boat t-top

[zkociolek]

large

Did anybody build boat t-top using anodized marine aluminum, I am looking for some advices.
I know they use 1 1/4 schedule 40 anodized aluminum pipe, they also paint the weld to match the color so it does not oxidize in salt water.
I do not know where to get pipe, I do not know how to clean anodization before tig weld itc.

thanks for any tips