This foam sealant meets ASTM E84 Class 1 fire rating requirements, ensuring safety and compliance with building codes. Additionally, it is GREENGUARD Gold certified, making it a safe choice for both residential and commercial environments. HandiFoam Straw Foam Sealant is easy to apply with a convenient straw applicator, making it a user-friendly solution for DIYers and professionals alike. Its versatility and reliability make it a go-to option for sealing a wide range of gaps and cracks while providing lasting protection against the elements.