TYTAN ONE-COMPONENT is ready - to- use polyurethane expanding foam formulated for filling, insulating and sealing gaps, cracks and openings in the interior and exterior of buildings. The multi - purpose formula creates a durable, airtight and waterproof seal that stops air infiltration, provides high insulation value and saves time and energy. It has excellent adhesion to most building surfaces including wood, glass, metal, masonry and plastic. It is environmentally friendly with no CFC's R22 or HCFC's and it is UL Classified.