Is Weight An Issue Installing Metal Roof Over Shingles

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Is weight an issue installing metal roof over shingles.

This is by far the most common way to install a metal roof. The fasteners will likewise be doubled which can compromise roofing integrity. Asphalt shingles can weigh up to four pounds per square foot depending on the brand. One big advantage to metal roofing is that it is light weight which makes it the perfect material to be installed over an existing shingle roof.

The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. Some roofing contractors recommend reroofing with standing seam metal because the total roof weight is but a fraction of a standard asphalt shingle roof which helps preserve the roofing integrity. We re going to answer that question in this blog so keep reading or give our legacy service team a call at 215 798 9790. Yes you can install a metal roof over shingles.

However there are some things that you will want to check out before doing it this way. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Metal roofing weighs less than one pound per square foot. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Things to know about metal over shingle roof problems. If you re considering getting a metal roof you may be wondering if you can install it over shingles. After all you ll be making a significant and long term investment. In some areas building officials only allow a re roof over one layer of shingles.

However before you decide on reroofing with a metal roof you have to keep in mind that there are specific conditions that make reroofing with a metal roof safe. One other consideration that is often overlooked is the weight of the metal roof in addition to the weight of the existing shingles. If there are problems with the existing shingles such as buckling it can cause additional problems if you install the metal roofing directly over them. The answer is yes.

3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. 7 common issues that could affect a metal roof knowing about the problems that could occur on a metal roof system will help prevent issues from the very start resulting in less time and money necessary for repairs. The low weight of metal roofing is one thing that encourages this. Both metal and shingle roofs are great options for your next roofing project.