Lap welds because they cannot flex like the sheet metal around them will eventually show visible creases.
Overlapping sheet metal.
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.
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.
Which should you be using.
Any end laps must be supported by a suitable purlin.
Lay 3 inch wide butyl tape over all vertical metal panel seams.
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.
An overlapping joint will provide a place for moisture to collect and rust to take over again.
Item 168753 model 11786.
How to properly overlap pro rib and premium pro rib panels.
As a first line of defense against water damage it is important that the metal roof overlap be implemented correctly.
Another point to consider is cars are running machines hopefully and vibration causes the body to flex.
Peel back the release backing to start the application.
Hillman 12 in x 24 in cold rolled steel expanded sheet metal.
Position the tape with the release backing on the top side.