James Hardie® fiber cement exteriors have been tested by various IAS Certified Laboratories to ASTM International standards and are classified as listed below.
Non-combustible (ASTM E136)
See Section 3.1 of the
NER-405 Report or
See the
Warnock Hersey Product Listings
Approved for fire-resistance rated construction (ASTM E119)
See JamesHardie®
Fire-Resistance Rated Wall Assemblies
Flame spread index of 0 (ASTM E84)
See Section 3.1 of the
NER-405 Report or
See the
Warnock Hersey Product Listings
Smoke developed index of < 5 (ASTM E84)
See Section 3.1 of the
NER-405 Report or
See the
Warnock Hersey Product Listings
The
NER-405 is a National Evaluation Report published by the International Code Council Evaluation Services showing testing and installation for all James Hardie products.
Fire Prevention FAQ
