In article ,
Jim Elbrecht wrote:

Aaron Fude wrote:

Hi,

I have installed new copper pipes between the basement ceiling joists. I
do not intend to drop a ceiling and cover up the joists.

Is there a good way of preventing the shiny copper pipes from fading?
How about spraying them with exterior poly? Would that hold up to the
heat of the hot pipes?

We didn't have poly, but in the Marine Barracks we used lacquer to
'cheat' on keeping copper pipes bright.

Jim

We used to make brass weights for triple beam balances. We sprayed 'em
with polyurethane to keep them shiny. Brass is an alloy of copper and
metal du jour, so it ought to work on pure copper.