Fire Rated Roofing Systems

Class a is the highest rating offering the highest resistance to fire and unrated is the worst.

Fire rated roofing systems.

How are roofs rated. Our roof systems are rated by code for external fire resistance under deck exposure and time temperature resistance. Fire ratings may pertain to resistance to fire from above the roof system the familiar class a b or c ratings or fire exposure from the building interior the underside of the roof deck. The prevent line of polyester reinforced or composite fire rated cap sheets provide an extra protective coating and line of defense to iko s premium asphalt based roofing systems.

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. The rating scale is relatively simple and is rated from a to c. These assemblies need to meet fire and smoke safety and environmental sustainability requirements. The highest rating meaning the most fire resistant is classified as class a and is able to withstand severe fire exposure.

To learn more about our roofing systems click on one of the product boxes below. These tests may be conducted at ul inc fm global or any other certified testing laboratory. Class a class b class c or unrated. Reflective or retentive tpo is generally white and highly reflective.

Iko fire rated roofing systems include those designed to handle extreme temperatures and to mitigate fire. One goal of this column will be to increase your understanding of each of these ratings and what the rating does and does not do for your peace of mind. Roofing systems must meet or exceed building codes and insurance requirements. The different roofing materials that are available for installation on your home are all evaluated for their fire resistant capabilities.

Since 1980 firestone roofing systems have been installed on hundreds of thousands of roofs worldwide. External fire exposure class a b or c. Astm e108 defines fire test methods for roof coverings. Your roof can have one of four fire ratings classifications.

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. A class a roof is ideal for fire protection and may be required by your building codes depending on your place of residence. Fire rated wall floor and ceiling assemblies provide the necessary fire and smoke barriers to create compartmentalization during a fire safeguarding against the spread of fire and smoke within a building or to and from a building.