(Thats easily 2-3 times the life expectancy of a shingle roof!) Roof Replacement | Generally, they will check to ensure that the plywood of the existing shingle roof is in good shape and does not contain any soft spots. This system avoids the cost and labor required by the furring strip approach mentioned earlier. One option is to leave the asphalt shingles alone. Talk with your contractor if you are concerned about their methods. Metal roofs today come in a wide array of colors and finishes. In contrast, repair or replacement is effortless with symmetrical systems since contractors can simply start the repair or replacement at the specific point of concern. While metal roofing is not suited for many homes since it is renowned for being loud during rainy seasons, it does have various advantages over ordinary asphalt shingles. Part of the high cost of metal roofs stems from installation best practices. Is it Possible to Install Metal Roofing Over a Shingle Roof? Now you know you can install a metal roof over an asphalt roof. This framing system can be installed directly over existing shingles or applied over existing decking or underlayment. Roof Installation | Wind resistance: 80 mph I would highly recommend them!!!". The family-owned components manufacturer is headquartered in Bossier City, La., and has 13 manufacturing facilities across the United States. This can make correctly installing a metal roof on top of it problematic. Before starting with a metal roof installation over existing asphalt shingles, it is essential to evaluate the upsides and downsides of this job. Covering your existing asphalt shingles with metal roofing might be worth the expense. While this condition is purely aesthetic and doesnt affect panel performance, homeowners with a high emphasis on aesthetics may be better suited with a remove and replace approach or a system like our 138T, which we will address a bit later. I would highly recommend Affordable Roofing Systems. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it? I had 3 prices and Affordable beat the others and Richard came out and explained the whole process and we selected great quality shingles. Cool outside air travels under the shingles to the vented ridge, pulling out moisture and heat. The second benefit is that it acts as a buffer between the metal roof and the shingle roof. But perhaps most importantly, it provides ASV or an Above Sheathing Ventilation airspace, which helps owners maximize energy savings. Were here with your answer! A steel roof is expensive, but if it lasts the life of your home, it might be worth it. Topics: Labor cost per 100 sq. A new metal roof installed correctly over an existing shingle roof can provide many benefits. ft.: 140 to 160 lbs. Installing metal roofing over existing shingles is an excellent way for contractors to help building owners maximize the longevity of their new roof while saving them money (not to mention the headaches!) A screw-down panel is just what it's called; it's screwed down. Be sure you understand how this type of installation affects the warranty on your new metal roof, as some manufacturers may limit or void warranty coverage in these situations. One of the most cost-effective installation methods involves attaching metal panels directly through the shingles and into the wood deck below. This durability will also protect your home as an added layer in addition to your shingles. Innovations in metal roofing technology have significantly enhanced the performance of metal roofs. When installing a metal roof over shingles there is little chance to do any direct evaluation. Yes, you can install a metal roof over existing asphalt shingles. It is always best to put down an underlayment and a slip sheet before installing metal roofing on plywood. Better steel shingle systems, like the one shown, install over a framework of 2x2s. On time, efficient and quality workmanship. Metal roofing can be installed over asphalt shingles if the local building code allows it and there is just a single layer of asphalt shingles on the roof. This could not have gone more smoothly. This makes it a perfect material to be installed right on top of an existing shingle roof. By the DIY experts of The Family Handyman Magazine. They finished on time and I am very satisfied. For most Americans, the attic is nothing more than an extra storage space for old, The gutter system is designed to direct rainwater through the downspout to a destination away, What are Gable Roofs? 3500 Beachwood Court, Suite 207, Jacksonville, FL 32224
No Yes document.getElementById( "ak_js" ).setAttribute( "value", ( new Date() ).getTime() ); RPS Metal Roofing & Siding, Inc is a manufacturer and distributor of metal roofs. Now that the general questions have been covered lets go over the more specific ones that people frequently ask. Metal roofing can be installed over top of shingles. Since 1963, McElroy Metal has served the construction industry with quality products and excellent customer service. While 3-tab used to dominate the market, dimensional shingles are the most common type installed on roofs today. With water running across and down your shingles, its nearly impossible to find the origin of the leak in your roof. Laying metal roofing over existing shingles may save you money on roof replacement, and save you the effort of dismantling the roof, and cut the time it takes to build a new roof in half. Consequently, they dont have the same ventilation advantages. Consequently, while