Standing seam consists of sheet metal roofing panels joined side by side and attached to the roofing deck with concealed fasteners.
How to install standing seam metal roof panels.
Place the first panel with overlap leg along the alignment line.
This technique provides the cleanest look and shows no exposed fasteners.
Unlike steel and aluminum shingles standing seam panels should not be installed over the existing asphalt shingles.
Fasten panel side with number ten pancake head screws and the top of the panel with three number fourteen mill points.
This video shows how to install standing seam panels when hemming the eave and rake.
In cold weather slide the panels tight against the eave flashing and in warm weather allow a gap for expansion.
Overlap the end a minimum of six inches when starting a new roll of underlayment.
A typical standing seam panel can be approximately 12 16 and 19.
The connecting point where the two separate metal panels meet forms a vertically pointed rib or a seam that is one inch to inch and a half high.
Start the installation of the underlayment at the intersection of an eave and a gable end and then roll it out parallel to the eave end.