Fire Resistant Roof Coating

Class c fire resistant roofing material.

Fire resistant roof coating.

Classes b and c denote progressively less fire resistant qualities. Fire rating ul 790 class a 24 no rating available 70. Wood shake plywood or particle board roof are the most common roofing types listed as class c. The fire rating of a roof covering is either class a class b class c or unrated.

Rated coating solutions exist for just about any existing roof system recover or coating application and often can achieve. A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire. Shingles are categorized into classes that identify their fire resistance. Class a is the highest rating offering the highest resistance to fire and unrated is the worst.

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. Special in tumescent additives minimize flame spread in the event of fire provides ul class a performance. Expect to pay between 6 50 and 8 50 per square foot installed. How fire resistant is your current roof.

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. In mechanically attached and self adhered tpo pvc and modified bitumen systems self extinguishing. Sb 432 has been the product of choice for use in elastomeric flame retardant roof coatings for over 25 years. White seal 100 acrylic elastomeric reflective roof coating with high dirt pick up resistance model rc865 2 view.

Have a look at ecostar s recycled rubber majestic slate traditional tiles. By substituting some or all of the calcium carbonate with ath the flame retardance of the coating is improved to meet astm standards. Henry 687 envirowhite 100 acrylic reflective elastomeric roof coating w dirt pickup resistance technology 24 piece model he687072. Class a is the most fire resistant and should be the.

Obviously since wildfires and the fire season has become increasingly worse it is important to note the roofing materials that are the lowest rated. 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. 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. Class a roofing materials are the most fire resistant.