Venting Standing Seam Metal Roof – 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 options can vary from several variants of asphalt shingle types to a lot of variations of metal panels. Among the numerous questions which are introduced to a professional contractor is ” can metal roof be installed over shingles?” . The dichotomous nature of installing metal over an existing shingle roof requires lots of steps. We’ll examine these measures in greater detail to help determine if retrofitting a metal roof over an existing asphalt shingle roof is a complex idea.
metal roof waterproofing coating
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 has to be determined is if the roof plywood or plank board decking is secure and solid underneath the existing roof. Essentially, the roof decking shouldn’t be ruined by water entering the old roofing in any pinhole or any additional penetration within the field of the roof. This may require a small investigative work before installing the new metal roofing. It is highly recommended, to inspect all roof decking and framing from the attic side of the roofing.
standing seam metal roof
One must look for dark spots, moldy spots, water trails on roof or plywood decking, and or any cracked or split rafters. This needs to be done with good care, for a single error can harm your ceilings or lead to substantial harm to oneself. New 1×4 wood strips have to be installed vertically and horizontally every 24 inches throughout the roofing plane on the flat from bottom to top. Following this is complete and a holistic approach to the entire roof, then, it is time to put in the roof panels.
Be cautious that all roof penetrations might have to be flashed with flashing boots which will work with the metal panel selected for the roofing program. Within this step, picking the metal panel is critical to the wellbeing of roof life. You will find metal panels which float to that would on the face of the metal that is simply nothing more than just fancy barn tin. The issue with fancy barn tin panels is that the rubber dishwashers will dry rot and fail, thus, creating a roof leak that can undermine all of the reason a metal roof has been selected to start with.
An easy way to avert the face stained roof stuff is to use a concealed fastener metal plank. These types of panels are called standing metal seam. It is highly recommended when picking a metal roofing to consider longevity. Succinctly expressed, a concealed fastener panel will last the entire life of the metal with minimal likelihood of leaks aside from failing roof penetrations over time.This is ordinary to all roofing types.