Says the guy who has been experimenting with less prep...
Less prep with manufacturer/brand approved materials (ie primer polish) falls into the "work smarter, not harder" category.... as I mentioned previously in this thread, the dealership guys I had talked to explained that cars being coated with the Simoniz treatment were simply washed and then coated, and sometimes even waxed prior to coating. This to me is non-existent prep that I was eluding to.
I have done experiments on personal cars applying a coating immediately on top of a traditional polish (M205) just for my own knowledge, and did not witness any difference in performance over approximately 12 month period, however this is certainly not something we ever take the risk on with customer vehicles... manufacturer's directions are always followed, and we do not coat a vehicle without cleaning, decontamination, machine polishing, and solvent wipe (unless using a primer polish).
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Simoniz GlassCoat is probably a decent product when used properly, but we all know that dealerships just see Simoniz as a warranty program... it doesn't really matter to the dealership if it was applied properly, or even at all... they just hope the customers never come back (and most won't).
On the Simoniz training video on their website, it does specifically state that vehicles should be washed and clayed, and even mentions that if vehicles require reconditioning, that it should be done prior to coating... the interesting thing is that it says to apply glass coat prior to the final polish. That makes no sense. It also says that applying glass coat will remove all waxes, which is not usual when we have all been trained to be absolutely sure the surface is 100% free of any residual waxes, sealants, or polishing oils. They also recommend waxing the vehicle regularly (every 3 months) after the coating has been applied.
Does anyone have personal experience using Simoniz on here? With long term testing/conclusions? I obviously have no personal experience using the coating, just experience seeing many vehicles that have had the treatment done and look awful in a relatively short amount of time.