One Hour Fire Rated Wood Siding

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One hour fire rated wood siding.

Objectives framing on the legacy village at castle pines began in march 2017 and the project is scheduled for completion in january 2018. Lp flameblock sheathing can be used in a few different 1 hour fire rated wall assemblies including. Descriptions of successfully tested lumber wall assemblies are provided in. A nominal one hour wall has been used as one way for a wall having combustible siding to be used in wildfire prone area.

House siding ideas gallery. Lp smartside lap and panel siding 2. The secret to fiber cement s durability is also what makes it fire resistant. 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.

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. This assembly allows for 2x4 wall construction and is fire rated for 1 hour from both sides. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test. 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.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. 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. When properly installed against fire resistant materials plaster siding also known as stucco regularly achieves a one hour fire rating.

This assembly is commonly used in 1 hour exterior walls along the property line including single family construction. Unlike wood siding fiber cement siding doesn t burn even under extreme heat. 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. 1 2 cedar or redwood.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has.