Snap Lock Metal Roofing Systems – If so, then you will find there are lots of alternatives available in the roofing industry. These choices can vary from multiple variations of asphalt shingle kinds to a lot of versions of alloy panels. One of the numerous questions which are presented to an expert contractor would be ” can metal roof be set up over shingles?” . The simple answer is yes. The dichotomous nature of installing metal over an existing shingle roof requires lots of steps. We will analyze these steps in greater detail to help determine if retrofitting a metal roof over an existing asphalt shingle roof is an innovative idea.
There are several things you must consider before deciding to put in a metal panel roof over an existing asphalt shingle roof. The very first thing that must be determined is if the roof plywood or plank board decking is secure and solid beneath the current roof. Basically, the roof decking should not be ruined by water entering the old roof at any pinhole or some additional penetration inside the field of the roof. This may require a little investigative work before installing the new metal roof. It’s highly recommended, to inspect all roof decking and framing out of the attic side of this roof.
snap lock metal roofing
One must look for dark spots, moldy spots, water trails on roof or plywood decking, and or some cracked or split rafters. This should be performed with great care, for a single error can damage your ceilings or cause substantial harm to oneself. Following these items are validated to be fine, then, the next step is to start preparing the roof. New 1×4 timber strips must 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, now is the time to put in the roof panels.
metal roofing fabrication installation
Be mindful that all roof penetrations might need to be flashed with flashing boots which will work together with the metal panel chosen for the roofing program. In this step, choosing the metal panel is critical to the longevity of roof life. You will find metal panels which screw through to that would on the surface of the metal that’s simply nothing more than fancy barn tin. The issue with fancy barn tin panels is that the rubber dishwashers will dry rust and fail, thus, developing a roof leak that may undermine all the reason a metal roof was chosen to begin with.
A straightforward way to avoid the face screwed roofing stuff would be to use a concealed fastener metal panel. These kinds of panels are known as standing metal seam. It’s highly recommended when choosing a metal roof to think about durability. Succinctly expressed, a concealed fastener panel is going to last the entire life of this alloy with minimal chance of leaks other than failing roof penetrations over time.This is normal to all roof types.