Fire Resistant Roof Coating

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

Fire resistant roof coating.

A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire. The fire rating of a roof covering is either class a class b class c or unrated. Active coating expands in the presence of heat or flame to form a protecting self extinguishing layer installs up to 130 faster. Class a roofing materials are the most fire resistant.

Fire rating ul 790 class a 24 no rating available 70. Class a is the highest rating offering the highest resistance to fire and unrated is the worst. Simple one step application. In mechanically attached and self adhered tpo pvc and modified bitumen systems self extinguishing.

White seal 100 acrylic elastomeric reflective roof coating with high dirt pick up resistance model rc865 2 view. 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. 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.

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. 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. Have a look at ecostar s recycled rubber majestic slate traditional tiles.

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. Classes b and c denote progressively less fire resistant qualities. Class a is the most fire resistant and should be the. Sb 432 has been the product of choice for use in elastomeric flame retardant roof coatings for over 25 years.

How fire resistant is your current roof. By substituting some or all of the calcium carbonate with ath the flame retardance of the coating is improved to meet astm standards. Shingles are categorized into classes that identify their fire resistance. Wood shake plywood or particle board roof are the most common roofing types listed as class c.