Using wood you eliminate one of those hard points so the metal can move without stretching.
Removing a sheet metal crease.
A crease dent is one that is shaped like an elongate oval with a deep recession in the middle of the oval.
Shrinking that crease back into the panel was a pile of work.
Pdr utilizes a variety of techniques to pop out dents and dings and has been around for decades.
With practice a crease can be removed in the same way.
The dome door skin wanted to collapse and oil can a lot.
Traditional bodywork used to be the only way to fix body damage.
On a molecular level the increased heat causes the molecules of the sheet metal to become excited.
Any time you hit sheet metal with steel hammer against a steel dolly it stretches.
It may be more effective.
Sometimes there will be more than one dent and one will affect the ability to pound out the first holding the metal out of shape.
How to bend sheet metal without a brake.
How to bend sheet metal without a brake in 4 different methods with minimal or homemade tools.
The other option would have been to cut the bottom of the crease with a thin blade grinder hammer and dolly the remainder of the crease then weld with more hammer and dolly work.
Sheet metal isn t all that different from a car s bodywork so most methods which will remove dents from a car work for sheet metal.
Shrinking metal is a special technique and there are many ways to do it.
Getting that much shrink was tough.
One involves using a blow dryer or a paint stripper which emits heat to warm the metal of the dent.
These dents often occur due to accidents and they are removed using specially designed tools that actually reshape the metal.