The Fact About Composite door handles That No One Is Suggesting
NFPA 80 and NFPA 105 never particularly state fire doors and smoke doors require smoke gasketing. The real key is to examine the applicable code or conventional, such as the International Making Code, for any limitation on air infiltration, ordinarily a reference to UL 1784, Air Leakage Assessments of Door Assemblies, as being the test conventional