You just received your vintage poster, removed it from the tube but now you have a poster that won’t lie flat. What do you do? So, how do you flatten rolled posters?
Here’s a cool tip for you to relax some of your paper, you will need to experiment a little to find the best result.
A home base humidity chamber, aha!!!
A large plastic storage container, a bucket or large bowl of very hot water. Place the paper and water bowl, cover with the storage container. Monitor over the next few hours.
Blotters after for moist removal on paper.