Wurth SKS Coverage

[drcoastline]

I was going to post this on one of the existing Wurth threads but thought it may not get much attention.

Does anybody know the approximate coverage from a container of SKS/Underbody seal? I am trying to estimate how much to purchase. For those that have sprayed the SKS/underbody seal how much was required per wheel well or say a gas tank? This will help me estimate how much I am going need.

From what I read of the descriptions on the Wurth site the SKS and underbody seal are designed to do the same job. The descriptions are very similar, the main difference is one is petroleum based and one is water based? I read a few posts where one application of the petroleum based product had issues with reaching full cure due to underlying chemicals preventing thorough cure. There was also a post regarding the water based product coming off in the rain ( I assume this was due to driving in the rain before full cure). Any put from those that have used either or both?

Thanks in advance.