Hardie Board Siding Fire Rating

Vertical siding hardietrim boards hardiesoffit pre cut panels artisan by james hardie hardiebacker cement board.

Hardie board siding fire rating. The product also has a 15 year trim and 30 year siding warranty. Many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down. Yes hardiebacker 1 4 cement board is deemed noncombustible when tested to astm e 136 and can be used in conjunction with other noncombustible materials around a fireplace. That said while james hardieplank siding won t allow fire to penetrate your home s interior it does allow heat to transfer.

It is not 1 hour fire rated but it is still classified for use in certain 1 hour fire rated warnock hersey and ul assemblies. Case in point a st. 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. 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.

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. 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. This does not mean that clearances to combustible building materials can be reduced by using hardiebacker 1 4. 1 hour fire walls see pages 4 5 section 4 3.

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 offers an array of siding products. Hardieplank lap siding cemplank lap siding hardieshingle siding artisan lap siding. 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.

In the first round hardie board made its grand entrance by displaying that it is both astm rated for fire protection and non combustible. Esr 2290 noncombustibility see page 1 section 3 1 flame spread and smoke developed see page 1 section 3 1 1 hour fire walls see pages 2 3 section 4 3 design wind loads see pages 4 25 tables 3 13. Boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board.