How Much Weight Can A Granite Countertop Hold
The weak spot on a kitchen counter is the sink area.
How much weight can a granite countertop hold. Store unopened countertops at normal room temperature approx. Also the weight will be distributed over a fairly large area. Granite counters are typically made from 3 4 2cm or 1 3 16 3cm thick sheets or slabs of granite. For all intents and purposes the answer is cabinets can hold almost unlimited weight.
68 73 f and relative humidity 45 55. Countertops do not open the sealed packaging until you are ready to install the countertop. The support provided by jambs makes weight allowance almost unlimited. Granite weights about 165 pounds per cubic foot.
Most kitchen cabinet manufacturers dictate their own weight limits and 500 pounds is more common albeit likely a conservative estimate. Typical countertops can easily support a 200 lb. If you can t reach the wall while on a ladder and you re worried about the stone s ability to support your weight without cracking i d suggest to put a long piece of 3 4 ply over the counter making sure it reaches over several cabs. A countertop slab that is 25 deep by 8 long weighs about 225 pounds.
Black granite not true granite is denser than light colored stones and weighs more. Avoid placing the countertop next to a hot radiator or laying it down flat on a cold floor. A substance of greater density weighs more for the same volume than one of lower density. Countertops that are fitted over a dishwasher.
How heavy is granite. 2cm granite weighs about 12 lbs. Divide that by 12 and that is what your granite counter top weighs per square foot. Countertops are fairly thick at the very least 3 4 of an inch but can be much more.
Thats way more of everything than my hagen stand has and it s rated to hold up to 1000 pounds. Plus your counter stays clean. 3cm weighs about 18 lbs. Weight of granite countertop.
This extra density is why most black granite countertops are less porous and resist staining. Pressed wood countertops can then be nailed to the top edge of the jambs. The ply will then distribute your weight and protect the stone. 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.
If you have older kitchen cabinets or poor quality cabinets they likely can hold much less weight. Also just placing a bowling ball or heavy tool.