How To Install Metal Roof Panels Over Shingles
So, you want to upgrade your current asphalt roof to a new metallic roof, but you lot're on a tight budget. Later some research or talking to a contractor, you've probably heard the possibility of installing a metal roof over your existing asphalt roof. But is this a skilful idea? Considering we want you lot to accept all the important information about such a large decision, we're going to break it down for you. The team at Bill Ragan Roofing has been providing the residents of Nashville with high-quality asphalt and metal roofs since 1990. We know what it takes to maximize the life of your roof. That's why we offer a lifetime warranty on our workmanship. By the terminate of this commodity, you lot'll learn if information technology's a practiced idea to install a metal roof over an existing asphalt roof and some warnings about doing so. And if you're still on the contend nigh which blazon of roof to choose, we adult a complimentary quiz to assistance you lot even further. Before we go to if yous can install a metallic roof over an asphalt roof, you lot need to know a little about both. There are three types of cobblestone roofs: iii-tab, dimensional, and luxury. While iii-tab used to dominate the market, dimensional shingles are the well-nigh common blazon installed on roofs today. Luxury fashion shingles are just equally heavily marketed equally dimensional but are almost double the price. To learn more virtually the asphalt shingle roofs, read this commodity on the 3 types of cobblestone shingles. There are two types of metal roofs, a continuing seam and a screw-down console. A standing seam metal roof system is a series of panels that are locked together at the seams or seamed mechanically. This allows for panels to expand and contract freely when the metal heats up. A screw-down panel is merely what it's chosen; it's screwed down. The screws are screwed through the console, which leaves no room for expansion and wrinkle. I would non recommend putting a screw-down panel over a heated space such equally your home or role due to its lack of expansion capability. To learn more near the two metal roof systems, read this article on metallic roofs: standing seam vs. screw-downwardly console. And so, can you install a metal roof over your old asphalt roof? The short answer is yes, you're able to roof over your old cobblestone roof with a new metal roof under the correct circumstances. Your current asphalt roof has to exist near the end of its lifespan and still lying down pretty flat (no lifted or croaky shingles, blisters, or bumps). With that in heed, most roofs won't exist expert candidates considering of the clothing and tear they go through during their lifespans. Equally long every bit the new metal roof is properly installed and your local roofing contractor does everything the right way, it can be done without a problem. You'll be able to save upward to 25% in labor costs by not vehement off your old asphalt roof, installing new underlayment, or the fees to dump the old roofing materials. So, yeah, you can install a metal roof over your erstwhile asphalt roof. Withal, I wouldn't recommend it. Considering I don't recommend information technology, you demand to know how the two types of roofs compare to each other on important factors so you tin decide which 1 fits your needs. Why wouldn't a reputable covering contractor recommend installing a metal roof over your old asphalt roof? At that place are a few reasons, below y'all'll larn the three warnings of covering over your old asphalt roof with a metal roof. Decking is the wooden boards that make upward the framing of your roof. These boards are what your roof and other components are installed on. When you get a full roof replacement, your old roof is torn down to its decking. This gives your contractor a chance to audit the decking's integrity to come across if it can handle your new roof. If y'all install a metal roof over your asphalt roof, in that location's no opportunity to inspect your roof'south decking. If your contractor can't test your decking'southward integrity or inspect for rotten boards, it could lead to a plush problem downward the road. I understand anybody is on a upkeep, but if you're investing in a metal roof you lot might every bit well tear-off your old asphalt roof to avoid this trouble. Your leaky asphalt roof is covered upward without taking care of the problem when you put a metallic roof over information technology. In one case water gets under your metal panels, information technology'll run down and across your old asphalt shingle roof. The water volition keep running until information technology gets to problem areas and starts to leak inside your domicile. Because these leaks come from two different parts of two dissimilar roofs, they will be very hard to track and find. With water running beyond and down your shingles, it's almost incommunicable to observe the origin of the leak in your roof. If you desire to install a metal roof over an asphalt roof, inquire your contractor most the condition of your current roof and if a metal roof-over is a skilful option for y'all. When yous get a metallic roof-over, you bypass the tear-off procedure of getting a new roof. This will salve you money, but you lot miss out on replacing crucial materials that are included in a full roof replacement. For example, i of these crucial materials is the underlayment. Information technology'due south your roof organisation's last line of defense for keeping your decking dry. When you roof over your asphalt roof with a metal roof, yous have to rely on the underlayment from your old roof. You also won't get the proper kind of underlayment specifically designed for a metal roof. Covering materials aren't meant to last forever. That's why if you lot're already going to invest in a metal roof, I recommend starting from scratch with clean decking. To acquire more virtually the crucial materials that are replaced when you become a new roof, read this article on the 9 materials included in your roof replacement. Now you know yous can install a metal roof over an asphalt roof. Yous as well learned 3 warnings most getting a metallic roof-over. Call up, while it can exist washed, I wouldn't recommend it. I sympathise everyone has a budget, but if you're investing in a metallic roof, you should tear off your one-time asphalt roof. To become the best quality roof possible, you should always beginning from clean decking and replace all the crucial roofing materials. Subsequently reading this, do you still want to roof over your old cobblestone roof with a metal roof? If you lot don't, are you having problem deciding betwixt upgrading to metal or sticking with asphalt for your replacement? Luckily, nosotros've adult a quiz to assist yous find the right roof for you. The squad at Bill Ragan Covering has been replacing both asphalt and metal roofs in the Nashville expanse since 1990. Our attention to detail and loftier-quality workmanship you get a new roof that lasts for decades. When you piece of work with united states, you'll never have to worry about your roof once again. To assist you notice the right roof for your replacement, take this gratis Which Roof is Right for Y'all Quiz. The common residential roof types: asphalt and metal
Cobblestone roofing
Metal roofing
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Can yous install a metal roof over your existing cobblestone roof?
iii warnings when installing a metal roof over an asphalt roof
1. Your decking is covered up past your old cobblestone roof
2. Hereafter roof leaks volition exist harder to runway
3. You won't get to replace crucial roofing materials
Should you get a metal or cobblestone roof replacement?
Source: https://www.billraganroofing.com/blog/install-metal-roof-over-asphalt-roof
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