One Hour Fire Rated Wood Siding

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.

One hour fire rated wood siding.

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. This assembly is commonly used in 1 hour exterior walls along the property line including single family construction. Have tested a number of wood frame fire rated assem blies. Lp smartside lap and panel siding 2.

Descriptions of successfully tested lumber wall assemblies are provided in. 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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Lp flameblock sheathing can be used in a few different 1 hour fire rated wall assemblies including.

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. Unlike wood siding fiber cement siding doesn t burn even under extreme heat. Explore house siding colors. A nominal one hour wall has been used as one way for a wall having combustible siding to be used in wildfire prone area.

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. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. This assembly allows for 2x4 wall construction and is fire rated for 1 hour from both sides.

House siding ideas gallery. Lantz boggio architects used lp flameblock fire rated osb sheathing as a code compliant component of both 1 hour and 2 hour ul listed fire rated wall assemblies. The secret to fiber cement s durability is also what makes it fire resistant. When properly installed against fire resistant materials plaster siding also known as stucco regularly achieves a one hour fire rating.

Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.