By substituting some or all of the calcium carbonate with ath the flame retardance of the coating is improved to meet astm standards.
Fire resistant roof coating.
White seal 100 acrylic elastomeric reflective roof coating with high dirt pick up resistance model rc865 2 view.
Shingles are categorized into classes that identify their fire resistance.
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.
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.
Rated coating solutions exist for just about any existing roof system recover or coating application and often can achieve.
Have a look at ecostar s recycled rubber majestic slate traditional tiles.
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.
In mechanically attached and self adhered tpo pvc and modified bitumen systems self extinguishing.
Class a is the most fire resistant and should be the.
Classes b and c denote progressively less fire resistant qualities.
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.
Active coating expands in the presence of heat or flame to form a protecting self extinguishing layer installs up to 130 faster.
A fire resistant or fireproof roof gives the entire structure a better chance to survive a fire.
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 rating ul 790 class a 24 no rating available 70.
Simple one step application.
Class c fire resistant roofing material.
Sb 432 has been the product of choice for use in elastomeric flame retardant roof coatings for over 25 years.
Class a is the highest rating offering the highest resistance to fire and unrated is the worst.
Expect to pay between 6 50 and 8 50 per square foot installed.
The fire rating of a roof covering is either class a class b class c or unrated.
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.