Corrugated Metal Roofing Under Deck – Are you in the market for a new roof? If so, then you will discover there are lots of alternatives available in the roofing industry. These options can range from multiple variations of asphalt shingle kinds to a lot of variations of alloy panels. One of the numerous questions that are introduced to a professional contractor is ” can metal roofing be set up over shingles?” . The dichotomous nature of installing metal within an existing shingle roof requires lots of actions. We’ll analyze these measures in greater detail to help determine if retrofitting a metal roof over an existing asphalt shingle roof is an innovative idea.
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There are several things you should consider before choosing to put in a metal panel roof over an existing asphalt shingle roof. The first thing that must be determined is if the roof plywood or plank board decking is secure and solid beneath the existing roof. Basically, the roof decking should not be damaged 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 prior to installing the new metal roof. It’s highly recommended, to inspect all of roof decking and framing out of the attic side of this roof.
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One has to look for dark stains, moldy stains, water trails on roof or plywood decking, and or some cracked or split rafters. This needs to be done with great care, for a single mistake can harm your ceilings or lead to significant injury to oneself. Following these items have been validated to be fine, then, the next step is to start preparing the roof. New 1×4 wood strips have to be installed horizontally and vertically every 24 inches across the roof plane on the flat from bottom to top. Following this is complete and a holistic approach to the whole roof, then, it is time to put in the roofing panels.
Be mindful that all roof penetrations might need to be flashed with flashing boots that will work with the metal panel selected for the roofing application. Within this step, picking the metal panel is vital to the longevity of roof life. There are metal panels that screw through to this would on the surface of the metal that’s simply nothing more than just fancy barn tin. The problem with elaborate barn tin panels is that the rubber dishwashers will dry rust and fail, thus, creating a roof leak that may undermine all the reason a metal roof has been selected to begin with.
A straightforward way to avert the face stained roof material is to use a hidden fastener metal plank. These kinds of panels are called standing metal seam. It’s highly recommended when picking a metal roof to consider longevity. Succinctly expressed, a hidden fastener panel will last the whole life of this alloy with minimal chance of leaks other than failing roof penetrations over time.This is ordinary to all roof types.