Waterproofing A Flat Metal Roof – If so, then you are going to find there are many options out there in the roofing industry. These options can vary from multiple variations of asphalt shingle kinds to a lot of variations of alloy panels. Among the numerous questions that are introduced to an expert contractor is ” can metal roofing be set up over shingles?” . We’ll analyze these steps in greater detail to help determine if retrofitting a metallic roof over an present asphalt shingle roof is a complex idea.
There are several things you must consider before choosing to put in a metal panel roof over an present 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 current roof. Basically, the roof tiling shouldn’t be ruined by water entering the old roof at any pinhole or any other penetration inside the subject of the roof. This may require a small investigative work prior to installing the new metal roof. It is highly recommended, to inspect all of roof decking and framing from the attic side of the roof.
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One must look for dark stains, moldy stains, water trails on roof or plywood tiling, and or any cracked or cracked rafters. This needs to be done 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 across the roof plane on the horizontal from bottom to top. It is highly recommended to use wood screws to attach the new 1 x 4 wood strips. After this is complete and a holistic approach to the entire roof, then, it is time to put in the roofing panels.
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Be mindful that all roof penetrations will have to be flashed with flashing glasses that will work with the metallic panel chosen for the roofing application. In this step, choosing the metallic panel is vital to the longevity of roof lifetime. There are metal panels that float to this would on the surface of the metal that is simply nothing more than 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 can undermine all the reason a metallic roof has been chosen to begin with.
An easy approach to avert the face screwed roofing material is to use a hidden fastener metal plank. These kinds of panels are called standing metal seam. It is highly recommended when choosing a metal roof to think about longevity. Succinctly expressed, a hidden fastener panel is going to last the entire life of the alloy with minimal chance of leaks aside from failing roof penetrations over time.This is ordinary to all roof types.