No adhesive, the vinyl needs to breath (thermal expansion). It wouldn’t be hard to pop the siding out and install what Larry has pictured, the utility trim, or “finish” trim, inside the J-channel below window.
No adhesive, the vinyl needs to breath (thermal expansion). It wouldn’t be hard to pop the siding out and install what Larry has pictured, the utility trim, or “finish” trim, inside the J-channel below window.