Quality fire-rated doors with correct seals and hardware resist warm and smoke migration
https://www.livebinders.com/b/3722222?tabid=4611a7e7-6565-199d-1bf1-bade8a84cf1a
Quality fire-rated doors with appropriate seals and equipment resist warm and smoke movement, assisting orderly discharges and protecting equipment, files, and fit-outs that represent substantial business value.