<p class="ingestion featured-caption">There are a few things to avoid doing when using wallpaper in your home.Vostok/Getty Images</p><ul class="summary-list"><li>Business Insider asked <a target="_blank" class href="https://www.businessinsider.com/how-to-make-bathroom-more-luxurious-according-to-interior-designers">interior designers</a> about the mistakes to avoid while using wallpaper.</li><li>Not choosing the right type of wallpaper for a room can backfire.</li></ul><p>The days of plain-white walls are gone, and wallpaper is making a comeback. </p><p>Whether you opt for bold florals, sleek geometric patterns, or neutral tones with texture, <a target="_blank" class href="https://www.businessinsider.com/easy-peel-and-stick-wallpaper-hacks-tips-2023-2">wallpaper easily adds personality</a> and color to any room. However, using it effectively requires careful planning. </p><p>That's why Business Insider asked two interior designers — TC Chou, an NYC-based architect, interior designer, and the founder of <a target="_blank" class="editor-rtfLink" href="https://designdetermination.com/">Design Determination</a>, and Angeline Guido Hall, the principal designer and owner of Dallas-based <a target="_blank" class="editor-rtfLink" href="https://www.angelineguidodesign.com/">Angeline Guido Design</a> — about the top wallpaper errors they see people make.</p><p>From application mishaps to aesthetic faux pas, here's what they said.</p>