1 Hour Fire Rated Exterior Siding

Cedar siding adds distinctive character to any home or structure.

1 hour fire rated exterior siding. This assembly is fire rated for 1 hour from both sides. Thick 100 2 hours 3 layers 1 2 in. These products have passed the most stringent fire retardant tests mandated by building codes. 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. Cedar siding enhances structural integrity durability and when treated by saferwood is proven to be 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. 1 2 cedar or redwood.

When properly installed against fire resistant materials plaster siding also known as stucco regularly achieves a one hour fire rating. 1 layer 5 8 in. 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. For exterior walls that are more than 5 feet from a.

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. Thick 100 1 hour 2 layers 1 2 in. What constitutes a 1 hour fire rated assembly. This ul listed assembly is commonly used in type v multifamily construction in load bearing exterior walls.

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. Thick 100 1 hr. Thick or 100 2 layers 3 4 in.

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. Lp smartside is a class c iii rated product when tested according to astm e84. Vides 1 and 2 hour fire resistance ratings for exteri or walls in metal buildings. The thickness and number of the layers of type x gypsum wallboard are specified for each rating.

It also allows for the use of fiberglass insulation. This assembly is fire rated for 1 hour from the interior side only except when brick is the exterior facing. 2 layers 5 8 in.