Run Numbers – Re Previous Post

Run numbers are important!

Re my previous post, before I visited, the homeowner had purchased 8 rolls (4 double roll bolts) of paper. This was just exactly enough (12 strips) for the headboard wall, but I told him to order 16 more to do the rest of the room. The new paper came in a different run. So we had Run 16 for the headboard accent wall, and Run 17 for the other walls.

(You can’t mix runs on the same wall, because different runs, printed at different times with different batches of ink, will be slightly different shades. This very slight color difference will show up on the wall as a striped or “paneled” effect.)

The wallpaper is by York. It is a non-woven material, comprised of synthetic fibers rather than wood and cotton. The synthetic material does not expand when wet with paste, which means the wallpaper can be hung via the paste-the-wall method, with no “booking” or “soaking” wait time needed.

Interestingly enough, Run 16 behaved differently from Run 17. I hung the accent wall with Run 16 quite successfully using the paste-the-wall method.

But when I started the next wall using Run 17, bubbles and wrinkles developed. The paper was absorbing moisture from the paste and expanding on the wall, creating the small bubbles. Quite unexpected with a non-woven material.

The solution was to paste the back of the wallpaper, rather than the wall. This allows the material to absorb moisture and expand a tad before you get it to the wall, so it will behave itself once it is on that wall.

Unlike a traditional paper, this non-woven material did not need a lot of time to absorb moisture, but could be pasted and hung immediately. This greatly speeds up the installation process.

Pasting the paper has an additional advantage in that it renders the material more supple and pliable, which makes it much easier to work around corners or manipulate into position in tricky areas.

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