Do you put plumbers putty under kitchen sink?
There is almost no sink that plumber’s putty will seal properly. It is intended for areas under compression and a kitchen sink does not come under that description.
How do I fill the gap between my kitchen sink and wall?
If you can reduce the gap to 1/4 inch or less, you’ll be able to fill it with acrylic latex or silicone caulk. If the gap is wider, stuff some backer rod in first. This is foam beading that supports the caulk and prevents it from sinking and forming voids.
Is it better to use plumbers putty or silicone?
Both plumber’s putty and silicone are sealing compounds designed to provide a water tight fit for pop up drains, sink strainers, undersides of fittings, showers and drains. Plumber’s putty is more traditional while silicone caulking is a more modern product, but either one (in most cases) can get the job done.
What should I put between wall and sink?
Use Caulk And A Backer Rod When using caulk to stop a gap between a vanity and wall, it’s best to try to use color matching caulk to do it. This reduces the chance of having a visually jarring border around your vanity.
How do you seal a drop in sink?
Remove the sink and run a bead of silicone sealant around the sink cutout to seal the rim against moisture and leaks. Carefully lower the sink back into the cutout and press the sink firmly into the sealant. Make sure that the sink is level and properly aligned.