Hardie Plank Siding Fire Rating

Icc es ner 405 fire resistance rated wall assemblies ner report ner 405 click the link above and go to section 3 5 of ner 405.
Hardie plank siding fire rating. Ubc 7 1 94 uniform building code standard. Fiber cement fire resistance does not extend to applied paints or coatings. We are building a garage that is to close to the neighbors driveway less than 1ft. Ul 263 fire tests of building construction and materials.
The panels may be used in fire resistance rated construction as set forth in section 4 3 and may be used on exterior walls of types i ii iii iv and v construction. Read more about fire resistant cladding here. James hardie fiber cement exteriors have been tested by various ias certified laboratories to astm international standards and are classified as listed below. Are your products 1 hour fire rated.
Fire resistance rated construction thermal resistance 2 0 uses the james hardie fiber cement panels described in this report are used as exterior wall coverings. James hardie uses what it calls the hardiezone system. Including marietta ga flagstaff az and orange county ca. While jameshardie products will not ignite when exposed to direct flame or contribute fuel to a fire heat will transfer through them.
Nfpa 251 fire tests of building construction and materials. Here are the main installation considerations with respect to the choice of materials. This means that it is a non combustible cladding and will not ignite when exposed to direct flame or extreme heat nor will it contribute fuel to a fire. Unless otherwise noted fire ratings apply to tests conducted on both sides.
The predominance of wood in the mix makes smartside siding more susceptible to fire though it does have a 1 hour fire rating. No wonder james hardie siding is recognized by fire departments nationwide james hardie siding complies with astm e136 as a noncombustible cladding and is recognized by fire departments across the u s. 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. The siding pros brother let the games begin.
So the building dept says that side of the garage has to be fire rated. Because of this the product itself is not 1 hour fire rated. In the first round hardie board made its grand entrance by displaying that it is both astm rated for fire protection and non combustible. James hardie offers an array of siding products.
Hz5 climate zones 1 5. Boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board. However they do qualify for use in certain 1 hour fire rated warnock hersey and ul assemblies.