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Four Reasons to Consider Metal Roofs

Over the past few years, we have seen a significant increase in the use of metal roofs in the residential sector. In fact, the Metal Roofing Alliance estimates that more than 750,000 U.S. homeowners chose a metal roof to protect their families in 2015. According to their survey, the Metal Roofing Alliance identified eight reasons homeowners are making the switch to metal roofs. Here is a breakdown of the four most popular reasons people are using metal roofs to protect their homes.

1. Metal roofs have longevity.

Depending on the material, metal roofs can last anywhere between 40 and 70 years. That’s a significant increase when compared to the life expectancy of a traditional asphalt roof, which may only last between 12 and 20 years.

2. Metal roofs are durable and offer strong protection. Continue reading

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How Prepainted Metal Can Make Building Interiors Shine

We’ve seen the beauty and innovation prepainted metal has brought to countless exterior applications. But did you know prepainted metal can be an integral part of a number of interior applications? Here are five ways prepainted metals can spice up the interior of any building:

1. Interior Walls

Prepainted interior wall panels are available in a variety of profiles, including ribbed, insulated (foamed), composite and architectural shallow flat styles. These panels are lightweight and can be installed more quickly than traditional walls. They can also take on dramatic shapes with colors or laminates that create striking design elements.

2. Ceilings Continue reading


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Benefits of Using Metal in Construction

For decades, metal roofs have been the preferred choice for architects and designers for their durability, versatility, eco-friendliness and many other factors. As the coated metal industry continues to innovate and inspire, we see an increase in the use of metal in nearly all aspects of construction, not just the roofs. Here are just some of the reasons we are seeing metal used more and more in the construction of today’s most impressive buildings.

Versatility

Coated metal today has the ability to be an endless selection of colors and can emulate a growing number of textures, including asphalt, stone, concrete, barn siding and other materials. There’s been a huge demand in the market for the application of innovative color-shifting coatings, which offer an eye-catching, bilateral color finish. With textured metal products, architects can meet client demands for visual depth and designs that differentiate them in the market and give their buildings a unique look.

Interior Capabilities Continue reading


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Choosing a Resin-Based Coating

When it comes to coatings, the resin, or “binder,” acts as an adhesive that keeps all the elements of a paint formulation together. The resin selected is the backbone of the coating and therefore the primary source for determining the coating’s durability and physical properties. When choosing a resin-based coating, it’s important to know some of their key features.

Fluoropolymer resins are known for non-stick properties and their ability to avoid UV damage. The most well-known best performing resin in this category is Polyvinylidene Fluoride (PVDF). PVDF is at least 70 percent of the binder used in superior performance coatings, while an acrylic resin makes up the other 30 percent. PVDFs are found in coil coatings, where exceptional durability is desired. When compared to other coatings, PVDF resin-based coatings were the only coatings that did not lose their original gloss within 2-5 years.

One of the most common causes of failure for resin-based coatings is the risk of color fading. Continue reading


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Tips for Prepainted Metal Maintenance

For most buildings, the exterior is designed to be its most important eye-catching feature. While we’re wired to be extra mindful of the cleanliness and maintenance of the interior of our homes and offices, we sometimes neglect to remember to give the outside of our buildings the proper care. One of the biggest advantages of prepainted metal is its easy maintenance, but there are a few easy steps to make your metal panels shine bright.

Rinse the surface with water.

This sounds like a no-brainer, but this is one of the easiest ways to clean coated metal panels. Dirt and debris built up over time can affect the quality of the panel’s appearance and potentially reduce the lifetime of the coating. Simply rinsing the surface with a garden hose or pressure spray system will clean most buildups on a coating surface, allowing the panels to look brand new.

Clean with soap or water for difficult areas.

Continue reading


Accelerated Weathering: Part Two

Part One of this blog described some of the difficulties associated with accelerated corrosion testing. The chemistry is complex. There are many microclimates to consider. And the list goes on. There is good news, however. We are not alone. Extensive amounts of research across all coatings areas is done and reported routinely.

french-corrosion-instituteAs a Part Two blog on accelerated corrosion testing, here is a sampling of work done by the French Corrosion Institute, an organization that has done a great deal of work in the past with the European Coil Coating Association. The bullet points following the titles and attributions are my own comments from reading the documents: Continue reading


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Accelerated Weathering: Part One

“Not this topic again,” you might say. By “this,” you probably inferred that you are about to read a few hundred words describing the difficulties of meaningfully correlating accelerated weathering to real-time performance. Rest easy; that old topic is kids’ stuff compared to understanding the meaningfulness of corrosion testing.

The performance of coil coatings over the lifetime of a product is of paramount importance. Of the markets served by prepainted metal, the building products market poses the greatest challenges. During a recent NCCA meeting, there were plenty of conversations about accelerated corrosion testing, and this got me thinking about the similarities—and distinct differences—when comparing accelerated corrosion testing and accelerated weathering. Of course, corrosion is a form of weathering, but the term “weathering” commonly refers to what happens to a product’s appearance properties (chalk, fade, gloss retention) when exposed to sunlight, heat and moisture.  On the other hand, corrosion refers to the degradation of the metal substrate.

Great progress has been made over the last 20 years to understand how to model an accelerated weathering test to better simulate the environment in which a product will be placed. We now have a better understanding of the need to duplicate the solar power distribution, the unrealistic effects of <295 nm UV wavelengths, and, most recently, the importance and necessity of coating moisture imbibition in the physio-chemical degradation of coatings. This level of understanding is mostly absent when it comes to accelerated corrosion testing.

What makes corrosion testing so difficult? Let’s start with the chemistry of corrosion versus accelerated weathering. Don’t worry; I do not intend to get into the chemistry and physics. We’ll leave that to the researchers, but it is important to know that these researchers are always striving to duplicate in an accelerated test cabinet the same chemistry that is taking place in the real world. When done effectively, new products can be introduced with an assurance that they will perform suitably in the field.

As demanding as it is to understand the degradation reactions of an organic coating during typical weathering, understanding corrosion reactions is way more convoluted! Continue reading