LOL... never use that yellow expansion foam around doors and windows. Especially if you want to open them again. Don't ask how I know.
The white foam is the good stuff, but not for under your fiberglass tub and shower unit FSJ.
__________________
Gary
Get in, Shu
T Up, Hang
On
!
Member of the Baltimore Built Brotherhood
MY GTO built 4th Week of March 1966
"Crusin' Is Not A Crime"
Keep yer stick on the ice.