How to do a Long Lasting DIY Rust-Out Repair using Metal and Fiberglass

A small bubbling area in the right rear corner of an F150 proved to be hiding a much bigger rust-out than expected. Watch as a replacement piece of sheet metal is inserted to repair this corrosion before it gets worse. Techniques for using fiberglass mat and body filler are also shown on the way to a good looking and long-lasting repair.