Metal Deck/Steel Joist Fire Test Information.

Posted: April 2009

Rapid Floor Systems now has 1 and 2 hour UL fire ratings over steel joists/22 MSG corrugated galvanized deck with just one layer of 5/8” Fire Code C gypsum board.

Acousti-Mat II, Enkasonic, and Acousti-Mat 3 are options with any approved Rapid Floor Systems underlayments in UL G560 and G563.