Metal Roof Venting Problem

What are some common problems with metal roofing.

Metal roof venting problem.

The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture. The building codes and building science for. This video shows what a significant condensation problem can look like. That excess moisture ends up as drops of condensation on the roof.

Should you vent a metal roof. As it cools it can t hold as much moisture. Roof ridge vents can reduce indoor air pollution levels. Insufficient ventilation can lead to moisture problems during the winter and decreased energy efficiency during the summer but too much ventilation can be just as bad if not worse.

Picture a cloud of moisture floating overhead between the rafters. The other option of course is a vented attic which requires an equal balance of intake and exhaust vents. We specialize in providing painted galvalume and aluminum for the architecturally driven metal panel industry. Sheffield metals is a leader in the distribution of coated and bare metal products as well as engineered standing seam metal roof ssmr wall systems.

Problems can arise when installing this vent if the nails you use are too short to firmly fix the vent to your roof if your end caps are not installed if the gap for the vent is too wide if the gap is too narrow not enough soffit vents installed too many soffit vents installed. Roof vents create an additional roof penetration essentially another place of vulnerability where leaks can occur. About two thirds of that time happens at home. The only problem with this lifestyle is that the quality of your indoor air can be up to 5 times worse than the outside air.

Without proper ventilation heat and humidity can build beneath the metal roofing warping the rafters shortening the. When summer s sun beats down the underside of the metal can get scalding hot. Warm wet air rises and meets the cold roof and cools. In many cases for existing homes this is the easier way to go.

Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. However a metal roof cannot eliminate high humidity levels. Learn the ins and outs of metal roofing by downloading your free metal roofing buyer s guide ebook below. Inadequate venting metal roofs do not stop moist warm air from rising through the house and into the attic.