This requires opening or removing the inside skins but once again is rather common.
Removing dents from aluminum sheet.
Hold a heat gun about 4 inches away from the dent in the aluminum trailer.
Typically the method used by these roving bodywork specialists involves four basic procedures.
Disconnect battery and any other electronics in the repair area.
Put it on the highest setting turn it on and wave it over the trailer dent.
In this video wray instructs how to remove high spots and dents in aluminum using simple metal shap.
If you are using dry ice grab a block of the ice with one hand then gently rub it over the aluminum foil resting on.
There is another pdr trick called metal shrinking that is pretty neat and removes dents through heating and cooling of the sheet metal.
Hopefully the dent will pop out and the siding will be good as new.
This works with dents that measure at least a few inches across.
It will start changing right away as stress is released.
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.
They vibrate at a slightly greater rate making the sheet metal more pliable.
How to fix small dents in aluminum siding drill a hole in it insert a sheet metal screw tug the washer putty the hole sand the spot prime and paint the repair.
Evaluate the technique you want to use.
Drill a couple of 1 8 inch holes in the part of the siding that contains the dent.
Step 6 remove the heat gun and rapidly turn the compressed can of air upside down to make the carbon dioxide inside the can rush to the sprayer.
Either method will only require a brief application.
On a molecular level the increased heat causes the molecules of the sheet metal to become excited.
Heat up the damaged area.
Depending on the dent and body.
If you are using a can of compressed air turn the can upside down and spray the surface of the dented area to cover.
Drilling numerous holes in and all around a dent slide hammering the riddled metal out plastering.
Apply heat with your source of choice.
Some large dents that are too small for a suction cup or won t pop out because the metal has been stretched by the dent can be pushed out and formed from the inside using simple body spoons.
One involves using a blow dryer or a paint stripper which emits heat to warm the metal of the dent.
Smaller dents like door dings and hail damage will need the pdr tools.