this approach often represents the most economical installation, it also offers reduced energy savings. This can take the form of new underlayment in many cases. Our attention to detail and high-quality workmanship you get a new roof that lasts for decades. Certain building codes will only allow you to install metal roofing over one layer of shingles. This gives your contractor a chance to inspect the deckings integrity to see if it can handle your new roof. Skillful roofing contractors are more practiced at evaluating your Tampa roof no matter the condition. Because of their smooth vs rough surface, metal roofs are less likely to catch debris such as leaves and branches. Received 4 different quotes and they were comparable to competitors. It eliminates the need for ripping off existing shingles. Be sure that your contractor carefully inspects and addresses any existing damage to your roof or shingles before adding a new metal roof. I could not be happier. Your current asphalt roof has to be near the end of its lifespan and still lying down pretty flat (no lifted or cracked shingles, blisters, or bumps). Asphalt roofs typically last 20 to 30 years, depending on the installation and shingle quality. Metal roofing will last upwards of 50 years if properly maintained. ft.: $200 to $350 In fact, it's not uncommon to be forced to remove perfectly good panels to access those that need to be repaired or replaced when working with asymmetrical style roof panels. Thats why we offer a lifetime warranty on our workmanship. Only in this way can the building department ensure that the plywood is in good condition and capable of holding another roof. Lets say you already have a shingle roof, but you desire a new metal roof for the many benefits they can offer. Consequently, if using pressure-treated lumber for furring applications, a barrier of #30 felt or synthetic underlayment should be used between the wood framing and metal panels. There are a few reasons, below youll learn the 3 warnings of roofing over your old asphalt roof with a metal roof. While this method saves the cost and labor of furring strips, its important to remember that steel often acts as a mirror and can telegraph deck and shingle inconsistencies through the metal panels. For this type of installation, a new underlayment will sometimes be installed before working on the metal roof. Installing metal over shingle roofing will not only provide that longer life span, but also improve the lifespan of the shingles, which will be shielded from the elements. Inconsistencies in old asphalt shingles might cause the roof to be uneven. They include: Putting aside the costs, one of the benefits of removing the old roof is that it allows contractors to evaluate the condition of the roof framework. Metal Roofing, Each roofing contractor will have their own way of doing things. Asphalt shingles, on the other hand, are usually disposed of in a dump. Roofing materials arent meant to last forever. To vent the roof, holes are cut in the old roof (Detail 1) above the soffit, which pulls air through the soffit vents underneath. In most cases code does not allow more than one layer. Metal roofs can be extremely durable and will not break like asphalt shingles, depending on the type. Our experienced roofers will answer all your questions and ensure your roof is done right to prevent or mitigate the issues mentioned above. Consequently, many owners simply tire of the constant expense, mess, and disruption to their business operations. Remember, while it can be done, I wouldnt recommend it. Since 29 gauge is on the thinner end of metal roofing you can expect it to wear out sooner than 24 or 26 gauge. You also learned 3 warnings about getting a metal roof-over. One of the major advantages of metal roofing is that it is very lightweight. However, that changes as you consider longer periods of time. 904-530-1446, 3500 Beachwood Court, Suite 207, Jacksonville, FL 32224. Almost every building department will comply with this installation process but may have a few caveats in terms of safety. Resistance to hail damage: Very good This leads many to ask whether or not a metal roof can simply be installed over top of a shingle roof. Weight per 100 sq. When you work with us, youll never have to worry about your roof again. So, if your roof has two layers, it may require a complete tear-off, even though steel is lighter than asphalt. Yes. Will you have to tear off your shingle roof first? Although, it is undoubtedly more environmentally friendly since the shingles remain in place. After all, tearing off a shingle roof to install a metal roof can incur double the costs. Check out case studies on some of our recent recover projects: Whether youre a contractor already working with our team at McElroy Metal or are interested in using our products for your next project. Metal roofs will last much longer than shingles. If youre interested in learning more about replacing your shingle roof with metal roof panels, were here to help. The new metal roof panels are then attached to the framing system. of roof tear-off. And, because they are all made of metal, they are completely recyclable at the end of their lifespan. Common barrier products include #30 felt, synthetic underlayment, or even thin foil-faced insulation. Choosing between roof types is a tedious task for many homeowners., Prime Roofing
