How much Carnauba?

Tommy W.

New member
How many layers of carnauba can you apply before you have diminishing returns?



As in how many layers before you're wasting your time?



I'm doing my black 911 and God, that Nattys over z-5 pro is nuts!!



TW
 
This topic is widely debated on many detailing forums - it will depend on the wax that you are using partly, but I would personally not go for anything more than three layers in succession (applied 24hrs apart). You can, with most waxes, put on as many layers as you like but as you say there comes a point where you are simply wasting your time in doing so... what I would personally do is when you come to doing a new layer, wax just one panel and compare with an unwaxed panel to see if you can see a difference - if so, do the whole car and if not, stop.
 
Some people say a couple, some say as much as you want. I know some guys with show cars who will use something along the lines of Souveran, or Natty's Blue and put 10+ layers on and it looks incredibly deep and wet. So I guess it depends. Somebody on here posted a pic I think of an S2000 that had like 6 or 7 layers of some Zymol wax and it too looked incredible for silver.



Generally I would say 2-3 layers, but I guess if you have a nice dark color some waxes like Souveran will keep improving on the looks with more layers. Personally I only do about 2 layers of a wax on our cars so.....
 
Generally speaking, I have found that the more layers applied and cured properly will yeild a deeper reflective finish if you can manage to keep the paint surface clean from contaminants.



It makes better sense to apply it with moderation, because wax has to be stripped clean after awhile, and the paint surface should be prepped with a polish in order to maintain and care for its conditioning. Paint cleaning/prepping should be done once a year; some people polish prep two times a year. You can definitely survive by polishing once a year and then layering with as much wax as the weather permits until its time to re-clean.
 
I played a bit with #16 last week. I could tell about a difference up to about 3 layers. Then I tried the spit shine method and it got a bit better for maybe 3 or 4? and it got no better after that.
 
yakky brought up a good point with the spit-shining. Between all the different waxes on the market and all the variables related to their application, this one isn't something that's all *that* cut-and-dried.



But generally, if you want to apply multiple coats...uhm, make that "multiple applications" ;) of wax back-to-back, IMO you oughta spit-shine them.
 
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