Metal Roof Condensation In Attic

We have researched possible causes and have found a lot of information online making it difficult to discern what the cause actually is and therefore how to begin to try to fix it.

Metal roof condensation in attic.

The reason that the attic is probably showing this condition now is because the attic temps are lower with the steel roof as compared to when the asphalt roof was in place. Metal roofing is a great residential roofing option thanks to its unique benefits such as long life span durability and energy efficiency. Water found in these places is commonly caused by condensation in the attic. Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.

That excess moisture ends up as drops of condensation on the roof. Warm wet air rises and meets the cold roof and cools. The condensation only seems to appear when it snows and there is snow sitting on top of the metal roof. You need to air seal the attic floor and stop the movement of condensation into the attic space.

In this blog local roofing company cantrell roofing llc shares insight on condensation and how it relates to metal roofs. Picture a cloud of moisture floating overhead between the rafters. However precautions must be taken to minimize condensation on it. Traditionally condensation is managed by insulating the metal roof so that the panel temperature never reaches the dew point.

As it cools it can t hold as much moisture. What causes water condensation. Metal gets cold faster than other items so condensation begins on metal first. Essentially condensation occurs at night when the temperature inside a building is warmer than outside.

This is often accomplished using vinyl backed fiberglass insulation to prevent humid air from coming into contact with the cooler metal roof which may be at or below the dew point. How to stop metal roof sweating condensation dripping very easily cheaply and completely as a do it yourself diy project. It can lead to roof leaks even if rain has not occurred for several days. Good installation and ventilation means no condensation when installed on standard residential construction consisting of typical attic insulation proper and well functioning ventilation and roof decking metal roofs do not pose a condensation risk.

Most people assume this is caused by a leaking roof but that might not be the source.