You'll be amazed how quiet your home becomes. That's because RetroFoam™ provides a 45-50db reduction on average. Apartment buildings and condominiums are finding RetroFoam™ a great solution for noisy walls RetroFoam™ is non-flammable (class 1 fire rating) product. This adds safety and value to your home. It's also an effective pest barrier from insects. Non-toxic and completely safe, RetroFoam™ produces no fumes, gases or emissions. It's also hypoallergenic. Retrofoam is safe for the environment and your family.