Hardie Board Siding Fire Rating

Many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down.

Hardie board siding fire rating.

Boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board. Wood usually feeds the fire while vinyl melts instantly but fiber cement will not ignite when exposed to a direct flame. Are james hardie products a masonry product. Case in point a st.

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. James hardie siding and fire protection. 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. What constitutes a 1 hour fire rated assembly.

Paul minnesota house fire torched two fire trucks parked 60 feet away but the cement board siding home next door 50 feet away remained unscathed. 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. The period of time a fire resistant building element like jameshardie siding along with other components of the assembly maintains the ability to confine a fire continues to perform a given structural function or both as determined by astm e 119 tests. An alternative to vinyl siding fiber cement a mixture of cement sand and wood fibers manages to achieve very high fire resistance without sacrificing convenience and durability.

Unlike many materials fiber cement siding from james hardie such as hardieplank offers great fire resistance.