Fire Resistant Roof Coating

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.

Fire resistant roof coating.

Sb 432 has been the product of choice for use in elastomeric flame retardant roof coatings for over 25 years. Active coating expands in the presence of heat or flame to form a protecting self extinguishing layer installs up to 130 faster. White seal 100 acrylic elastomeric reflective roof coating with high dirt pick up resistance model rc865 2 view. How fire resistant is your current roof.

Obviously since wildfires and the fire season has become increasingly worse it is important to note the roofing materials that are the lowest rated. Simple one step application. Shingles are categorized into classes that identify their fire resistance. Henry 687 envirowhite 100 acrylic reflective elastomeric roof coating w dirt pickup resistance technology 24 piece model he687072.

Class a roofing materials are the most fire resistant. Rated coating solutions exist for just about any existing roof system recover or coating application and often can achieve. In mechanically attached and self adhered tpo pvc and modified bitumen systems self extinguishing. Once assembled the roof covering will be granted a class a b or c rating by approved testing agencies typically through ul 790 or astm e 108 depending on how effective the roof proves to be in terms of fire resistance.

The fire rating of a roof covering is either class a class b class c or unrated. Manufactured using a highly effective fire retardant and underlaid with a fire resistant barrier this assembly is one of only a few synthetic roofing materials to get ul s class a fire rating. An unrated roof is the most vulnerable the most common example of an unrated roof covering is one made using non fire retardant treated wood shakes or shingles. Manufactures intumescent coatings that are ibc nfpa code compliant for astm e119 fire endurance ratings that require 1 or 2 hour fire protection in accordance with ul 263 astm e119 can ulc s101 and iso 834 standards.

Class c fire resistant roofing material. Have a look at ecostar s recycled rubber majestic slate traditional tiles. Expect to pay between 6 50 and 8 50 per square foot installed. Classes b and c denote progressively less fire resistant qualities.

Fire rating ul 790 class a 24 no rating available 70. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire. Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Special in tumescent additives minimize flame spread in the event of fire provides ul class a performance.