Originally Posted by
Todd Helme
I would say that in most cases BFWD will last between 3-6 months on most cars, even with less than ideal prep work. BFWD doesn`t `need` a stripped surface for great results, although some products may cause some interference, this hasn`t really been in this case in fairly exhaustive testing.
While we know the saying that environmental factors effect wax/sealant durability. Sun light, air pollution, humidity, etc, etc, etc, and this is very true. However the paint system itself can have a large role on durability as well.
How big? Several years ago, when I first started using BFWD, I applied to both of my cars, a black HHR and a Sonata. The prep was identical, both cars sat outside, and faced pretty much identical conditions. BFWD made it about 4 months on the HHR. However the Sonata, which had a reputation for having things last a long time, easily made it 7 months, every day, in the Florida sun.
An industry insider for a well respected brand once told me they aim for optimal performance on 80-85 percent of paint systems, understanding that because of the wide variety of systems used, nothing can work perfectly on everything. This accounts (I believe) why some people love certain products on their car and why other people love others. There are plenty of reviews of BFWD lasting a long time.
I also hate to use the lack of prep as a reason for failed durability (because the people on this forum are obviously very capable). Some products don`t play as nice with certain paint systems, and given BLACKFIRE`s obvious track record of work well on a wide range of paint systems (product reviews over the last 4 years) I tend to believe this was the case.
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