The thickness is .0255 Aluminum
We do not offer Black in this thickness. Only White which is Part # 26003 which is .0305 thick.
This is Store SKU #890097
I would suggest calling a seamless gutter person. 6" Gutter would be very large for a trailer. We can not recommend anyone but you could look up in your local directory.
You would use and inside corner or outside corner. this should be listed on The Home Depot site.
yes we do our item # is 47080. If you are shopping one of our retail stores that stock this gutter it would also be stocked in that store
These gutters have a paint finish on them. You will need only to install.
Yes we do. This would be what i would recommend. The information on our lock on gutter guard is below. It will fit a variety of sizes of K style gutter including the 6". Model # 6360 Internet #205207064 Store SKU #1001293165 Please let us know if there is anything else we can do for you.
This would be our professional grade which is .027"
Metal is .027"