Of the two, plumber’s putty is the most widely used and preferred by most people.
While the silicone caulk is just as good if not better, it is a little tricky to use. Silicone caulk is a modern solution to sealing sink drains (among other applications), mostly preferred for its waterproof qualities. If properly done, a sink drain installed using silicone caulk can last for a long time.īoth silicone caulk and plumber’s putty however don’t last forever. The seal will after a few years (depending on how well it was installed) break and the sink will start to leak from the bottom/underside.
If you decide to seal you sink drain with caulk, make sure you use 100% silicone caulk, preferably white or clear. Unlike other varieties of caulk, this type of caulk is waterproof and will not erode easily despite the constant contact with water.
#Clickinstall drain how to
In this blog post, I will show you how to seal a bathroom and kitchen sink drain using plumber’s putty as well as silicone caulk. If you use the space under your kitchen sink to store stuff remove them to allow yourself enough space to work with. The P-trap is the U-shaped part of your sink drain which looks like an inverted P. It holds a little amount of water at all times, preventing sewer gases from coming up to your house.
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