Overlapping Sheet Metal

Another point to consider is cars are running machines hopefully and vibration causes the body to flex.

Overlapping sheet metal.

Peel back the release backing to start the application. How to properly overlap pro rib and premium pro rib panels. 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.

Lay 3 inch wide butyl tape over all vertical metal panel seams. Item 168753 model 11786. Position the tape with the release backing on the top side. An overlapping joint will provide a place for moisture to collect and rust to take over again.

Any end laps must be supported by a suitable purlin. What the reasons you should be butt we. In today s video we discuss butt welding vs overlapping sheet metal panels on your project. The installation of metal roofing involves placing large metal panels on the roof.

The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel. 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 anti condensation lined sheets.