Mounting unframed tyvek print-large panoramic

I have a 7' x 20' print on tyvek I am having trouble mounting to a wall for exhibition. We are trying double sided tape, dowls, wood slats. If anyone has experience mounting panoramic shaped work please reply asap, it's going up this week! Thanks.

Looks like no replies yet - I haven't had experience with this either. You can search if there are tips on using magnets either on this site or on our Listserve archives here (you'll need to register here