reno,
could you be more specific? I tried searching NEMA's website no no avail.
In reference to the residential fire caulking, the IRC is a bit more specific:
Fireblocking is required "at ceiling and floor level, with an approved material to resist the passage of flame and products of combustion."
We all know that "approved" means acceptable to the inspector, and what is acceptable to all inspectors is a listed product used in accordance with that listing. Or, in other words, red caulking.
