Lap welds because they cannot flex like the sheet metal around them will eventually show visible creases.
Overlapping sheet metal.
How to properly overlap pro rib and premium pro rib panels.
The installation of metal roofing involves placing large metal panels on the roof.
What the reasons you should be butt we.
Item 168753 model 11786.
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.
Hillman 12 in x 24 in cold rolled steel expanded sheet metal.
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.
Any end laps must be supported by a suitable purlin.
In today s video we discuss butt welding vs overlapping sheet metal panels on your project.
Lay 3 inch wide butyl tape over all vertical metal panel seams.
Position the tape with the release backing on the top side.
Which should you be using.
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.
The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel.