Vicoustic’s Flexi Glue Ultra represents a secret weapon of sorts for building your ideal acoustically treated sound space. Designed to be used with a variety of materials, including polyurethane and polystyrene Vicoustic solutions, Flexi Glue Ultra is an easy-to-apply, quick-drying formula developed for strength, versatility, and safety in collaboration with leading chemical industry professionals. To apply, first prepare the surface by ensuring it is clean, dry, and free of any particles or grease. Next, cut the tip of the glue nozzle at a 45-degree angle and apply the glue to the back of the acoustic panel using a pressure gun, leaving four to five centimeters between the panel edges and the line of glue. After applying, wait no longer than 10 minutes to attach the panel to the surface; once in place, hold the panel firmly against the surface for at least 15 seconds. Sweetwater sound professionals find the simple, straightforward process of applying Vicoustic’s Flexi Glue Ultra affords virtually anyone the opportunity to upgrade their home theater or recording studio into a beacon of audio bliss with professional-grade Vicoustic sound solutions.