Kynar Galvalume (Steel) for metal roofing and gutters: 24 gauge. Aluminum does not have a Class A fire-rating but the system can achieve a Class A rating with the proper underlayment and sheathing. However, aluminum roofing, depending upon the exact product chosen, can run up to 20 percent higher in price compared to steel roofing.Aluminum is extremely resistant to corrosion caused by seawater, while steel is bit more susceptible to seawater damage over time. Siliconized-Polyester offers a quality comparable to Kynar, at a lower price point. Stainless steel: 26 gauge, 24 gauge, 20 gauge, 18 gauge, 16 gauge, 14 gauge, 1/8" and 1/4". Trim, as you know, is a vital part of any Metal Roofing Package; not only does it enhance its appearance, but trim … Zinc is a more “active” metal than iron so it oxidizes first and forms a protective barrier — zinc oxide, before the iron in the steel can become Ferric Oxide (rust). However, especially in simpler profiles, you need fairly heavy gauge aluminum and that will boost its cost. Benefits of Higher Gauges The biggest benefit of having a higher gauge roof is that it is less expensive. How much does it cost to remove catalytic converter? The gauge of a metal roof refers to its thickness, and the higher the gauge, the thinner the metal. If the project is near the ocean and not in hurricane territory, the choice will probably be aluminum. Compared to traditional roofing materials, both offer a much longer lifespan, better environmental sustainability, better strength and a lower long-term cost. Ask your insurance agent. Tap the metal that bests meets your needs. is 26 gauge or 29 gauge metal roofing thickest? Consequently, the warrantees offered on the coil’s coating will be different as well. There are two types of metallic coatings used: galvanized, which uses 100% Zinc in various thicknesses depending upon the product usage, and Galvalume, a mixture of aluminum and zinc. Both materials are very lightweight in comparison to other materials including asphalt shingles. Replacement Estimate. Commercial and residential metal roofing is primarily made of steel or aluminum. A metal roofing system is expected to provide a weather-tight seal against the elements, securing the internal areas of a structure. 2 0. While those who ask this are hoping for a simple answer such as “only purchase 26 gauge,” the answer is never nearly that simple. While this is the standard for numerous stamped steel panels in the market that are created to look like slate or shake, it is not the norm for true standing seam metal roofing material. Problem was that local code requires 26 gauge and since I pulled a permit it had to be inspected. Steel roofing is very lightweight with the heaviest product weighing about 1.5 pounds per square foot when installed. What is thicker: 26-gauge or 29-gauge? Join Yahoo Answers and get 100 points today. Galvanized steel: 24 gauge, 20 gauge, 18 gauge and 16 gauge. Low end agricultural jobs are normally 26 gauge or 29 gauge. Most homes in the area, I'm told, use 29 gauge. Ultimately, the needs of your project are going to dictate which you use. Steel can usually withstand winds of 110-150 mph and the material design of some steel roofs meet Miami-Dade and Florida Building Code requirements for hurricane wind uplift resistance. A common question I receive from homeowners concerns what metal roofing guage they should purchase. Most aluminum and steel roofing material is available with cool roof coatings that meet LEED and Energy Star compliancy. Below I will share my thoughts on what sort of metal thickness (or gauge) is best for residential metal roofing. Aluminum and zinc are also great corrosion-resistant options. Metal roofing costs about three times as much as asphalt shingles, but it lasts from 50 to 70 years, so metal is the less expensive option in the long run.Metal roofing comes in panels, shingles and tiles, and in a variety of durable finishes. Other than that, there are few advantages to going with the 26 gauge. In regards to the overall metal thickness, the higher the gauge number, the thinner the metal is. This is because of the potential for the coating to separate from the metal substrate at the edges, creating rust in environments that are near bodies of salt water. how can i replace my Car engine from gasoline to desiel ? What does a deck lid spoiler, center exhaust, and rear diffuser do to your car? All of them confessed to ordering 26 gauge as either .018 or .0185 min! For example, standard 29-gauge steel roofing made in long panels is about 0.36 millimeters thick, and the 26-gauge version is slightly thicker at 0.48 millimeters. Noise from rain, snow and small hail stones isn’t an issue for aluminum or steel roofing material–no more than it is for a shingle roof. We have both woodgrips and self drilling screws, as well as other matching accessories. Custom colors generally cost more and certain coatings are more durable than others. Lv 5. Go for either a siliconized-polyester, or a Kynar. To give a perspective on steel thickness differences, from 29 gauge to 26 gauge … While 26 gauge and 24 gauge are generally the standard for most commercial and residential installations, some choose to work with 29-gauge because it is more affordable. Standard gauge: 29; Standard paneling: choice of colored PBR or PBU; Optional 26-gauge panels (special quote only) Roof fasteners. Both roof types will probably outlive all of us. 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