good luck, i dont have any advise for you. we tried everything just short of super glue...we tried the tack and tape method that they suggested when i bought it...eh didnt work out to well, like you it sagged in the middle got caught on a pallet and creased the heck out of it....What i've been using is a piece of lexan clamped in with the screen that has no mesh in it...working really well..the lexan has just enough flex for the off contact...