Today a special type of silicone caulking.
Best adhesive for sink to granite.
If you re doing it yourself you will need to clean as much of the old silicone off of the sink as well as the bottom of the granite.
Make sure that the sink is centered over the sink hole.
I believe the sealant they use is a silicone one.
Depending on how long ago you had the sink put in i d call the builder to have it redone.
Product overview loctite pl530 mirror marble and granite adhesive is a premium grade adhesive formulated specifically for use in general kitchen and bath applications.
Pl 530 is formulated to bond in wet and humid areas.
How to attach a sink to a stone countertop.
Undermount sink clips support brackets 10 pack universal epoxy sink clip kits for kitchen marble granite countertop bathroom vanity sinks 4 7 out of 5 stars 22 12 87 12.
With a felt.
Feel around the edges.
Silicone caulking seals sinks to the countertop and prevents water intrusion.
Place the sink upside down over the sink hole in the countertop.
While tile caulking seals the seams where tile marble or granite meet the upper edges of the sink using an adhesive at the underside of the countertop ensures a proper installation.
Then the top surface of the sink is flush with the underside of the granite.
Lay the countertop polished side down on a work table or on 2 x 4s across a pair of sawhorses.
Silicone is a pretty strong adhesive but not that strong.