Watch the video on Repairing Metal Roof Seams https://www.youtube.com/watch?v=-QG1KeMoqKU.
Repairing a Metal roof seam. The transition from a high pitch roof to a low slope needs to be sealed with Silicone Patch
https://bergstromm.com/product/silicone-patch-2-gal-pail/
FTC Affiliate Disclaimer - I get commissions for purchases made through links in this post.
0:00 Transition causing leaks
1:40 Understanding what leak
3:46 Preparing to seal the seam
5:22 Using Lacquer Thinners
7:04 Using Masking Tape
8:36 Seal Seam after preparation
13:22 The results after 1 day