ZINS SHIELDZ CLEAR WALL SIZE GAL-02101Make hanging wallpaper easier on painted, glossy or other difficult surfaces with Rust Oleum Zinsser Shieldz Clear Wall Size. This acrylic wallpaper primer also sizes for better adhesion in just one step to prepare your wall for all types of wallcoverings. Shieldz wallpaper primer: Prepares all painted or glossy surfaces for wallpaper or borders Adheres to vinyl, paneling and other hard to stick to surfaces Makes positioning easier and promotes