I’ve done some testing on 12 different SiO2 toppers and my question for everyone is when do you say a product is dead or ready for reapplication? Is it when beading deteriorates where water runs instead of beads or is it when the beads are not tight? Or maybe when the gloss deteriorates? Other?
Can't say for certain if the product is 'dead' or merely covered up by the rigors of daily use, but I'd generally say 'something' needs to be done when the paint is not exhibiting normal characteristics, or what I've come to be used to as normal.
Hopped in wife's car today, about a 45 minute freeway drive in rain. Car had excellent beading when I first got in but as soon as we hit freeway, beads/water were not running off hood in the same manner as they usually do. I suspect the entire vehicle is grimed-out as windshield was not displaying decent water behavior either and its coated with something, H2GO I believe.
Car has been sitting outside without being washed in about a 1 1/2 months (hey, I've been busy!); rain, leaves, blowing dirt...point being if I washed it, the normally great water behavior will likely return...it always has. When the topper is truly dead, it won't be the beading that tells me, it'll be how water is behaving on the hood while under way immediately after a wash.
Second question: Why use a topper over a coating? To save the coating? To protect the coating from waterspots? To add gloss? Can’t keep your hands off of your car? Other?
I'll use a booster for a variety of reasons:
1. I'm a sheep and thusly cannot think on my own but rather follow the directions of the 'shepherd', in this case the coating mfg who recommends doing so..."Bleet, bleet...I am a marketers dream!"
2. I'm lazy. My favorite booster works very well as a drying aid and it makes drying easier and quicker, and adds some 'protection' to boot. What is it protecting? Heck, I dunno...perhaps the "Maybe it doesnt really help but certainly can't hurt" philosophy is in play here.
3. Who am I kidding; what am I supposed to do after a wash? I know I, like many others, toss about 'longevity' as a key attribute for any LSP-ish product when, in my case, I can't make it more than 1 or 2 washes without rubbing something into the paint. Whether it does actually improve gloss, or any other pleasing characteristic is pretty irrelevant because I *think* it does.
I think these are valid questions and until we can set values and reasons it is near impossible to have a meaningful discussion on SiO2 toppers. It’s kind of like saying Product X lasts 6 months only to see an asterisk next to it that says “only if vehicles is stored indoors”.
I could be digging too deep but we all want to know which product will last the longest or have the most gloss. We can’t depend on manufacturers claims as they are in it for dollars and I don’t think Consumer Reports loves us. Lol.
I think a true evaluation of the absolute NEED for products like this may be best left to the pros; not because they are experts but perhaps they have a structure in place that is more conducive to letting things run their full course. For myself, I'm just too curious to leave well enough alone for a long period of time on my personal cars.
However, on the fleet vehicles I've coated at work that get done and then remain untouched for 6-7 months, 15-20k miles...well a bit different story emerges. I judge those by how clean they look consistently and the quality coatings DO maintain that without the use of boosters past the initial application. But then what is that telling me? Is it telling me the coating itself maintained that look it is it telling me the topper I applied initially actually lasted 6 to 7 months. I suspect the former but suppose the latter could be true as well.
Crap, I just typed myself either in a circle or into a corner...dunno which. Can I sum it up with "I dunno, I just do it for fun"?