I use Sis404, 5200, sikaflex 61a etc and blue tape off the hardware or
window surrounds and so on applying a moderate layer of ikumpucky with
maybe a 1/8 inch border and wiping off the excess. When I peel the
tape there is never a good line like with paint, it's always ragged or
smeared. I've tried different wait times but it's never much
different. Is there a technique you salty professionals use? Thank
you.