34 replies to this topic

[laspy]

I need advice on whether to get my whole car bead blasted or sandblasted. Hear is the run down:

Sand blasting
- More aggressive, have been told it could warp panels? (even though the guy i rang said he wont and has been doing it for years)
- Will get rid of all paint, rust and bog.
- May leave traces of sand after it is done
- Cant do the under side of bonnets or boot lids
- Is a perfect start point as sand blasting bites into the steel giving a good surface

Bead blasting
- Guaranteed no warped panels
- Gets rid of all paint and some bog. Does net get rid heavy bog and does not get rid of rust.
- The surface needs to be sanded back lightly after it has been done.


It will cost about the same to get either done. Sand blasting sounds good but i am concerned about panel damaged. Bead blasting will leave me with rust which means i will need to get that removed.

Has anyone here had experience with both of these or gone through the thinking stage between them and made a decision?


cheer

[A9X]

In the same line of thought that a good blaster will not warp your panels with sand, a bad blaster WILL warp your panels with Plastic Media Blasting (PMB or Bead).

Sand will give you the best finish but you beed to be straight onto it with a good etch primer.

You will need to make sure you are not doing the blasting in damp conditions.

Lastly, you forgot one . soda blasting...

Don't know anything more than what i've read.

Welby

[laspy]

I have been told by the guy who does the plastic beading that at the PSI they use panels can not be warped. Soda blasting is a cheaper solution. It is not that common in victoria yet. Its supposed to be similar to bead blasting but less aggressive again. I am still not sure which way to go. Sand blasting sounds so good because it gets rid of absolutely everything but the possibility of having warped panels puts me off....

[laspy]

The places i have looked into are

DAF industries in mordialloc
CarStrip in Campberfield
Blast off in Heidleberg

[smeer]

can blasters do a whole pile of small bits? I can't be bothered manually stripping some parts like shifter, pedal box, column etc etc. Can they also do tiny things like all the nuts and bolts that go with?
thanks!

[RIM-010]

smeer, you can buy home sandblasters for about $250 off eBay...

Tim

[LHEFI]

When I had my car sand blasted the big flat areas ie centre roof, boot, bonnet ect were not done and paint stripper was used instead. Blasting is great for all the edges and hard to get too areas.

Cheers

[ls2lxhatch]

Soda blasting is the way to go. I have seen paint removed from aluminium cans without damage. I had my hatch soda blasted for $1200. I am getting the grill soda blasted next week. They say they can remove the paint without damaging the plastic, should be interesting.

Soda blasting leaves a coating on the metal so it will not rust for a couple of weeks giving you time to do panel work. When you are ready to prime you remove the coating using POR15 Metal Ready or a similar acid wash.

The worst thing about sand blasting is that the stuff gets everywhere inside panels etc. You can never get all the sand out, instead is sits there waiting to absorb moisture or fall out when the paint is wet.

[laspy]

What is the advantage of soda blasting over bead blasting?


I was thinking to get the whole car bead blasted and then to have specific rusted areas sand blasted. This would be a more expensive process but a safe way to do things. The whole car will need a light sanding before primer is applied. What do you guyths think about this method?


cheers

[laspy]

Hey hatchback... did the soda blasting remove any of the bog/filler at all?
why did you choose soda blasting over bead blasting?

[laspy]

I have been told by the owner of CarStrip that once a car is bead blasted it can be left a couple months without surface rust appearing. He recons this is due to the fact that the beads dont bight into the metal. Where as sand blasting bites deep into the steel so there is no protective coating over it what soever. One of the main reasons i want to get blasting done is to get rid of all surface rust and rust that has been bogged over. Either way if i go soda or bead the car will need to be sand blasted in some areas where there is rust...

[ls2lxhatch]

Soda blasting will probably remove any rust you have. If the rust is so bad that soda blasting does not remove it then it probably should be cut out.

See if you can find a soda blaster in your area and have a look at what they can do.

The following websites have some information.

http://www.asb-qld.com.au/faqs.htm
http://www.sodablast.....r Restoration

[laspy]

I will look into soda blasting...

Are there any companies in melbourne that do it? anyone?

[N/A-PWR]

Is Soda Blasting the going thing these Day's

 

or has Chemical Dipping taken over?

 

 

and we need Name's of Company's doing a Great Job Australia Wide

[EunUCh]

We had a soda blaster do a bit of work on some brass work on an old steam engine,it is quite delicate and according to the bloke that did

it the main thing is that it is very alkaline and needs to be neutralized before you paint it.

It just about killed the grass in the area of the the steam engine.

[slar]

Heres a picture of my bonnet after sand blasting by a so called reputable company in Newcastle NSW.......... and No it wasnt Graham.

 

The bonnet looked fine in bare metal but once epoxied then a flat block lightly sanded over it.....it showed all the stretch marks and warpage.....if you look close at the shapes of the patches they match the under frame of the bonnet.

My boot lid turned out exactly the same.

 

So never again will I have any sheet panel sand blasted.....it peens and stretches sheet like crazy no matter how careful......this is why a blaster refuses to do the underside of bonnets and boot lids cause the areas not protected by the frame will stretch like buggery and leave huge bubble like stretches in the skin the same shape as the frame.

 

[slar]

True Bomber, the bonnet is now straight.....I hit it with a couple of coats of Upol Reface poly.... then primer filler.....that fixed her lol.