cases, it must always be supported. It’s best to assume the worst and add proper support on any extension over 6 inches. An unsupported span of no more than 36 inches is usually acceptable as long as the stone is supported on both sides.

Can you drill into granite?

Drilling into the bottom of the stone can cause stress cracks and discolorations in the surface of the granite. Considering the cost of granite coupled with its heavy weight, it would be advisable to support any overhang just to ensure your granite never runs the risk of cracking, which in most cases cannot be repaired.

Can a dishwasher be installed on a granite countertop?

Additional labor is required to match the two sections. It is recommended that a dishwasher not be attached directly to the granite countertop, but be side-mounted to adjoining cabinets. Special brackets are available from the dishwasher manufacturer for this purpose. Drilling into the bottom of the stone can cause stress cracks and discolorations in the surface of the granite.

How much granite overhang without support is OK?

I'm going to have a an island which will be 30X42 inches. I would like to leave about 1/4 of the area without cabinets underneath so as to have room for a stool.

Comments (13)

I have a 12" 'bar' on my peninsula and the granite people said it would need some kind of support, like brackets. Anything beyond 10" they said. So I'd assume that your 15" could be supported by something, but 27" seems extreme. Maybe it could be done with rodding? Not sure. Don't rely on the KD, talk to a granite place.

What is granite overhang?

Granite overhangs are a great way to increase the counter surface area of your kitchen without losing space beneath. Kitchen islands, breakfast bars, and counters with overhangs allow for comfortable seating with legroom beneath the countertop.

How thick is a granite top?

Granite thickness – granite tops with a thickness of 3 cm can have an 8-10 inch overhang without additional supports. If your granite top has a 2 cm thickness, we recommend attaching a support system should the overhang exceed 6 inches.

What are the advantages and disadvantages of countertop legs?

Advantages: Allows for extensive lengthening of the overhang, and can be decorated for aesthetics value. Disadvantages: Greatly hinders available legroom beneath the table top; also eliminates the “floating countertop” look.

What supports are needed for a stone countertop?

If your stone countertop will require additional supports, there are a few options to consider: Corbels – these visible supports wedge between the horizontal surface of the top and the vertical surface of the cabinet on which the top rests.

What are cantilevered tops made of?

They can be extremely ornate or plain and are commonly made of wood, but can also be carved from stone. Advantages: Offers good support by effectively extending the cantilevered surface area of the top. They can also be a nice decorative touch.

Do all stone tops have overhangs?

At All Stone Tops we’ll make sure your stone countertop is installed correctly with properly supported overhangs. We want you to love your countertop for the entirety of its lifespan, and only proper installation and support from All Stone Tops will assure you of a long one.

Do overhangs need support?

Remember, overhangs made from stone even as strong as granite require the proper support to prevent cracking under the weight - there is a limit to the length of an overhang.

How much overhang is onyx?

So to account for the maximum overhang is the lesser of 2/3rd or 12 inches. Even that depends upon the fragility of the material. I would not advise a 12 inch unsupported overhang with Onyx due to how soft and brittle the material is and you can get away with 16 inches if the material was Absolute Black as the material is fissure free and highly hard.

Can you have more or less stones?

You can have more and sometimes less is recommended depending upon the actual stone. Very hard stones can safely support more overhang, providing the 2/3 cantilevered criteria is met. Softer or more brittle stones may dictate less overhang.

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1.How Much Can My Granite Countertop Overhang?

Url:https://flemingtongranite.com/how-much-can-my-granite-countertop-overhang/

8 hours ago  · For seating arrangements, your overhang limit should stay within 15 and 18 in. Because some granite types are sturdier than others, it’s important to ask your fabricator for …

2.Granite Overhang Limits for Your Kitchen Countertops

Url:https://rightonbracket.com/granite-overhang-limits-for-your-kitchen-countertops/

10 hours ago How far can granite overhang unsupported? 10 inches According to the Marble Institute of America, you can safely overhang granite that is 1 ¼ inches thick up to 10 inches without …

3.Overhang – What Is It and How Much Do I Need?

Url:https://graniteunlimitedinc.com/overhang-what-is-it-and-how-much-do-i-need/

23 hours ago You can go with a normal Granite up to 7", if you have like Ceaserstone ore Silestone you can go with one inch more but in your 25" overhang you need at least 20" Brackets and your Overhang …

4.How much granite overhang without support is OK?

Url:https://www.houzz.com/discussions/2531106/how-much-granite-overhang-without-support-is-ok

18 hours ago The length of granite overhang available without support depends on a few factors: Granite thickness – granite tops with a thickness of 3 cm can have an 8-10 inch overhang without …

5.Guide to Granite Overhangs | All Stone Tops

Url:https://allstonetops.com/news/guide-granite-overhangs

14 hours ago  · Without any additional support, solid surface countertop overhangs cannot exceed 6”, engineered stone cannot exceed 14”, and granite overhangs shouldn’t be more than 10” …

6.How Much Overhang Can My Granite Countertop Have …

Url:https://granitetopbuffet.blogspot.com/2012/04/how-much-overhang-can-my-granite.html

2 hours ago  · How much overhang can you have without further support? This ask comes up daily and affects layout and allembracing found of many kitchens. The right respond is up to …

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