Warm air holds more moisture than cold air.
Underside of metal roof.
Then as the temperature inside and outside equalise the moisture is released.
When condensation starts to form on the underside of the roof it is absorbed by the fleece material.
Underside corrosion if the metal is improperly coated on the underside of the panel corrosion could take place.
To understand what causes condensation we reached out to chris davis president of dripstop.
This occurs when water molecules get trapped underneath between the panel and the insulation or underlayment which can cause the metal to weaken if not coated.
What causes condensation problems on the underside of metal roofs.
The final method of stoppoing a metal roof sweating is to bond an anti condensation layer on to the underside of the roof.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
No drips are formed.
Chris explains that there are two important things to remember with condensation and they may seem somewhat counterintuitive.