It holds a little amount of water at all times, preventing sewer gases from coming up to your house. The P-trap is the U-shaped part of your sink drain which looks like an inverted P. If you use the space under your kitchen sink to store stuff remove them to allow yourself enough space to work with. Clear the space under the kitchen sink.
#Clickinstall drain assembly 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. Unlike other varieties of caulk, this type of caulk is waterproof and will not erode easily despite the constant contact with water. If you decide to seal you sink drain with caulk, make sure you use 100% silicone caulk, preferably white or clear. 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 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. Silicone caulk is a modern solution to sealing sink drains (among other applications), mostly preferred for its waterproof qualities. While the silicone caulk is just as good if not better, it is a little tricky to use.
Of the two, plumber’s putty is the most widely used and preferred by most people.
While both will create a good seal, plumber’s putty is the most preferred for sink drain flanges while silicone caulk provides the best seal between the edges of the sink and the countertop.īoth silicone caulk and plumber’s putty have their advantages and disadvantages. Plumber’s putty and silicone caulk are 2 of the best sealants for sink drains. You could also be installing a new sink and wondering which sealant to use to create a watertight and long-lasting seal. If your kitchen/bathroom sink is leaking from below, you will need to remove it, apply a new sealant and then install it again. What is the Best Sealant for Kitchen/Bathroom Sink Drains?