Metal Roof Screw Spacing – Are you currently in the market for a new roof? If this is so, then you are going to discover there are many options available in the roofing market. These options can vary from several variants of asphalt shingle types to a lot of variations of metal panels. Among the many questions that are presented to an expert contractor would be ” can metal roof be installed over shingles?” . The dichotomous nature of installing metal within an existing shingle roof requires many actions. We will examine these steps in greater detail to help determine if retrofitting a metallic roof over an existing asphalt shingle roof is an innovative idea.
There are several things you should consider before choosing to install a metal panel roof over an existing asphalt shingle roof. The first thing that has to be determined is if the roof plywood or plank board decking is solid and secure beneath the existing roof. Essentially, the roof tiling shouldn’t be ruined by water entering the old roofing in any pinhole or any additional penetration inside the field of the roof. This will require a little investigative work before installing the new metal roofing. It’s highly recommended, to inspect all roof decking and framing out of the attic side of this roofing.
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One has to search for dark spots, moldy spots, water paths on plywood or roof tiling, and or any cracked or split rafters. This should be performed with great care, for a single mistake can damage your ceilings or cause significant injury to oneself. New 1×4 timber strips must be installed vertically and horizontally every 24 inches throughout the roofing plane on the flat from bottom to top. After this is complete along with a holistic approach to the whole roof, then, it is time to install the roof panels.
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Be cautious that all roof penetrations will have to be flashed with flashing boots that will work with the metallic panel chosen for the roofing program. Within this step, choosing the metallic panel is critical to the longevity of roof lifetime. You will find metal panels that screw through 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 dishwashers will dry rust and fail, thus, creating a roof leak that can undermine all of the reason a metallic roof has been chosen to start with.
An easy way to avoid the face screwed roofing material would be to use a hidden fastener metal plank. These types of panels are known as standing metal seam. It’s highly recommended when choosing a metal roofing to consider durability. Succinctly expressed, a hidden fastener panel is going to last the whole life of this metal with minimal likelihood of leaks aside from failing roof penetrations over time.This is ordinary to all roofing types.