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What is Granite

What is Granite and why do you need to support your granite countertops and overhangs?
granite what is it

Watch this video of how easy granite can brake. As you can see it doesn't take much to snap granite. Its no wonder that granite has been used by generations of humans throughout history to build with. Because it is beautiful and so easy to shape you can date granite as a building material way back in human history.

What Wikipedia says about granite.

The word "granite" comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a crystalline rock.

Granite (pron.: /ˈɡrænɨt/) is a common widely occurring type of intrusivefelsicigneous rock which is granular and phaneritic in texture. This rock consists mainly of quartzmica, and feldspar. Occasionally some individual crystals (phenocrysts) are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic texture is sometimes known as a porphyry. Granites can be pink to gray in color, depending on their chemistry and mineralogy. By definition, granite is an igneous rock with at least 20% quartz by volume. Granite differs from granodiorite in that at least 35% of the feldspar in granite is alkali feldspar as opposed to plagioclase; it is the alkali feldspar that gives many granites a distinctive pink color.Outcrops of granite tend to form tors and rounded massifs. Granites sometimes occur in circular depressions surrounded by a range of hills, formed by the metamorphic aureole or hornfels. Granite is usually found in the continental plates of the Earth's crust.

Granite is nearly always massive (lacking internal structures), hard and tough, and therefore it has gained widespread use as a construction stone. The average density of granite is between 2.65[1] and 2.75 g/cm3, its compressive strength usually lies above 200 MPa, and its viscosity near STP is 3-6 • 1019 Pa·s.[2] Melting temperature is 1215 - 1260 °C.[3]

Granitoid is a general, descriptive field term for light-colored, coarse-grained igneous rocks. Petrographic examination is required for identification of specific types of granitoids

Link to Wikipedia

Tips for granite in your home and safe handling of your granite overhang or bar top.

Well its one thing to know about where granite comes from or even how it is fabricated into granite slabs that end up in your kitchen or bathroom. But now we should talk about how granite can effect your decision to have it as a bar or overhang in your home.

Granite support

Protect your granite with Island Granite Brackets.

Granite overhangs and bars are made from the same stuff your countertops are. Usually the slab in a kitchen is 3cm thick and although it is considered thick in regards to most applications it is still thin enough to snap under its own weight when extended too far out without support like a Granite Bracket.

Granite is a very pours material, it has been said its like a big peace of glass with imperfections running throughout it. If you watch installers carry it into your kitchen you will see them carry it standing vertically as to insure it doesn't snap. If they where to carry it in like a table top they would not only brake the granite but run a very serious risk of loosing a foot.

Granite must be used with Granite Brackets

Granite Brackets are used to strengthen and secure granite so it is safe in your home. Any granite overhang needs support. How much support you ask. Well it really depends on the granite you are using. Ubatuba or Black Emerald at 3cm is stronger then a 3cm piece of Rainforest Green that is beautiful but very pores and if not supported with a fiberglass backing and Granite Bracket can become a very serious accident waiting to happen.

Any granite with more then 4 inches overhang needs protection or support when it comes to an overhang. Well you might ask, why is it safe to use in a cabinet countertop application? Because cabinets are supporting it in a box type of formation of no more then 16 inches away from an edge. But we are talking about granite over hanging away from the cabinet with one side not supported.

The Granite Bracket is so easy to install anyone can do it. We also have a support hotline you can call and get help. Call 1-888-960-3854

Granite Quarry
This is a picture of a granite quarry in North Carolina

Granite comes from the volcanic "Hot Spots" and melting stone.

Granite is formed over hot spots caused by volcanic activity pushing certain minerals together under great heat and pressure. It forms just under the earths crust in very dry conditions. This is called A Type of Granite and a very good example of this can be found in the Yellowstone National Park in the rhyolites. Bellow is a flash slide of what happened there at the Yellowstone caldera.

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The Yellowstone Caldera is the volcanic caldera located in Yellowstone National Park in the United States, sometimes referred to as the Yellowstone Super volcano.

The Earth is still creating Granite.

This is a video taken at Yellowstone of a mud volcano. Its interesting because as you can see the earth is not done growing and is still in the stages of producing itself. We can only imagine the past until we see that we are not that far from it. Granite is still being created to this day.

Granite Countertops can and will snap off and cause serious damage if not supported.
This is a picture of one of the Centerline Brackets that support granite countertops on a cabinets. The fact of the matter is that installers used to use corbels. Wooden corbels are attractive in their own sense but they are not always as safe as they need to be. Corbel usually only support about 5 inches out from the edge of a cabinet. But if your granite countertop is 21 inches deep then you might be in danger of the granite overhang snapping off and causing some very serious damage.

Can you use our granite brackets with corbels?

The answer is yes. But can you use a corbel with a 5 inch reach without a granite bracket from Centerline Steel and be safe? No unfortunately you need to add extra protection because of the nature of granite. Granite as you have read above is very porous and will snap or break if you do not support the countertop with something as stiff as possible. That is why our granite brackets are made from 1/2 inch thick steel. Each granite bracketed is 2 and a 1/2 inch wide to maximize the protection of your granite countertop.

The Granite Bracket is so easy to install anyone can do it. We also have a support hotline you can call and get help. Call 1-888-960-3854




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Granite Brackets are used to support granite countertops.

1. Our Countertop Granite Bracket for granite overhang and bars are the thickest granite bracket made for holding up granite countertops. 

2. Our Granite Bracket has off-set counter sunk holes to get the best grip on any supporting wood. 

3. Our Countertop Granite Bracket for granite countertops and bars are trusted in the field of granite installers. The first Countertop Bracket for Granite ever installed years ago is still doing its job and will for years to come holding and supporting its granite kitchen countertop.

4. Our Countertop Granite Bracket for granite is easy to install even for the home owners that are getting a new granite kitchen countertop and overhangs.

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