Beetlekill Siding Class C Fire Rating

Fire ratings for roofs are classified as either class a class b class c or are unrated if a roof covering cannot meet the requirements for any of these classifications.

Beetlekill siding class c fire rating.

Rollex navigator steel siding for example has a class a fire rating. Class b roofing will last about one hour while class c will only last about 20 minutes. Hourly fire resistance ratings hourly ratings are a function of the assembly being used. 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.

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. 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. Or 3 5 8 inch 610 mm steel studs spaced 24 o c. Fiber cement can withstand high heat from fires.

Cedur fire retardant cedar shakes. Note that a class c roof system is considered fire resistant while a class c or iii building material as above is not. Type c fire rated drywall sometimes referred to as improved. Steel siding not only offers protection against a fire it is also naturally resistant and does not require the use of fire resistant treatments.

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. Class c fire retardant treatment a product that is effective against light fire exposures. Has a minimum fire rating for the assembly of 1 hour which is a typical requirement for many building codes. Class a is the highest rating offering the highest resistance to fire and unrated is the worst.

Non classified roof systems have no fire rating. The highest rating possible for fire resistance. A class a rating means it is going to offer the maximum protection possible. The astm d 2898 standard rain test the highest fire classification is class a.

Lp smartside is a class c iii rated product when tested according to astm e84. 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. Roofing products with a class a rating will last 2 to 4 hours before igniting. Fire resistance that is the amount of time the product lasts before ignition is also taken into consideration with regard to the fire rating.

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.