A hot pan up to 1 200 degrees fahrenheit will not damage granite even if you place the pan directly onto the granite counter.
What happens if you heat granite.
Stick on heating mats for granite and stone countertops are becoming a popular luxury item for both existing and new countertop installations.
This is because the sealant and finish on granite is not as heat resistant as the stone itself.
An extreme heat source over an extended period could damage granite surface.
Repeatedly placing hot dishes on the countertop right out of the oven can leave black marks on the surface or potentially cause thermal shock and cracks.
How to separate granite countertop pieces.
Granite will resist damage from heat.
The ultra thin mats simply stick on underneath the stone warming up the surface about twenty five degrees.
That said over time exposure to excessive heat can weaken the seal on your granite countertop which in turn can leave the surface more exposed to staining liquid damage etc.
High heat can cause granite sealers to become dull and cloudy.
Its durability beauty and color variations make it an ideal countertop material.
In addition quick changes in heat can lead to weak spots like natural fissures in the stone.
Granite is also heat resistant but placing a hot pot directly on your granite countertop isn t a good idea.
What is thermal shock.
If you do happen to stain your granite it is likely that you can undo the damage.