Spare Tire Well Rust - Trunk Pan

Then with the panels screwed together and overlapping I marked a cut line and made the cut (thats me making the cut):



Next pull cut metal out of the way and install Butt Welding Clamps to align the two pieces. Don't be afraid to use a hammer to get the panels lined up. Take your time here:



Then tack weld between the Butt Weld Clamps. After tacking remove the clamps:



One welding tip is to flatten a copper pipe and wedge it on the other side where you are welding. The weld will not stick to the copper, it keeps the weld area cooler by disapating heat, and helps prevent burning holes in the sheet metal: