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How to Use Sandblasting during Vehicle Restoration

24 May 2019 by Todd West

If you want to become involved in vehicle restoration, then you may be on the lookout for a hidden gem or two, something that may have been long since abandoned but may nevertheless represent a golden opportunity. The good news is that a current owner may be more than ready to get rid of such a vehicle and may not realise how much value it could represent when restored to its former glory. You may be able to look beyond the surface rust and general degradation but may nevertheless be a little worried about the work required. What's the best way to cut this vehicle down to the original metal to make it ready for restoration?

Making a Plan

Experts in this field will typically use a process known as sandblasting as this can get rid of worn paint and rust quite effectively while leaving adjacent areas unaffected. Consequently, you will need to come up with a plan of action first to determine what you need to restore and what can remain 'as is.'

Sandblasting Process

This type of process relies on the use of tiny particles of sand that are propelled towards the surface of the vehicle at an extremely high pressure. When the sand hits the metal, it will grind away the surface, taking with it the old paint or cumulative rust. Some people like to use a process known as soda blasting, which employs the same principle but uses sodium bicarbonate instead of sand.  

Different types of sand can be used in different situations. Experts may use a 'softer' type of sand for the visible areas of the car and a more aggressive particle for surfaces that may be out of sight or require additional work.

Careful Preparation

A lot of effort will need to be put into the preparation stage; however, as all of the peripherals need to be removed before the process can begin. It's not good enough to simply tape over lights, handles and trim as the pressure involved will easily tear the tape and damage what's beneath.

Time Is of the Essence

Remember, wait until it is time to paint the vehicle before blasting the surface. You don't want to expose the metal for any long period of time as rust can build up very quickly in the typically humid Australian environment. If your timing is poor, then you may have to repeat the sandblasting process to get rid of any new rust.

Over to the Experts

To ensure that you make the most of your opportunity and restore the value of the vehicle correctly, consider going to a sandblasting professional. 

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