Metal Roof Condensation In Attic

This video shows what a significant condensation problem can look like.

Metal roof condensation in attic.

As it cools it can t hold as much moisture. That excess moisture ends up as drops of condensation on the roof. Those drips from ceilings and surface moisture occur when warm air comes in contact with the cooler roofline or walls. If you are heating or cooling a building adding insulation would certainly be a good idea.

Water found in these places is commonly caused by condensation in the attic. Line the attic. 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. Sunlight heats the roof which raises the temperature of stagnant air in the attic.

Inspect the house by looking for vents that flow into the attic such as bathroom and kitchen exhaust fans. A properly installed metal roof with a properly prepared attic can prevent condensation. Picture a cloud of moisture floating overhead between the rafters. Attics are much like an oven.

When temperature and humidity conditions reach dew point moisture can condense on the underside of metal roofing and potentially cause water damage to the inside of your customer s building. Warm wet air rises and meets the cold roof and cools. How to stop condensation on a metal roof step 1. Oftentimes people will insulate their metal roof with 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.

Finding water damage on the wall or ceiling is worrying for any homeowner. Most people assume this is caused by a leaking roof but that might not be the source. Check for short circuits that may be causing moisture such as ceiling fans unsealed light fixtures and vent.