Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Underside of metal roof.
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.
The final method of stoppoing a metal roof sweating is to bond an anti condensation layer on to the underside of the roof.
No drips are formed.
What causes condensation problems on the underside of metal roofs.
Warm air holds more moisture than cold air.
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.
To understand what causes condensation we reached out to chris davis president of dripstop.
Underside corrosion if the metal is improperly coated on the underside of the panel corrosion could take place.
Chris explains that there are two important things to remember with condensation and they may seem somewhat counterintuitive.
Place the first screw.