Vinyle Siding Flammability

Vinyl siding is fire resistant harder to ignite and easier to extinguish.

Vinyle siding flammability.

Many homeowners looking for a fire resistant house siding may consider products such as vinyl which are technically non flammable as well. A few weeks ago a friend called me to say he had some pictures i should take a look at. Fiber cement siding won t ignite burn or melt when exposed to either heat or flames. Pvc has one of the lowest flame spread.

In comparison to the durability and heat resistance of alternative siding options vinyl siding is decidedly flammable. One rough rule of thumb. Vinyl siding is more difficult than many other building materials to ignite because it is composed mainly of pvc which is inherently flame retardant due to its chlorine base. These panels can melt or even burn when grills and other outdoor cooking or heating appliances are placed too near them.

Vinyl siding is nearly always less expensive than fiber cement siding. 1201 15th street nw suite 220 washington dc 20005 pvc slows flames from spreading pvc the primary ingredient in vinyl siding doesn t release a lot of energy when it burns and will not readily spread flames on its own 3 vinyl siding also needs unusually high amounts of oxygen to burn. Pvc won t ignite even from another flame until it reaches about 730 f 387 c and won t self ignite until about 850 f 454 c. Posted at 19 30h in exterior home inspection info home safety by mose report.

Facts about vinyl siding according to fire rescue. Although vinyl siding comes in an exciting array of colors even many of the top options. It would seem that vinyl siding would be highly flammable but in fact it s not. Exterior siding vinyl stone siding gray vinyl siding panel vinyl siding georgia pacific backer board 7 inch wood siding related products stone ds 13 13 in.

Fiber cement can withstand high heat from fires. Dry stack stone in flint 25 18 sq. The difference though is how the product holds up to heat. 2017 vinyl siding institute inc.

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. He told me that a relative of his living in vaudreuil west of montreal was hosting a few. Composed mainly of polyvinyl chloride pvc vinyl siding s chlorine base makes it harder to ignite and easier to extinguish.