Galvalume Metal Roof Review

Galvalume Metal Roof Review, A Good Choice?

Galvalume Metal Roof Review, A Good Choice?

Foreword by Ian Thompson, Editor

Today’s video review is an older video from Matt Risinger of Risinger Homes and The Build Show looking at Matt’s top reasons why he feels metal roofs are the superior choice for homes in Central Texas, USA.

Matt discusses the durability, longevity, and energy efficiency of metal roofs, particularly focusing on their ability to withstand harsh weather conditions, including hailstorms. He also delves into the economic benefits of metal roofs, pointing out that although they may initially be more expensive than asphalt shingle or tile roofs in Texas (Not New Zealand), their long-term cost-effectiveness makes them a worthwhile investment for him.

However, while Matt champions metal roofs, it’s important to consider other perspectives. Some homeowners may prefer the visually striking aesthetic of asphalt shingle roofs, like me. Furthermore, from an installation standpoint, metal roofs can present challenges. The size and unwieldiness of metal sheets can make installation difficult, particularly during windy conditions. Drilling through the sheets can also create early rust zones due to drill bit swarf if not cleaned properly, which having firsthand experience myself is a bit of a challenge. And if you install on a hot day be prepared for a very uncomfortable few days or more working on a very hot surface.

Additionally, the noise level in buildings with metal roofs can be considerably higher, especially during rain and hailstorms, unless additional sound insulation is installed. Safety concerns are also a factor, as the sharp edges of metal sheet roofs pose a risk of cuts during installation.

What you choose as a roofing material is entirely up to you, there’s no real bad choice, but as with any material choice there are pros and cons. Also, always factor in the cost of purchase, transport, maintenance and installation when comparing costs with other products.

Over to Matt.

Galvalume Metal Roof Review

Matt’s  number one choice for roofs in Central Texas is metal. In this video he’ll tell you all the reasons why he thinks Metal is a better choice than asphalt shingles or tile. – Matt Risinger

Video Transcript:

Hey, this is Matt Risinger Risinger Holmes. Welcome to my video blog on green building and building science. I’m here on the roof of a house that my company completed about a year ago. We’re back doing an annual inspection. I wanted to extol the virtues of a metal roof for a quick video for you.

This roof is a standing seam metal roof, although it’s not an old-school standing seam. This is what they call a snap lock system. So, this panel right here has a rib that comes over top, and this panel on this side has a clip that’s screwed down on the deck, and this panel snaps over top of it. So, it gives you the look of an old-school seamed standing seam roof, but you don’t have to use the seaming tool. It also makes it a little bit easier to take a panel off if you need to do a repair.

And this one has been sty-rated, I think I’m pronouncing that correctly. It’s got a little bit of a mechanical rib on there, which just helps with the oil canning. As the material heats and cools, it does have some expansive properties, and without that, you can get a little bit of an oil canning effect. But the real reason why I like this roof is for durability, longevity, and energy efficiency.

A roof like this should really be a 75-year roof, maybe even 100 years. We’ll take a hailstorm, no problem. In fact, this one actually had some hail on it earlier this year, and you can’t even tell. It’s absolutely perfect looking. On really bad hailstorms, you might get a few dents that you might be able to see if you’re on the roof. Very rarely will you see them from the street. It’s not like your car hood that just has an airspace down there. Takes some feet.

And of course, you’re looking at it typically from your business. So, a metal roof like this really does well in our Texas hot, humid, very sunny climate. The other big benefit of a roof like this is it’s very reflective. You get a good reflectivity value from this roof. It acts as a good radiant barrier and it helps to keep the house below it cool. Because we’ve got this coral color roof up here.

The other big benefit of a roof like this is when it does need replacing in 75 years or so, it’s 100% recyclable. The roofer will take it off and he actually has every incentive to recycle it because there’s a lot of value to this metal when it gets recycled. And in fact, most of the metal that we’re using for our roofs here in Austin has quite a bit of recycled content to begin with. So, this is probably, I would guess, somewhere around 40 or 50 percent recycled steel content on this roof.

What we’re seeing here is what they call galvalume. It’s a special coating that’s a little better than a typical galvanized roof and it offers a little more protection. You will get a little bit of staining like this if you’ve got some beautiful live oaks above this roof that drop a little bit on this roof. It does stain a little bit over time, but that can be cleaned though if you want to. I think that’s it, though.

So, if you are considering a new roof on your house, it is quite a bit more expensive. You know, most of the time these roofs are more than double the cost or around double the cost of a shingle roof. But if you think about how many times here in Central Texas our roofs get replaced because of hail or other issues, and even just overall longevity, I would think that a roof like this, if you think about it on a longer term, would easily beat an asphalt roof in terms of price on the long haul.

So please, when you’re thinking about replacing a roof, check into the metal options. There’s a lot of good metal options, a lot of good contractors out there for installing them, and it really is a superior product. Thanks for joining me, everybody. Have a good day.

Compound, Vented, Skillion Roof Detail

External Youtube related post: What is Galvalume® Steel and How is it Used for Metal Roofing?

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