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 also known as polyvinyl chloride pvc is created using two simple building blocks. Studies are inconclusive as to whether applying vinyl siding to homes causes health problems for residents. Siding with safety understanding the fire performance benefits of vinyl siding vinyl siding manufacturers are committed to keeping you safe by offering products with a low fire risk. 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.

Fire safety characteristics of 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. 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. However if your house catches fire the siding will release high levels of lethal chemical vapors.

Chlorine from common salt and ethylene from natural gas. Fiber cement can withstand high heat from fires. Insulated vinyl siding limitations will be listed in the code compliance report. So far the most studied danger of vinyl siding comes when it is burned as in a house fire.

In addition vinyl siding is allowed. Vinyl also known as pvc or polyvinyl chloride starts with two simple building blocks. As pvc burns the chlorine in the material escapes creating an acid smoke that contains hydrogen chloride. 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.

As vinyl siding ages it continues to release low levels of the same harmful chemicals that were produced during the manufacturing process. Aluminum siding t 111 plywood and vinyl siding. But the homeowners could not figure out why it was happening until their research turned up some scary video. But some homeowners are saying these energy efficient windows are causing a significant fire hazard.

One homeowner s vinyl siding dimpled then blistered and warped into waves. Chlorine 57 from common salt and ethylene 43 from natural. Nonetheless the evidence of the danger of vinyl siding and synthetic insulation is compelling.