Fire Rated Roofing Materials

Class a does not mean grade a roofing systems are rated by realistic fire tests.

Fire rated roofing materials.

Obviously since wildfires and the fire season has become increasingly worse it is important to note the roofing materials that are the lowest rated. This month let s take a closer look at one particular type fire ratings. Designed to handle extreme temperatures these reinforced fire rated cap sheets provide an extra line of defense and protection for building inhabitants. 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.

Roofing systems must meet or exceed building codes and insurance requirements. This fire resistance rating indicates that the rated roofing materials will withstand moderate exposure to fire if the fire source is outside the building. Fire resistance rated construction the use of materials and systems in the design and construction of a building or structure to safeguard against the spread of fie within a building or structure and the spread of fire to or from buildings or structures to the wildland urban interface area. Understanding roof fire ratings class a roofing.

Have a look at ecostar s recycled rubber majestic slate traditional tiles. It doesn t require any special treatment because fire will not affect it. This rating indicates that the roofing materials limited to withstanding only light exposure to fire if the fire source is outside the building. Some roof coverings rely on an underlying material or special installation techniques to improve their fire rating.

Class c fire resistant roofing material. Expect to pay between 6 50 and 8 50 per square foot installed. Prevent fire rated roofing system schools and hospitals can benefit from iko s prevent premium asphalt based roofing systems. How are roofs rated.

However if the structure of the roof is made of wood a slate roof may collapse in the event of a fire because of the heavy weight of. Slate is a natural stone which makes it nearly indestructible. Astm e108 defines fire test methods for roof. In a recent roofing column we focused upon technical information that could be found on roofing material wrappers that could verify compliance with various building codes.

Here are some of the best class a fire rated roofing materials. Fire ratings for roof coverings that require an additional material are typically referred to as a by assembly as opposed to a stand alone fire rating.