TopCoat is the manufacturer of the F11 line of products and is based in America. The brand has put a lot of focus on the creation of a high performing sealant, which is available as a kit or sold seperately.
TopCoat currently offers mainly 1 product: The F11 sealant. This is sold as a kit, but the contents of that kit can also be purchased separately. The F11 sealants offer a protection between 3 to 6 months, as the website explains the longevity depends on several different factors.
TopCoat has its own company website and is located in America. The brand is moderately active on social media and is very sparingly mentioned by customers in detailing related fora and/or message boards. The company sells the product via their own shop.