by United Roofing MN | Oct 27, 2011
Metal Roofing MN The residential metal roofing market represents the fastest growing segment of metal roofing. Residential homeowners are increasingly recognizing metal roofing’s advantages in durability, energy efficiency, and sustainability (green product). Cool Metal Roofing – The Energy Efficient Choice Additionally, recent advances in residential metal roof paint technology provide residential homeowners with a wide array of vibrant and long-lasting metal roofing colors to complement almost any roofing design of a residential home. And, by choosing a metal roof, you’ll save money and do your part for the environment. Conventional roofing products, including asphalt shingles, contribute an estimated 20 billion pounds of waste to U.S. landfills annually, whereas metal roofs can often be installed over an existing roof, eliminating the cost and eco-impact of tear-off and disposal. A Metal Roof Will Be The LAST ROOF You Will Ever Need! Many residential metal roofs now utilize reflective pigment technology, which results in overall home energy efficiency, and lower utility bills. In addition, all metal roofs are made from 30-60% recycled material. While your neighbors may re-roof their home many times, a high-quality metal roof will likely be the last roof you’ll ever need. Resistant to cracking, shrinking and eroding, metal roofing systems can also withstand extreme weather conditions including heavy snow loads, hail storms and wildfires. If you’re considering installing a metal roof in a new construction or retrofitting an existing building with a metal roof, understanding the fire ratings can help you make an informed decision about the roof. With all these benefits, why would you choose any other type of...
by United Roofing MN | Oct 25, 2011
Metal Roofing MN Is An Energy Efficient Option On a building or on a home, the roof has a major impact with the absorption of heat from sunlight (Solar Radiation). The heat is either reflected into the atmosphere or absorbed through conduction into the building. Any solar radiation that is absorbed will heat the roof’s surface. The more the solar radiation is absorbed, the greater the need to find alternative means to dissipate the heat. That’s where emittance comes into play. Emissivity is measures of the roof’s ability to shed absorbed heat. Reflective Pigment Technology The roof’s design (type, color, elevation) will determine how the heat is reflected and absorbed heat is emitted. “Cool” coating technology focuses on reflecting solar radiation (Solar Reflectivity), and shedding what heat is absorbed away from the surface (Thermal Emittance). Conduction – The passing of heat through a roof material into the layer in contact directly beneath the surface. Convection – The heating of the air that passes over a hot surface. Heat Flux – The amount of energy flowing through any surface Cool Coatings Coatings colored with conventional pigments tend to absorb infrared radiation. Replacing conventional pigments with “cool” pigments (absorb less infrared radiation) can yield similarly colored coatings with higher solar reflectance. Mainly, cool coatings lower roof surface temperatures, reducing the need for cooling energy in conditioned buildings and making unconditioned buildings more comfortable. How do the “cool” pigments work Source: Lawrence Berkley National Laboratory Pigments provide color by absorbing and reflecting different parts of the sun’s wavelength spectrum based on their chemistry. Color pigments selectively absorb visible light, and what light...
by United Roofing MN | Oct 20, 2011
Metal Roofing MN Metal roofing has truly come full circle during the past century. It is emerging as an outstanding roofing system for commercial buildings and homes alike. The future looks bright for metal roofing, and there are several trends that are fueling the growth. Firstly, recent innovations in metal roofing paint systems and coating technology have significantly enhanced performance. The vast majority of today’s metal roofs use a Galvalume coated steel substrate which virtually eliminates worries about rust and corrosion. And just as important, paint systems now have outstanding resistance to fading, chalking, and cracking under the most stringent conditions. These paint systems use cutting edge technology and inorganic pigments to provide the maximum protection against harmful UV rays. Secondly, metal roofing is tough. When it comes to wind and weather resistance, metal roofing stands alone. Metal roofing meets the toughest wind, fire, and impact codes in the country. It is lightweight and installation is quick and simple. Choose from a variety of colors for aluminum or 24 gauge Kynar painted steel finishes all of which add beauty and value to your property. It has also been demonstrated that the home’s value increases with metal roofing. In some states, a metal roof can even lower your homeowner’s insurance premiums. Most metal roofs last 3 to 4 times longer than an asphalt shingle roof. Your metal roof will probably outlast you. Thirdly, there is a genuine concern in helping to maintain and improve the environment for future generations. In this regard, metal roofing meets the criteria of recycled content, recyclability, and energy efficiency. Metal roofing is one of the...
by United Roofing MN | Oct 18, 2011
MN Residential Metal Roofing Metal roofs have long been popular for their aesthetics and long-term performance characteristics, particularly their strength, durability and low maintenance costs. Now with the concept of sustainability so important to the building community, metal roofs are being seen in a new light. Their high recycled content, total recyclability and energy efficiency allow “cool metal roofs” to play a pivotal role in meeting Energy Star and LEED requirements. Metal Roof Benefits Here is a list of some of these fantastic benefits: Metal roofs are lightweight–less than 1/3 the weight of asphalt and one twentieth the weight of concrete. A metal roof won’t rot, crack, crumble, split, break or burn. Metal roofs are made from recycled steel and aluminum material and are 100 % recyclable. Metal roofs have coatings that prevent 75 to 80 percent of the sun’s energy from being absorbed into the roof. A metal roof can reduce roof surface temperatures by 60 to 70 degrees. Metal roofs are available in a wide variety of styles and custom colors. Metal Roofing is durable and maintenance free. A Metal Roof increases a building’s value. Metal Roofing is an ideal platform for integrating solar electric and solar thermal renewable energy solutions. A Metal Roof can earn up to 25 U.S. Green Building Council LEED credits Metal roofs are synonymous with strength and durability and are known to have a service life of 50 years and more. Consequently, the life cycle costs are substantially lower than conventional roofing materials, making a metal roof an extremely cost effective roofing solution. It will not let you down and can be...
by United Roofing MN | Oct 13, 2011
Metal Roofing Although the popularity of metal roofing has greatly increased in recent years, most people are not very familiar with this type of roofing material so there are many misconceptions. One common misconception is that a metal roof will be noisier than other types of roofing. One common question asked about metal roofing is “Will my roof make a lot of noise during a rain storm?” To answer this question it is helpful to consider noise in terms of its unit of measurement: decibels. Decibels range from zero, which is the softest sound that can be detected by the human ear, to the loudest sound, registered which exceeds 175 decibels. Examples of Sounds and Decibels How much noise your metal roof will make when rain hits it depends on various elements of the construction. If the metal roof is installed over open framing it will be louder than if it is installed over a solid roof deck. The underlayment that is installed under the metal roofing will further muffle the sound through absorption. The sound will be absorbed even more if the metal roof is installed over a layer or more of asphalt shingles. Attic air space and any insulation will also work to minimize the sound. It is very common for people with metal roofs to say that they can hear the rain hitting their skylights but not their roof….in fact the difference in the sound level of a metal roof versus asphalt shingles is small enough as to not be considered significant. Noise Decibels Soft Whisper 30 Rain Hitting and Asphalt Shingle 46 Rain Hitting a...
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