Having ventilation holes around the roof.
Metal porch roof condensation.
The result is the roof sweating and dripping water all over your precious stuff.
Inspect the house by looking for vents that flow into the attic such as bathroom and kitchen exhaust fans.
If the tin roof sits on top of another material such as wood then you can get a case of wood rot.
Is there some sort of sealer or paint that could be applied on the inside and or outside to stop this.
I have a screen room with a metal roof which forms condesation on the underneath side.
When this happens the tin roof can rust and even warp.
The five key points to stop your metal roof sweating are good roof ventilation the key to getting condensation to evaporate is air flow.
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.
How to stop condensation on a metal roof step 1.
There are primarily two ways this happens.
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.
At night the thin metal in the roof quickly cools down.
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.
Roof pitch the lower the pitch of a metal shed roof and also the deeper the corrugations the worse the problem of.
Traditionally condensation is managed by insulating the metal roof so that the panel temperature never reaches the dew point.
When then environment outside becomes cooler i e.
Line the attic.
Check for short circuits that may be causing moisture such as ceiling fans unsealed light fixtures and vent.
If you are heating or cooling a building adding insulation would certainly be a good idea.