One Hour Fire Rated Wood Siding

1 hour fire resistive rated wall assemblies click the link above each design number below represents a james hardie 1 hour fire resistive wall assembly jh fcs 60 01 jh fcs 60 02 jh fcs 60 03 jh fcs 60 04.

One hour fire rated wood siding.

According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins. 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. A nominal one hour wall has been used as one way for a wall having combustible siding to be used in wildfire prone area. Descriptions of successfully tested lumber wall assemblies are provided in.

This assembly is fire rated for 1 hour from both sides. In high risk fire zones in california exterior walls that are not otherwise required to be 1 hour rated must meet requirements for fire resistance lp flameblock sheathing has been evaluated to be used with the following architectural claddings. Lp smartside lap and panel siding 2. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has.

Unlike wood siding fiber cement siding doesn t burn even under extreme heat. What constitutes a 1 hour fire rated assembly. Intertek design lpb wpps 60 01 this intertek listed assembly is commonly used in 1 hour exterior walls along the property line including single family construction. 90 of the planks are made of materials that won t burn giving fiber cement siding a class 1 a fire flame spread rating the highest classification available.

That means homeowners have up to an hour before the material will give into the heat of a fire and begin spreading flames into the interior walls. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. House siding ideas gallery.

Whereas fire resistance information can be used to judge the ability to resist flame penetration into the building it does not necessarily provide information regarding flame spread. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Have tested a number of wood frame fire rated assem blies. 1 2 cedar or redwood.

Explore house siding colors. When properly installed against fire resistant materials plaster siding also known as stucco regularly achieves a one hour fire rating.