Just finished a new shower enclosure and installed a price pfister shower head and single knob valve. The back of the flange comes in the box with a sort of weatherstripping (foam) material which is supposed to compress and seal out water. I feel skeptical about the effectiveness of the foam and wonder if i need to use putty in addition to or instead of the foam. My buddy who is a gc said the foam is newer thing and will work just fine. Am i being paranoid? What should i do?
It is certainly not going to hurt anything to put some type of sealant around the trim plate. I usually do not add anything to the foam, but sometimes if the hole in the wall is big, I will use some caulk.