If this describes your counter select sealants and caulking specially designed for this type of stone.
Attaching sink to granite countertop.
Add boards and shims as needed to ensure the sink stays in place.
This d i y video how to install an undermount kitchen sink to a granite countertop shows step by step instructions on how to install properly stainless steel.
Purchase your sink and position it near the granite countertop.
Wipe up all excess silicone sealant you can reach with a rag and denatured alcohol.
Step 4 drill holes.
These are plastic devices that are generally used to repair a sagging sink that failed because the fabricator took shortcuts and didn t use sink clips or rails.
Make sure you leave about an inch of pipe coming from the stack so you can add a fitting.
With the undermount sink in place mark the potions where the holes need to be drilled on the granite countertop.
Normally it will be 33 x 22 inches from outside the rims.
Careful to buy the right putty if you have a stainless steel sink you can use either kind of putty if you have a granite composite sink you need putty that will not stain the sink first thing you want to do is cut out the old plumbing.
This step isn t difficult but you must set the sink in the right place.
Insert the undermount sink into the hole in the granite.
Raise the sink so it presses against the underside of the countertop and forms a watertight seal.
Four to six hinged brackets push the flange of the sink against the bottom of the granite or quartz counter and are then screwed into the wall of the cabinet to hold it in place.
Here s how you glue a sink to a countertop.
Use the sink clips to attach the sink to the counter.
The rim of the sink will sit below the granite countertop if it s the correct size.
Take the sink out and use a drill to introduce holes in the.
Take the measurements with you when you go to your local home improvement center when it s time for you to select your new sink.
If you are installing a sink within a stone countertop you attach the sink to the underside of the stone countertop with epoxy.
Keep in mind that unsealed stone absorbs stains easier and presents more of a challenge to clean.