Metal Roof Flashing Details

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Metal Roof Flashing Details – Are you in the market for a new roof? If so, then you are going to find there are lots of alternatives available in the roofing industry. These choices can range from several variants of asphalt shingle types to many variations of alloy panels. One of the many questions which are introduced to an expert contractor would be ” can metal roof be installed over shingles?” . The dichotomous nature of installing metal over an existing shingle roof requires lots of actions. We’ll 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 must consider before choosing to install a metal panel roof over an existing asphalt shingle roof. The very first thing that has to 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 ruined by water entering the old roof at any pinhole or any additional penetration within the subject of the roof. This will require a small investigative work prior to installing the new metal roof. It is highly recommended, to inspect all roof decking and framing from the attic side of this roof.

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One has to look for dark spots, moldy spots, water trails on plywood or roof decking, and or any cracked or split rafters. This needs to be performed with great care, for one mistake can damage your ceilings or cause significant injury to oneself. New 1×4 wood strips have to be installed vertically and horizontally every 24 inches throughout the roof plane on the horizontal from bottom to top. Following this is complete along with a holistic approach to the entire roof, then, it is time to install the roof panels.

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Be mindful that all roof penetrations might need to be flashed with flashing glasses which will work together with the metallic panel chosen for the roofing application. Within this step, picking the metallic panel is critical to the longevity of roof lifetime. You will find metal panels which float to that would on the face of the metal that’s simply nothing more than just fancy barn tin. The problem with fancy barn tin panels is that the rubber washers overtime will dry rust and neglect, thus, developing a roof leak that can undermine all the reason a metallic roof was chosen to start with.

An easy approach 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 is highly recommended when picking a metal roof to think about longevity. Succinctly expressed, a hidden fastener panel will last the entire life of this alloy with minimal chance of leaks aside from failing roof penetrations over time.This is normal to all roof types.

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