Questions You Should Know about fireproof roof materials

06 Aug.,2024

 

Fireproof Your Roof! How to Choose the Right Fire ...

Can You Really Have a Fireproof Roof?

The roof over your head serves many important functions. It&#;s your home or business structure&#;s first line of defense against sun, wind, precipitation, and other natural threats. Your roof also plays a significant role in maintaining the integrity of your building&#;s infrastructure as a whole. And as an added bonus, an aesthetically-pleasing roof serves to offer a nice boost to the value of your curb appeal.

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But is there really such a thing as a fireproof roof? Unfortunately not. Even roofing materials that aren&#;t easily flammable can still melt or warp in the face of a raging fire&#;s extreme heat.

 

Fireproof vs. Fire-Resistant

While a roof that&#;s completely fireproof may not be a realistic possibility, it is possible to have a roof that&#;s reliably fire-resistant. There are several types of fire-resistant roofing materials available which can provide greater fire protection for your home, your property, and your most precious asset &#; the people that your roof covers! Now that we&#;ve established there&#;s really no such thing as a fireproof roof, let&#;s uncover more about what makes for a truly fire-resistant roof.

 

Roof Fire Rating Standards and Basics

When we speak about roof fire-resistance, what we mean is how effective a roofing material is in terms of fire prevention from the outside of the roof structure. Interior fire hazards are another matter altogether, and potentially-combustible materials inside your building are evaluated by a different set of standards. Here&#;s a look at how roof fire ratings work:

1. Class A Roofing

Class A roofs are the most effective against severe fire exposure. They last the longest before igniting, and are really the preferred choice for any home. Some Class A-rated standalone coverings include metal, clay tiles, slate, asphalt glass fiber composition shingles, and concrete tiles.

2. Class B Roofing

Class B roofs are known to be effective in the face of moderate fire exposure. To be rated Class B, the exterior roofing must last at least one hour before igniting. Two common examples of roofing materials which fall under the Class B rating are pressure-treated shakes and shingles.

3. Class C Roofing

Class C roofing is only rated for light fire protection. Roofing with a Class C rating is only required to last 20 minutes before igniting. Class C materials are not recommended for any application where fire-resistance is a potential concern. Some common Class C roofing materials include untreated wood shakes, shingles, plywood, and particleboard.

4. Unrated Roofing

If the roofing material in question is unrated, this means it&#;s not even fire-resistant enough to qualify for a Class C rating. Any unrated roofing material should simply be avoided; it&#;s simply not worth the risk! In fact, most local building codes won&#;t allow for any type of unrated roofing material.

 

A Survey of Some Good, Fire-Resistant Roofing Materials

Thankfully, there are plenty of roof sheathing materials that are known to provide Class A fire protection. Here are just a few of the options available to you:

&#; Slate

Slate is a stone material which combines beauty, durability, and natural fire resistance. Slate is also very slow to weather or break down, and can make for an incredibly long-lasting roof. There are a few drawbacks to slate, though. It&#;s incredibly heavy, it&#;s expensive, and it also requires some specialized knowledge and equipment for effective installation.

&#; Clay Tile

Clay tiles are also produced with natural, non-combustible materials, and clay isn&#;t as heavy as slate. Rounded clay tiles are popular for Spanish-style architecture, as well as for other buildings which carry a Southwestern or mission theme. In order to maintain Class A fire protection however, it&#;s very important that clay tile be installed correctly. Any gaps that remain between the tile and the underlayment can allow fire embers to penetrate.

&#; Concrete Tile

Concrete is another great material to consider if you like the look of tile. Concrete tiles are reliably weather-resistant, they&#;re non-combustible, and they&#;re often more cost-effective to use as compared with other tile materials. In addition, concrete tiles come in a wide range of colors, finishes, and shapes. With concrete, you have more options for customization than you do with slate or clay.

 

&#; Asphalt Shingles

Surprised to see asphalt shingles on the list? While it&#;s true that asphalt is itself a petroleum-based product, that doesn&#;t mean that shingles can&#;t be fire-resistant. Fiberglass-backed asphalt shingles actually provide some good fire protection, especially when combined with fire-resistant underlayment. And of course, many people like the fact that asphalt shingles are some of the least expensive roofing materials available today. A key drawback to shingles is that they require more upkeep, and a shingle roof will have to be replaced long before any sort of tile roof you might choose.

