Metal Roof Valley Cuts – If so, then you are going to discover there are many alternatives out there in the roofing market. These choices can range from several variations of asphalt shingle types to many variations of metal panels. Among the numerous questions that are presented to a professional contractor is ” can metal roofing be installed over shingles?” . We will analyze these measures in greater detail to help determine if retrofitting a metallic roof over an existing asphalt shingle roof is an innovative idea.
There are numerous things you must 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 underneath the existing roof. Essentially, the roof tiling should not be damaged by water entering the old roofing in any pinhole or any other penetration inside the field of the roof. This will require a small investigative work before installing the new metal roofing. It’s highly recommended, to inspect all roof decking and framing from the attic side of this roofing.
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One must search for dark spots, moldy spots, water trails on roof or plywood tiling, and or any cracked or split rafters. This should be done with good care, for one error can harm your ceilings or cause significant injury to oneself. After these items have been validated to be okay, then, the next step is to start preparing the roofing. New 1×4 wood strips must be installed horizontally and vertically 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, now is the time to put in the roofing panels.
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Be cautious that all roof penetrations might 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 vital to the wellbeing of roof lifetime. There are metal panels that screw through to this would on the surface 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 rust and neglect, thus, developing a roof leak that may undermine all the reason a metallic roof has been chosen to begin with.
An easy way to avoid the face screwed roofing material is 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 roofing to consider longevity. Succinctly expressed, a concealed fastener panel will last the whole life of this metal with minimal chance of leaks other than failing roof penetrations over time.This is ordinary to all roofing types.