Of course, this isnt par the course for most counties and many will allow you to apply a metal roof over the top of a shingle roof. Yes Helpful information for contractors, distributors, architects, and building professionals using metal products. ft.: 240 to 300 lbs. This will save you money, but you miss out on replacing crucial materials that are included in a full roof replacement. Soft or unreliable plywood wont be able to hold the screws and thus your roof could come off during one of Northern Floridas famous afternoon thunderstorms. Metal roofing typically requires a more significant up-front cost than new shingles, but metal roofing can last 50+ years with minimal maintenance. If you arent planning on living in your house very long, then go with shingles. A third recover approach involves using our patented 138T Shingle Recover System. They did an awesome job with my new roof. metal roofs: standing seam vs. screw-down panel, the 9 materials included in your roof replacement. ft.: $300 to $550 They were very professional; they cleaned up after themselves. If you want to install steel over asphalt, your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common (and more expensive) standing seam steel. Before you have a quality roofing company install a metal roof over your shingle roof check with your local building department to ensure it is one of their approved installation methods. We recommend our users to update the browser. So, the investment might be worth it, but the range of choices makes shopping for a steel roofing system more complicated than you might think. While installing a metal roof is a project that many people can do, removing the old asphalt shingles is a big endeavor that many people avoid. Copyright 2021 Affordable Roofing Systems. But is this a good idea? 2022 Bill Ragan Roofing CompanyAll Rights Reserved. The crew worked hard and cleaned the place after installation. Also the thinner the metal the more likely will buckle with temperature changes. With that in mind, most roofs wont be good candidates because of the wear and tear they go through during their lifespans. In contrast, installing a metal roof over existing shingles means that any shingle tear-off expenses, including disposal fees, are avoided entirely. Do it yourself? Weight per 100 sq. Anything that prevents condensation from collecting on the metal roof. This is highly dependent on your area. What Type of Paint Should I Use for Metal Siding? Maybe. However, even if it happens to leak, you will still have the shingles as well. The roof looks great. In a standing seam roof, long, single panels run vertically all the way from the eave to the ridge. Mark Young, a veteran in the industry, founded Prime Roofing to help homeowners get their roof replaced in a simple, organized, and stress-free manner. To learn more about the two metal roof systems, read this article on metal roofs: standing seam vs. screw-down panel. Labor cost per 100 sq. Luckily, weve developed a quiz to help you find the right roof for you. Shingles might be an inexpensive roofing material, but they require maintenance and frequent replacement. Tile roofs offer unparalleled value when cost per year of use is factored in. Quality, service and performance have been the cornerstone of McElroy Metals business philosophy and have contributed to the success of the company through the years. However, with the added cost of the furring material and installation, the final price can be similar to tear-off. They were very professional; they cleaned up after themselves Quality of materials, workmanship, and price are great. The first being: local building codes. Click here for an animation highlighting the components of the Shingle Recover System. When this occurs, repair costs and scrap generated can both be significantly higher than what would be anticipated with symmetrical panel systems. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. Asphalt shingle disposal necessitates the pricey expenditures of a dumpster rental and disposal costs. Affordable Roofing is your local Tampa roofing expert. Enter your search below and hit enter or click the search icon. The image above illustrates a general furring strip approach, although, as you might guess, there are numerous variations to this method. For more on this technique, check out this white paper by the Metal Construction Association. https://www.google.com/maps/contrib/104246591440492584715/reviews/, https://www.google.com/maps/contrib/108932387044527253496/reviews/, https://www.google.com/maps/contrib/107516232171389379365/reviews/, https://www.google.com/maps/contrib/114418570456604030585/reviews/, https://www.google.com/maps/contrib/117824026950489706758/reviews/, https://www.google.com/maps/contrib/112523824823923685076/reviews/, https://www.google.com/maps/contrib/114026346480947888233/reviews/, https://www.google.com/maps/contrib/118270330159577850612/reviews/, https://www.google.com/maps/contrib/102240220180427737546/reviews/, https://www.google.com/maps/contrib/114230531547781528312/reviews/. A metal roof also adds curb appeal to a building because they come in a vast variety of styles and colors. ft.: $150 to $650 ft.: $125 to $250 So for building owners looking to be environmentally friendly, its tough to find a more eco-friendly roofing option than metal panels. Maintaining the asphalt shingle layer makes the roof more insulated, lowering energy expenses. The gaps introduced by furring strips also allow air venting which can reduce moisture. Three layers of roofing are just too heavy for the roof to support. What Is the