>The other stuff is bright white, and is much thinner.  Its a lot more 
>manueverable into tight areas, but the jury (me) is still out on how effective
>it it.  I bought it by mistake - I'd intended to get the tan stufff...

I've used this "bright white" stuff before.Very good stuff! I think the
name is 3m Brushable seam sealer,it's real workable for the hard to get
spots and as Thom mentioned of the tan- nothing gets thru this stuff
either!

R.J.