How to properly overlap pro rib and premium pro rib panels.
Overlapping sheet metal.
Overlapping anti condensation lined sheets.
As a first line of defense against water damage it is important that the metal roof overlap be implemented correctly.
An overlapping joint will provide a place for moisture to collect and rust to take over again.
Which should you be using.
Another point to consider is cars are running machines hopefully and vibration causes the body to flex.
Any end laps must be supported by a suitable purlin.
Peel back the release backing to start the application.
If end laps are required you should allow 300mm minimum overlap sealed with butyl sealant tape 10mm from the edge of each overlapping sheet as well as in the middle of the overlap.
Lay 3 inch wide butyl tape over all vertical metal panel seams.
Hillman 12 in x 24 in cold rolled steel expanded sheet metal.
What the reasons you should be butt we.
Position the tape with the release backing on the top side.
The installation of metal roofing involves placing large metal panels on the roof.
In today s video we discuss butt welding vs overlapping sheet metal panels on your project.
Lap welds because they cannot flex like the sheet metal around them will eventually show visible creases.