Hardie Board Siding Fire Rating

James hardie offers an array of siding products.

Hardie board siding fire rating.

What constitutes a 1 hour fire rated assembly. 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. Hardie board siding is 90 percent sand and cement which makes it fire resistant. Many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down.

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. 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. Boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board.

It also won t contribute fuel to a fire. 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. Are james hardie products a masonry product. Wood usually feeds the fire while vinyl melts instantly but fiber cement will not ignite when exposed to a direct flame.

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.