1 Hour Fire Rated Exterior Siding

The thickness and number of the layers of type x gypsum wallboard are specified for each rating.

1 hour fire rated exterior siding. Thick or 100 2 layers 3 4 in. What constitutes a 1 hour fire rated assembly. It also allows for the use of fiberglass insulation. Lp smartside lap and panel siding 2.

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. When properly installed against fire resistant materials plaster siding also known as stucco regularly achieves a one hour fire rating. 1 2 cedar or redwood. Cedar siding enhances structural integrity durability and when treated by saferwood is proven to be fire resistant.

Saferwood siding has passed astm s e 84 and d2898 and is icc compliant. The ratings are for unsymmetrical walls that require ratings from both sides. 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. In addition fiber cement is beautiful versatile and resistant to things like rot and termites as well so you can extend that peace of mind to other areas of home maintenance as well.

Cedar siding adds distinctive character to any home or structure. Thick 100 ratings applicable to assemblies serving as exterior walls where classified fire resistive gypsum sheathing type wallboard is substituted on the exterior face. Thick 100 2 hours 3 layers 1 2 in. This assembly is fire rated for 1 hour from both sides.

Thick 100 1 hr. For exterior walls that are more than 5 feet from a. 2 layers 5 8 in. Lp smartside is a class c iii rated product when tested according to astm e84.

This assembly is fire rated for 1 hour from the interior side only except when brick is the exterior facing. Vides 1 and 2 hour fire resistance ratings for exteri or walls in metal buildings. Thick 100 1 hour 2 layers 1 2 in. 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.

Fiber cement siding is the only siding on the market to receive a class 1 a rating making it ideal for any property where the threat of fire may be a concern. All lp smartside siding can be used in a 1 hour fire rated assembly when it is installed over 5 8 type x gypsum which is consistent with other siding types such as fiber cement 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 jh fcs 60 05 jh fcs 60 06 jh fcs 60 07 jh fcs 120 01 jh fcs 120 02.