New Roofing – Can Metal Roofing Be Installed Over Shingles?
Are you currently looking for a brand new roof? If that’s the case, then you’ll find there are lots of possibilities within the roofing industry. These options can vary from multiple variations of asphalt shingle types to a lot of variations of metal panels.
One of the numerous questions which are given to an expert contractor is: “can metal roofing be installed over shingles?”. The straightforward response is yes. The dichotomous nature of putting in metal over a current shingle roof requires many steps. We’ll examine these steps in depth to assist determine whether retrofitting metallic roof over and existing asphalt shingle roof is definitely an innovative idea.
There are many considerations to consider before choosing to use a metal panel roof over a current asphalt shingle roof. The very first factor that must definitely be determined is that if the rooftop plywood or plank board decking is safe and solid beneath the existing roof. Basically, the rooftop decking shouldn’t be broken from water entering that old roof at any pinhole or other transmission within the concept of the rooftop. This can need a little investigative work just before installing the brand new metal roof.
It’s highly suggested, to examine all roof decking and framing in the attic room side from the roof. You have to search for brown spots, moldy spots, water trails on plywood or roof decking, as well as any cracked or split rafters. Do this meticulously, for just one mistake can harm your ceilings or cause significant injuries to yourself. After this stuff happen to be validated to become okay, then, the next thing is to begin preparing the rooftop.
New 1×4 wood strips should be installed vertically and horizontally every 24 inches through the roof plane around the horizontal from bottom to top. It’s highly suggested to make use of wood screws to connect the brand new 1 x 4 wood strips. Following this is finished along with a holistic method of the whole roof, then, it’s time to install the roofing panels. Be conscious that roof penetrations must be exhibited with flashing boots which will use the metal panel selected for that roofing application.
Within this step, selecting the metal panel is crucial towards the durability of roof existence. You will find metal panels that screw right through to that will evidently from the metal which are simply simply fancy barn tin. The issue with fancy barn tin panels would be that the rubber washers overtime will dry rot and fail, thus, developing a roof leak that may undermine all of the reason metallic roof was selected to start with.