Put the steel down directly on a vapor barrier.
Metal roof sweating problem.
The lower the pitch of a metal shed roof and also the deeper the corrugations the worse the problem of metal roof sweating.
Condensation happens when moisture filled air contacts anything that is below the dew point temperature.
Richard the problem you are describing is common with metal roof buildings in climates with high or mixed humidity with temperatures low enough to reach dew point.
Condensation in metal sheds is a commonly reported problem the inside of the shed roof is running with water and this damp atmosphere is bad for the items that are stored there.
Metal roof over shingles condensation.
Tips for installing metal roofing accessories.
It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.
Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
Benefits of metal panels for agricultural buildings.
Selecting metal roofing trim.
Warm air holds more moisture than cold air.
The result is the roof sweating and dripping water all over your precious stuff.
To understand what causes condensation we reached out to chris davis president of dripstop.
Selecting applying metal roofing touch up paint.
What causes condensation problems on the underside of metal roofs.
How to prepare for metal roof installation.
As the air inside the building is heated it rises carrying moisture with it when the warm moist air reaches the ceiling it easily passes through the fibrous insulation material allowing it to reach the underside of the metal roof.
Metal gets cold faster than other items so condensation begins on metal first.
When the temperature of the roof is lower than the air inside the extra moisture in the air condenses on the underneath of the roof.
Metal tools go rusty fabric becomes mildewed there must be a way to solve this problem.
When then environment outside becomes cooler i e.
Chris explains that there are two important things to remember with condensation and they may seem somewhat counterintuitive.
At night the thin metal in the roof quickly cools down.
