What is the best way to hang a poster without damaging the wall?

Removable adhesive strips are the most reliable damage-free option for most walls. A little surface prep is what makes the bond hold without pulling paint.

• Wipe the wall with rubbing alcohol first so the strips grip a clean, oil-free surface.
• Press each strip firmly for several seconds to activate the adhesive.
• Wait at least an hour before letting the poster carry its own weight.
• For lightweight paper posters, poster putty also works well on smooth painted surfaces.

Avoid regular tape, which can lift paint, and match the strip weight rating to the poster if it is mounted or heavy.