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.
Overlapping sheet metal.
Overlapping anti condensation lined sheets.
Item 168753 model 11786.
What the reasons you should be butt we.
The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel.
Any end laps must be supported by a suitable purlin.
The installation of metal roofing involves placing large metal panels on the roof.
As a first line of defense against water damage it is important that the metal roof overlap be implemented correctly.
Lay 3 inch wide butyl tape over all vertical metal panel seams.
Which should you be using.
Hillman 12 in x 24 in cold rolled steel expanded sheet metal.
How to properly overlap pro rib and premium pro rib panels.
An overlapping joint will provide a place for moisture to collect and rust to take over again.
Another point to consider is cars are running machines hopefully and vibration causes the body to flex.
Butt welding vs overlapping sheet metal panels february 10 2019 roadkill customs how to diy welding basics the hot rod hippie discusses butt welding vs overlapping sheet metal panels on your hot rod or custom vehicle project.
Position the tape with the release backing on the top side.