Using a Copper Backing Strip When Filling Holes by Welding

Here's the plan. Weld a sacrificial strip of metal on the side

Metal Work - Filling Spot Weld Holes

Welding Stainless - Tip for using Copper chills

4-Long Magnetic Copper Backer Helps You Weld Without Burning Holes Prevents Warping And Weld Burn-Thru Welding Material Won'T Stick To Copper 2 X 4

Eastwood 2 in. X 4 in. Magnetic Copper Butt-Weld Backer Flat Copper Panels Hands-Free

Misplaced hole Weld Joint Designation

Avoid Welding Mishaps: Our 2 Magnetic Copper Backer prevents burning holes and warping during welding. No More Weld Sticking: Welding material won't

Magnetic Backing Copper Welding Spoon Magnetic Copper Butt-Weld Backer Set Flat Copper Panels Hands-Replaceable Magnet Design, can be reused (2x2)

Filling Trim Holes in Car Body: Sheet Metal Welding Tips

Filling Trim Holes in Car Body: Sheet Metal Welding Tips

About Fig Leaves And Installing Seacocks - Attainable Adventure

How do you guys weld patch panels - butt or lap?

Tips for Welding Thin Gauge Sheet Metal

Welding Up Unwanted Holes - The Quick Guide for A Perfect Finish