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.
3 8 wood siding fire rating.
It is used to meet restrictive fire performance criteria and or to reduce insurance rates.
What constitutes a 1 hour fire rated assembly.
The highest rating possible for fire resistance.
Fiber cement can withstand high heat from fires.
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.
Plywood siding t1 11 plywood white wood siding shake wood siding eastern cedar lumber 3 8 osb 4x9 related products plywood siding panel t1 11 8 in oc nominal.
Exterior fire x treated siding is often accepted as an alternate for non combustible.
Rollex navigator steel siding for example has a class a fire rating.
When they are you get 20 minutes in a wall and 10 minutes with floor and roof joists.
Wall finishes and their ratings.
Exterior fire x treated wood siding combines the economy and natural beauty of wood siding with the insurance and safety advantages of fire resistant siding.
Steel siding not only offers protection against a fire it is also naturally resistant and does not require the use of fire resistant treatments.