This is my second order for the zipper. I used it to build a storm door on our porch out of marine clear vinyl. Most of the time, the vinyl/zipper assembly is rolled up and fastened out of the way. During major weather, we unroll and zip it to a custom door frame I made for this purpose.Unfortunately, the adhesive on the zipper doesn't weather well. After two seasons, it became tacky and unglued itself from the vinyl. I tried various fixes but finally gave up and am rebuilding the entire assemblSee full review