Overlaying Asphalt Shingles With A Metal Roof

Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

Overlaying asphalt shingles with a metal roof.

The bottom line is your roof is arguably the most important component. Installing metal roofing over shingles is the best solution. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it.

If you are installing a metal roof over the existing asphalt roof then aluminum shingles would be a preferred choice because with standing seam there is a chance that old shingles might telegraph underneath the standing seam panels following the installation. Metal roofs are more durable compared to asphalt shingle roofs. It is the best option. Is it difficult to replace asphalt with metal.

That said overlaying asphalt shingles with a metal roof could be an option provided there is no underlying damage. They also last longer and stand up to foul weather better than shingles. The removal itself could cost anywhere from 3 to 5 per square foot. Things to know about metal over shingle roof problems.

If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. No matter what type of roof you choose make sure you tell your roofer to fix any underlying problems you have before installing any new roof. Metal roofs are lightweight easy to install and much more fire resistant than asphalt shingles. The installation of metal roofing involves placing large metal panels on the roof.

The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel. In fact in 2016 they started manufacturing the astonwood line using 28 gauge steel instead of 30 gauge due to numerous requests from contractors and builders. Metalwork shingles are made of heavy duty 28 gauge steel. It offers traditional asphalt products as well as metal roofs in wood shake tile and slate profiles.

In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. Both metal and shingle roofs are great options for your next roofing project. 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. Metal roofs offer energy savings but do cost more upfront than traditional asphalt shingles.

Replacing shingles with metal roofing is not necessarily difficult but it will require labor and time. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. However you do have the option of leaving the shingles in place and installing the roofing over them if the roof is in good shape. You have two options when installing metal roofs.

After all you ll be making a significant and long term investment.