Nuvo Iron ALA225X54 Attic Ladder, Aluminum, Ceiling Opening: 22X53.5 in

Our attic ladders also adhere to the ASTM standards for fire resistance and requirements. ASTM is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. Some 12,575 ASTM voluntary consensus standards operate globally. Test Requested: ASTM El 19-2020 Standard Test Methods for Fire Tests of Building Construction and Materials. Test Results : According to the test results, the submitted sample fire resistance performance as follows: Fire resistance time: 60 min. Conclusion: According to the test results, the submitted sample meets the technical requirement of lh fire resistance test.