Optimal Temperature for a Greenhouse? To get the best quality roof possible, you should always start from clean decking and replace all the crucial roofing materials. To help you find the right roof for your replacement, take this free Which Roof is Right for You Quiz. Be sure to check your local building codes to find out, or work with a reputable roofing pro. This will have the process done quickly, so your house doesnt look like a construction zone for as long. Whereas an asphalt roof has a maximum lifespan of 20 years, a metal roof can last 40 to 70 years, depending on the material. This is why some counties will require you to remove any existing roofing materials regardless of whether or not it is the only layer of roofing on your home. Because we want you to have all the important information about such a big decision, we're going to break it down for you. There are billions of square feet of commercial and industrial roofing applications in the United States, and much of it requires repair. ASV is critical to reducing energy consumption. 8 Things to Consider When Selecting the Gauge for Metal Roof and Wall Panels, Pros and Cons of Metal Roof Insulation Options, Metal Roofing: Dead Valley Projects and Warranties, Join our blog subscribers and get the latest news, How to Install Metal Roofing Over Shingles, Specialty Panels - Shingles/Tiles/Stone Coated, Standing Seam - Insulated Metal Roof Panel, check out this white paper by the Metal Construction Association, Tired of Replacing Your Shingle Roof? When you get a metal roof-over, you bypass the tear-off process of getting a new roof. Thats a lot of effort. The second method involves installing a metal roof over a shingle roof with purlins or battens. When using this approach, its important to remember that the copper elements in pressure-treated wood may aggressively attack metal panels. Furthermore, whereas asphalt tends to reflect the suns rays and heat up, metal roofs will deflect the suns UV rays, which can result in up to a 25% decrease in cooling expenses. Most of the time, you can; but, there are certain exceptions. Please contact us. Read about the benefits and drawbacks of installing a metal roof over shingles. It may not be much per year, but these things add up over time. Additionally, you gain all the benefits of a metal roof. To learn more about our installation process for metal roofing, Tampa residents can contact Affordable Roofing Systems at (813) 542 8462. Your workers have left me with really considerable knowledge of our new smoke alarm system and appliance. ft.: $400 to $1,200 The first is running new underlayment over an existing shingle roof, thus covering the old roof. Here is an actual metal roofing installation projectby Prime Roofing. Symmetrical systems (like our 138T) can be installed and replaced in any order. ft.: $75 to $250 The short answer is yes, youre able to roof over your old asphalt roof with a new metal roof under the right circumstances. We used Affordable Roofing to replace an old roof and from beginning to finish we were completely satisfied. In this method, the purlins are screwed down to the roof deck, depending on how the metal roofing manufacturer has designed the panels. Most often, furring strips will be used to secure the new roofing to the shingles. As long as you meet all the requirements of your local building department, the shingles do not necessarily have to be removed before installing metal roofing. These systems arent attached to a frame, but instead install directly on the old roof. There are several benefits to installing a metal roof over shingles. This isnt just to make your life harder. Lets explore the most common. Subscribe to our blog to get tips and ideas for commercial roofers and building professionals. Received 4 different quotes and they were comparable to competitors. That alone improves the value of the metal roof. Labor cost per 100 sq. There are two primary methods implemented when installing metal roofing over shingles. First, check your local building rules to see if putting a metal roof over shingles is legal. This method typically involves less mess than a complete tear-off. Longevity and aesthetics aside, metal roofing is made from recycled material and is 100% recyclable at the end of its lifespan. Can You Put Metal Roofing Over Asphalt Shingles. Scroll down to the bottom to submit a comment and join the conversation. Best of all, this roof will reflect heat instead of absorbing it. The screws are screwed through the panel, which leaves no room for expansion and contraction. Home House & Components Parts of House Roof. Do it yourself? If one puts too many layers of roofing materials on a home there is a good possibility that the trusses could fall. Save my name, email, and website in this browser for the next time I comment. Should repair or replacement become necessary during the roofs life on an asymmetrical system, the same arduous left to right process is required. I would highly recommend Affordable Roofing Systems. This method gives the installer a nice flat surface to install the metal roofing panels down to without the many grooves and irregularities of the shingles. Material cost per 100 sq. While contractors only go as fast as is safe, they can save a lot of time by not removing the old roof. Wind resistance: 120 mph When you get a full roof replacement, your old roof is torn down to its decking. Metal Roof. They performed the most comprehensive inspection and the handyman was the