Best Metal Roof Sealant – If so, then you are going to find there are many alternatives available in the roofing market. These choices can vary from several variants of asphalt shingle types to many versions of alloy panels. Among the many questions that are presented to an expert contractor would be ” can metal roofing be installed over shingles?” . The easy answer is yes. The dichotomous nature of installing metal over an existing shingle roof requires many steps. We’ll analyze these measures in greater detail to help determine if retrofitting a metallic roof over an existing asphalt shingle roof is a complex idea.
There are numerous things you should consider before deciding to put in a metal panel roof over an existing asphalt shingle roof. The first thing that has to be determined is if the roof plywood or board board decking is secure and solid underneath the current roof. Basically, the roof tiling shouldn’t be damaged by water entering the old roof at any pinhole or some additional penetration within the subject of the roof. This will require a small investigative work before installing the new metal roof. It’s highly recommended, to inspect all of roof decking and framing from the attic side of this roof.
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One has to search for dark stains, moldy stains, water paths on roof or plywood tiling, and or some cracked or split rafters. This needs to be performed with great care, for one mistake can harm your ceilings or cause substantial harm to oneself. After these items are validated to be okay, then, the next step is to begin preparing the roof. New 1×4 wood strips must be installed vertically and horizontally every 24 inches across the roof plane on the horizontal from bottom to top. After this is complete and a holistic approach to the entire roof, then, now is the time to put in the roofing panels.
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Be mindful that all roof penetrations might have to be flashed with flashing glasses that will work together with the metallic panel selected for the roofing application. In this step, choosing the metallic panel is critical to the wellbeing of roof lifetime. There are metal panels that float to this would on the face of the metal that is simply nothing more than fancy barn tin. The issue with elaborate barn tin panels is that the rubber washers overtime will dry rot and neglect, thus, creating a roof leak that can undermine all of the reason a metallic roof has been selected to start with.
A straightforward approach to avert the face screwed roofing material would be to use a concealed fastener metal plank. These types of panels are known as standing metal seam. It’s highly recommended when choosing a metal roof to think about longevity. Succinctly expressed, a concealed fastener panel will last the entire life of this alloy with minimal likelihood of leaks aside from failing roof penetrations over time.This is ordinary to all roof types.