Slide issue

[Goliath-goes]

2 days ago we noticed many air bubbles under the wall paper of our living room slide. Checked for leaks and see none. All deals are good. Wall is solid but what would cause all the bubbles. This is on 2020 381th

[Canonman]

If it's been warm/hot it could be the glue outgassing. Have you tried using a wallpaper roller to smooth them out?

[Goliath-goes]

No we haven’t yet. My son in law said to use very fine needle and puncture them all your way sounds better. Thank you. I didn’t know about off gassing

[skids]

That is what I would do. Perhaps the glue reacted with a coating on the panel'