ROMAN PRO-555 is a high-tack, low-moisture adhesive for a strong, permanent bond. Use PRO-555 for applying new vinyl wallcovering and heavyweight wallcoverings over surfaces where extreme adhesion is required. PRO-555 applies easily with a brush or roller and is not strippable. Designed for contractors, this strong adhesive is LEED compliant and low VOC (<1%). Each order includes one 5-gallon ROMAN PRO-555 Extreme Tack Wallpaper Adhesive (that covers approximately 800 square feet depending on application) and comes with a 1-year limited warranty. Providing quality products for over 75 years, ROMAN's brands are rated number one by professional wallpaper installers. Known as the leader in the industry, ROMAN was the first to introduce pre-mixed wallcovering adhesives, wallcovering primers, and many other innovative products in the wallcovering industry that is a standard on store shelves today.