Is Metal Roof Class A

While the life of a metal roof is much longer investing in a metal roof only makes sense if you plan to stay in your home long enough to enjoy the cost benefits.

Is metal roof class a.

To achieve a class a rating the roof must be effective against severe fire exposure. Examples of a class a roof covering include concrete or clay roof tiles fiberglass asphalt composition shingles and metal roofs. Metal roofs can be noisy especially during a heavy rain or hailstorm. Class a is the highest rating offering the highest resistance to fire and unrated is the worst.

Most if not all metal roofing and wall systems are class a fire rated and noncombustible making it the most resistant to catching on fire. Experience maximum flame spread of 6 feet. Class a roof assemblies include those with coverings of brick masonry or an exposed concrete roof deck. For the convenience of your customers we provide installation guides and metal roofing installation how to videos to support their building projects.

Our metal roof and wall panels qualify for underwriters laboratories ul class a fire rating ul 90 wind uplift rating and class 4 ul impact resistance hail rating. Because metal roof materials are noncombustible they typically have a class a fire rating the most fire resistant rating. Most metal panel manufacturers have tested their roof assemblies and most if not all metal panels and shingles can be used in class a fire rated roof systems. This is proven if it can.

A stone coated steel roof costs about 2 1 2 times as much as a standard asphalt roof. I believe that under the current icc code if you have a steel roof covering it automatically receives class a regardless of the rest of the assembly. An example of an unrated covering is an untreated wood shake roof. They re also simple to install.

Ul 2218 standard for impact resistance of prepared roof covering materials. Just be aware that part of a roof s overall classification depends on materials beneath the surface that could ignite in intense heat too. However if that is not the case then you need to contact the manufacturer of the roofing and see how their product was installed when it passed class a testing. Roofing materials are changing for the better becoming more and more advanced each year.

Astm e108 fire resistance fire rated roof systems ibc metal roof metal roof advantages ul 790. This class for roof will qualify homeowners for a discount with most insurance companies.