One Step™ Foamable Adhesive is specifically formulated to reduce contractor liability, increase productivity and perform consistently every time. One Step Technology provides true all-weather performance in one single adhesive grade. Utilizing our contractor-preferred application equipment, the adhesive cannot be applied off-ratio. The adhesives are easier to work with on sloped, vertical and rough surfaces. There is a One Step Adhesive available for use with most OEM Roofing Systems. For more information, visit www.royaladhesives.com.