Q: Can flexible and traditional solar be installed using structural adhesives? A: Yes. Can I always use glue? At Sun-Age we are specialized in fixing photovoltaic panels without drilling; at the same time it should be noted that it depends on the roofing: you can glue in the presence of a concrete slab, brick, stoneware, slated sheathing. After testing dozens of options, I found that the right adhesive isn't just about sticking; it's about durability, waterproofing, and ease. Photovoltaic adhesives keep the solar panel parts together. They also help move energy in the panel. Photovoltaic adhesives must last through bad weather. Picking adhesives with the best. Avery Dennison offers pressure-sensitive adhesive tape solutions for a variety of solar panel bonding applications. Avery Dennison tapes are engineered to perform in a wide variety of solar. While technically possible in certain situations with specialized adhesives, directly gluing solar panels to a roof isn"t the standard, recommended practice.