Fire resistance is the ability of a material or an assembly to withstand fire or give protection from itWalls may be required to provide a barrier to the spread of fire or perform structurally when exposed to fire2020 new design acm panel aluminium composite panel 3mm aluminium panels or bothModel codes reference the ability of a material or assembly to maintain its particular fire resistant properties as its

Resistance to incipient spread of fire (RISF) Floor ceiling systems or roof systems with an FRL include the roof lining or flooring as part of the fire barrierCeilings with a Resistance to the Incipient Spread of Fire state the ability of a ceiling to limit the temperature rise in the ceiling cavity [shown below].