One Hour Fire Rated Wood Siding

Descriptions of successfully tested lumber wall assemblies are provided in.

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. 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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has.

This assembly allows for 2x4 wall construction and is fire rated for 1 hour from both sides. 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. The secret to fiber cement s durability is also what makes it fire resistant.

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. Have tested a number of wood frame fire rated assem blies. When properly installed against fire resistant materials plaster siding also known as stucco regularly achieves a one hour fire rating. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.

Explore house siding colors. 1 2 cedar or redwood. 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. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

Lp smartside lap and panel siding 2. Lp flameblock sheathing can be used in a few different 1 hour fire rated wall assemblies including. 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. Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test.

Objectives framing on the legacy village at castle pines began in march 2017 and the project is scheduled for completion in january 2018. 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.