Titebond Metal Roof Sealant Product Data Sheet – If so, then you will find there are lots of options available in the roofing market. These choices can vary from several variants of asphalt shingle kinds to many variations of alloy panels. One of the many questions that are presented to an expert contractor is ” can metal roofing be installed over shingles?” . The easy answer is yes. We will examine these measures in greater detail to help determine if retrofitting a metal roof over an existing asphalt shingle roof is an innovative idea.
There are numerous things you should consider before deciding to install a metal panel roof over an existing asphalt shingle roof. The very first thing that must be determined is if the roof plywood or plank board decking is solid and secure beneath the existing roof. Basically, the roof tiling shouldn’t be ruined by water entering the old roof in any pinhole or some other penetration within the subject of the roof. This will require a little investigative work before installing the new metal roof. It is highly recommended, to inspect all of roof decking and framing out of the attic side of the roof.
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One has to look for dark stains, moldy stains, water trails on plywood or roof tiling, and or some cracked or cracked rafters. This should be done with good care, for a single mistake can damage your ceilings or cause substantial injury to oneself. Following these things are validated to be fine, then, the next step is to start preparing the roof. New 1×4 wood strips must be installed vertically and horizontally every 24 inches throughout the roof plane on the flat from bottom to top. Following this is complete along with a holistic approach to the whole roof, then, now is the time to install the roofing panels.
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Be cautious that all roof penetrations might need to be flashed with flashing boots that will work together with the metal panel chosen for the roofing application. In this step, picking the metal panel is vital to the wellbeing of roof lifetime. You will find metal panels that float to this would on the surface of the metal that’s simply nothing more than just fancy barn tin. The issue with fancy barn tin panels is that the rubber dishwashers will dry rot and fail, thus, creating a roof leak that can undermine all the reason a metal roof has been chosen to begin with.
An easy way to avert the face stained roof material is to use a concealed fastener metal plank. These kinds of panels are known as standing metal seam. It is highly recommended when picking a metal roof to consider longevity. Succinctly expressed, a concealed fastener panel is going to last the whole life of the alloy with minimal chance of leaks other than failing roof penetrations over time.This is ordinary to all roof types.