Quality fire-rated doors with appropriate seals and hardware resist warmth and smoke migration
https://www.livebinders.com/b/3722520?tabid=62fda6d9-5947-1e66-964f-e1bb8b0a2433
Quality fire-rated doors with proper seals and hardware resist warm and smoke migration, assisting orderly emptyings and protecting devices, documents, and fit-outs that represent substantial business value.