As long as you have a template of the larger cooktop all that s required to create the new opening is a circular saw and a power sander.
Cutting granite countertop for cooktop.
All the new cooktop models available even the 30 size that my old cooktop supposedly is require the rough opening in the countertop to be about 1 2 to 1 larger on each side than the existing hole in my granite counter.
How to cut granite countertops.
Although good granite can be pricey a lot of the cost comes from cutting which you can do at home to save.
Weekend project cutting into granite counter tops to convert 30 inch cooktop to 36 inch cooktop.
While that s true to some extent the procedure and tools you use to cut granite aren t more sophisticated than those you use to cut other hard materials.
Increasing the size of your cooktop cutout in a granite slab countertop requires the same cutting process used to create the original cutout.
Surprisingly the answer is yes this can be achieved with the help from surface link of course.
Granite is the hardest natural material you can choose for your countertop so you d expect cutting it to be more challenging than cutting other materials.