Fire Resistant Coatings and Paint Additives
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Flame spread classes, roofing classes and fire hourly ratings are confusing terms and they sometimes get misused.
Flame spread ratings/classes are based on the ASTM E-84/UL 723 "Test for Surface Burning Characteristics of Building Materials." This test measures the relative rate at which flame spreads over a given surface and the degree of smoke development and toxicity. Class ratings and their associated flame spread ratings are
Class Flame spread
Class "A" or I: 0-25
Class "B" or II: 26-75
Class "C" or III: 76-200
Remember, this rating applies only to a specific single component such as a paint film, wall covering or some other single piece of material.
Hourly ratings are based on ASTM E-119 "Fire Tests of Building Materials."
Hourly Ratings are assigned only to complete assemblies, of structural materials for buildings, including walls, floors, doors, ceilings, roofs, etc.
It's vital to know that the hourly ratings have no reference whatsoever to real-time hours in an actual fire and they are NOT assigned to any one single component of a complete assembly such as a paint coating, wall covering or other single building material. Simply put, there is no such thing as a paint coating, additive or treatment that can be applied to any and all wall or ceiling configurations which will give a 1, 2 or 3 hour rating.
Paint related fire treatment products offer several advantages over untreated wood and other combustible materials, they do not ignite or contribute to the spread of flame and some, Intumescent coatings, will insulate the surface from the heat for a short period of time by swelling up and expanding when exposed to flame, producing a heat resistant charred surface.
Hy-Tech offers these "Solutions"
- Flame Guard Additive: A powder additive for interior latex paint. This fire retardant paint additive can be added to any interior latex paint for a Class "A" or Class "B" fire rating.
- Flame Resist: A clear, non-toxic, liquid fire-retardant treatment for wood, fabric, paper.
- #87 Cable Coating A heavy-bodied, water-based coating which is designed to prevent flame spread along the jacketing of electrical (or other) cables, provide a thermal barrier for protection against heat damage.
- #RVBM Vapor Barrier Mastic is a water-based, fire resistant, flat finish latex, low-VOC, non-toxic, fire-resistant coating primarily for duct work. Class "A".
We Provide the "Solutions"
You Just Need to Apply Them!