most knowledgeable worker I have ever met. They made a great job, we are 100% satisfied. There are two types of metal roofs, a standing seam and a screw-down panel. While metal roofing is not suited for many homes since it is renowned for being loud during rainy seasons, it does have various advantages over ordinary asphalt shingles. Want to learn more about the differences between metal roofing and shingles? The type we show here costs about twice as much to have installed as a new asphalt roof. After reading this, do you still want to roof over your old asphalt roof with a metal roof? Quality of materials, workmanship, and price are great. Here are some pros and cons. In this post, well look at the ins and outs of putting metal roofing over shingles, as well as the advantages of this form of roof installation and the dangers to avoid. This allows the new underlayment to act as a line of defense in the event that water somehow gets under the metal roof. It should still be dealt with since it can reduce the life span of your metal roof. However, if the steel roof is installed over an existing asphalt roof, noise shouldnt be a problem. Weight per 100 sq. Whereas an asphalt roof has a maximum lifespan of 20 years, a, Installing Metal Roof Over Shingles Pros and Cons. All Rights Reserved. Before deciding to go this route, there are several important factors to consider. You probably have questions about the installation process, as well as the pros and cons of not removing your existing shingle roof. I had a leak in my roof due to a branch that fell and did some damage. There are ways to check without removing the roof, but they are not always as reliable as looking at it directly. Of course, there are some considerations to keep in mind. Codes vary, so call your local building department to know how to install metal roofing over shingles properly, code-wise. This really depends on how long term youre thinking. How Many Sheets of Metal Roofing do You Need? This layer of protection is critical to prevent the shingles from wearing through the metal panels as they expand and contract over the roofs life. Some advantages include: With proper care, metal roofs will last much longer than shingle roofs. Its your roof systems last line of defense for keeping your decking dry. Metal roofing provides exceptional durability and endurance that asphalt shingles just cannot match, yet re roofing a home with old asphalt shingles can be intimidating. And if you're still on the fence about which type of roof to choose, we developed a free quiz to help you even further. Because these leaks come from two different parts of two different roofs, they will be very hard to track and find. From Ray the sales person to the people in the office, the response and curtesy of all of the employees at Affordable was outstanding. Not only because now we have a On time, efficient and quality workmanship. Over an asphalt roof? The thermal expansion and contraction of the metal will rub against the shingle granules and the metal will corrode from the underside. Need to speak to an expert? Such problems include: Once these issues have been resolved, installation can begin. Why Install Metal Roofing Over Existing Shingles? Yes, Material cost per 100 sq. This framework has three big advantages. Your leaky asphalt roof is covered up without taking care of the problem when you put a metal roof over it. Second, the frame creates a flat and straight surface even when the shingles are badly curled or the roof ridge is bowed. We know what it takes to maximize the life of your roof. In the short term, shingle roofs are cheaper than metal. Once the roofing is on, edging will be installed to bring it all together. Additionally, the panels in this system are symmetrical. We used Affordable Roofing to replace an old roof and from beginning to finish we were completely satisfied. Our quote was evaluated, completed and sent to us very quickly. Your shingle roof does not reflect as much heat as metal will. I would recommend this company if you need a new roof. What is the Best Underlayment for a Metal Roof? First and foremost, it removes the need to pull off the old roof, which is more difficult than just installing the new roof. Over an asphalt roof? Required fields are marked *. Removing old shingles necessitates the removal of hundreds, if not thousands, of pounds of old material. That's the short answer to the question: can you install metal roofing over a shingle roof? The biggest bonus comes from not removing the current roof. Resistance to hail damage: Good Conversely, many other types of standing seam panels are asymmetrical. To learn more about the asphalt shingle roofs, read this article on the 3 types of asphalt shingles. No, you do not have to tear off your shingle roof. If you want to install a metal roof over an asphalt roof, ask your contractor about the condition of your current roof and if a metal roof-over is a good option for you. Can You Install a Metal Roof Over an Asphalt Roof? However, just because you can doesn't mean that you should. Recover and Retrofit, Without removing the asphalt shingles, you wont be able to notice any rotting or damaged areas. Ask how their installation will address and prevent issues with condensation. hbspt.cta._relativeUrls=true;hbspt.cta.load(3406853, 'e54bfda3-5bea-47e4-bcff-a2554af25f22', {"useNewLoader":"true","region":"na1"}); 2969 Armory Dr., Suite 300Nashville TN 37204. 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