Beetlekill Siding Class C Fire Rating

Hourly fire resistance ratings hourly ratings are a function of the assembly being used.

Beetlekill siding class c fire rating.

Class b roofing will last about one hour while class c will only last about 20 minutes. Roofing products with a class a rating will last 2 to 4 hours before igniting. Under such exposures roof coverings of this class are not readily flammable afford a measurable degree of fire protection to the roof deck do not slip from position and pose no flying brand hazard. Class c fire retardant treatment a product that is effective against light fire exposures.

Steel siding not only offers protection against a fire it is also naturally resistant and does not require the use of fire resistant treatments. What is the fire rating. Rollex navigator steel siding for example has a class a fire rating. Building code fire resistance requirements building codes establish fire resistance requirements for roofs based on the type of construction e g concrete steel wood for the building.

The astm d 2898 standard rain test the highest fire classification is class a. Type x fire rated gypsum drywall that is 5 8 inch 15 9mm thick and installed on each side of nominal 2 inch x 4 inch 38x89mm wood studs spaced 16 inch 400mm o c. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. The tests used to determine the fire ratings for roofs also provide fire resistance information.

In this case the class a highest degree of fire resistance b or c rating provides relative information about the ability of the roof covering and assembly to resist the penetration of fire as a result of a standard fire exposure astm e 108. An alternative to vinyl siding fiber cement a mixture of cement sand and wood fibers manages to achieve very high fire resistance without sacrificing convenience and durability many fiber cement products carry a class a fire rating meaning that they can withstand several hours of heat before melting down. Tested roof systems are fire classified class a b or c where the most fire resistant roof assemblies are class a and class c is least resistant. Fire resistance that is the amount of time the product lasts before ignition is also taken into consideration with regard to the fire rating.

Note that a class c roof system is considered fire resistant while a class c or iii building material as above is not. Lp smartside is a class c iii rated product when tested according to astm e84. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes. Type c fire rated drywall sometimes referred to as improved.

Cedur fire retardant cedar shakes. A class a rating means it is going to offer the maximum protection possible. Non classified roof systems have no fire rating. Fiber cement can withstand high heat from fires.

The highest rating possible for fire resistance.