

Some manufacturers use inks that fight with their substrates. The substrate absorbs moisture from the paste and expands, but the inked layer does not, so you end up with the bottom layer stretching and forcing the top layer to curl back, resulting in edges that curl and don’t stay tight to the wall.
Any time you smell ink that calls to mind mothballs, you can expect to deal with this issue. It’s pretty common with screen printed wallpapers.
One trick is to lightly sponge the surface with water before pasting the back. Another, which I have discussed here previously, is to paste the paper, fold and book it, and then dip the rolled-up edges into 1/4″ of clean water. Then place the rolled up strip into a plastic trash bag for the booking period. This helps to keep the edges from drying out while the paper books.
On many papers, I’ve found that it also helps to roll a light coat of paste onto the wall, just under where the seams will fall. This works amazingly well to grab the edges and hold them tightly against the wall.
Tags: booked, curled, edges, expands, ink, mis-match, paste, plastic trash bag, screen print, seams, sponge, substrate, wallpaper
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