Is Vinyl Siding A Fire Hazard

In addition some vinyl siding is allowed to be used on astm e119 fire rated assemblies because it does not contribute to the growth of the fire.

Is vinyl siding a fire hazard.

Vinyl siding is a part of many ul rated e119 assemblies. Insulated vinyl siding limitations will be listed in the code compliance report. Studies are inconclusive as to whether applying vinyl siding to homes causes health problems for residents. The national fire protection association s national electrical code recognizes the strong fire safe characteristics of vinyl through its approved use as a residential wiring insulator.

Chlorine 57 from common salt and ethylene 43 from natural. Chlorine from common salt and ethylene from natural gas. 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. However if your house catches fire the siding will release high levels of lethal chemical vapors.

Ibc table 602 and ibc 705 5 place certain fire resistive ratings on walls depending on the occupancy type and size of building based on astm e119 tests. Fire safety characteristics of vinyl siding. But some homeowners are saying these energy efficient windows are causing a significant fire hazard. As pvc burns the chlorine in the material escapes creating an acid smoke that contains hydrogen chloride.

In addition vinyl siding is allowed. A report published by fire engineering pointed to a national institute of standards and technology nist study by dan madryzkowski which compared the combustibility of three siding materials. Fiber cement can withstand high heat from fires. But the homeowners could not figure out why it was happening until their research turned up some scary video.

As vinyl siding ages it continues to release low levels of the same harmful chemicals that were produced during the manufacturing process. Vinyl also known as pvc or polyvinyl chloride starts with two simple building blocks. This in part explains why most vinyl siding can meet the stringent flame requirements for fire safety required by the international building code which is adopted by every state. Vinyl also known as polyvinyl chloride pvc is created using two simple building blocks.

One homeowner s vinyl siding dimpled then blistered and warped into waves. Aluminum siding t 111 plywood and vinyl siding. The national fire protection association does not cite any exterior wall coverings including vinyl siding brick and stucco as the cause of residential fires.