Repair Rusted Metal Roofs holes and A/C Ductwork, See how to seal any rusted metal hole from leaking with Super Silicones Seal.
Super Silicone Seal and Turbo Poly Seal can be bought at: https://bergstromm.com/
Chapters:
0:00 Rusted A/C Ductwork
0:22 Use Grinder to remove rust
1:35 Use Super Silicone Seal
2:10 Covering Seam with SSS
3:34 Results after a month