Inside History on Instagram: "👨‍🎨 Professional wallpaper installers use a combination of precision, technique, and the right tools to make seams virtually invisible. The process starts with careful wall preparation—smoothing, cleaning, and priming the surface so the paper adheres evenly. Installers then measure and cut each strip with exact alignment in mind, ensuring that patterns match perfectly from one panel to the next. As the wallpaper is applied, they use smoothing tools to press the ed