The company is the world’s best fireproof roof materials supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Two More Fire-Resistant Materials That Are Even Better

While there are many good things that can be said about tile and shingles, there are two more available roofing materials that offer even more benefits. Both of these materials provide Class A fire protection, and they also offer great style, great durability, and little need for ongoing maintenance:

1. Metal Roofing

When you get right down to it, there&#;s really a lot to like about metal roofing. Not only will metal not burn, but metal roofing is also lightweight, doesn&#;t corrode, and needs very little maintenance. There&#;s lots more to like, too. Metal roofs have a long lifespan, are very effective at shedding rain and snow, help to dissipate lightning strikes, and can be certified to withstand hurricane-force winds. In addition, metal can be used on roofs of practically any pitch, from very steep to very low slope.

2. Synthetic Roofing

Sturdy synthetics or composition shingles and tiles can be made to mimic the look of wood, asphalt, or natural tile, and they boast some highly reflective properties which can help to reduce your home&#;s cooling costs. For example, DaVinci Cool Roof tiles have earned the ENERGY STAR designation. They&#;re very long-lasting too; in fact, they come with a 50-year warranty. Oh, and one more thing &#; they&#;re also a Class A-rated material for fire protection!

 

Ready to Make Your Roof as Fire-Resistant as Possible? Call the Roofing Pros at Skywalker!

Choosing the right Class A roofing materials is certainly important for the protection of your home and family. But choosing the best materials alone isn&#;t enough, especially if they aren&#;t installed correctly in the first place! If you&#;re looking for the highest-rated, most-trusted local roofing company serving both NC and VA, then look no further than Skywalker Roofing! We install ALL the Class A-rated roofing materials mentioned in this blog, and more!

Skywalker is proud to serve the NC Piedmont Triad, Piedmont Triangle, Lake Norman area, and greater Roanoke & Southwestern VA region. If you&#;ve got either a residential or a commercial roofing need, we can take care of you. But don&#;t just take our word for it &#; check out what hundreds of our satisfied customers have to say about us on Guild Quality, too! Connect with us today at &#; +1 (336) 627-. We&#;d be honored for you to experience the Skywalker difference for yourself!

Fire-Resistant Roofing: Everything You Need to Know

Before Investing in a Fire-Resistant Roofing System

Fire-resistant roofing materials can play a crucial role in preventing fires and limiting their damage, making proper fire testing and certification critical if you want your roof to be safe, protective and long-lasting. When selecting a fire-resistant roofing system, it is usually recommended that the system in question has a UL Class A fire-resistance rating.

Initially, most, if not all roofing manufacturers, produce some systems that do possess this attribute. It is important to note that there are no &#;fire ratings&#; for roofing membranes. All ratings are based upon the entire roofing system from the deck up. This includes the deck, insulation used, membrane and roof incline.

Roofing Process

Generally, the roofing process goes like this: you install the roofing system you feel is the &#;best-fit&#; for your needs, hopefully, based off some critical performance criteria, and then expect it to last intact for at least the duration of the warranty period. Unfortunately, this is not necessarily the case.

Taking a look at Modified Bitumen as an example, it has the tendency to lose some of its fire resistance after being installed for only five years. This is especially prevalent for roofs that experience high foot traffic. As the granules become loose, rain and wind can move them to the drains or low spots on your roofing system, voiding your fire rating as the granules are what prevent the fires. Now, these roofing systems can be recoated and additional granules applied, but is it really cost-effective to recoat for over $1.00/sq. ft. every five to 10 years? Taking the lifetime cost of your roof into account will assist with that part of the decision-making process.

Comparing Roof Fire Resistance

Realistically, all roofing membranes are at least a little susceptible to fire damage regardless of their fire ratings. Long-term fire resistance is more often than not an overlooked performance criteria. Take this video for example. It shows a combustibility test for four different roofing materials: KEE, Modified Bitumen, TPO and EPDM. While roofing systems are evaluated and tested as a unit, this look at materials is a good baseline for selecting the best fire-resistant roofing system for your needs. 

As you can see, all four membranes have a reaction to fire, though they vary greatly. Oftentimes, building owners approach fire resistance with an &#;it won&#;t happen to me&#; mindset that could be detrimental in the event of an accident. Lightning could strike your roof and, if you&#;re using the wrong material, destroy your valuable assets.

As previously mentioned, you can coat most roofing membranes and restore the system to a UL Class A fire rating, but check first because it may void your manufacturer's warranty. Pay particular attention to TPO, Modified Bitumen and EPDM because the MRCA has shown they can lose some or all of their fire-resistant properties over time, unlike PVC and KEE. Ultimately, there is a degree of risk involved with choosing the roofing system that will best protect you and your assets the way you desire. 

What other criteria do you look for when choosing the right roofing system? Tell us about them in the comments!

For more information, please visit Fast Installation Fire Resistance Wall Panel.