If possible apply coating to gutters before installation.
How to paint gutters to look like copper.
Unless you pay to have a true faux finish applied painting them a single color will never look like aged copper.
Just wipe any loose dust or debris from the surface.
Oct 29 2015 copper is a prized and very expensive building material.
Sanding will create a smooth surface and help the new paint to adhere better to the gutters.
If you have any questions let me know in the comments.
Work the gutters over lightly with the sandpaper to remove rough patches and get rid of any remaining old paint.
One option is to buy a can of spray paint in copper and paint them yourself just be certain you buy a good quality paint and test the color on an inconspicuous spot as the color can oxidize somewhat and change.
Mix the copper surfacer well to ensure that the metal particles are evenly distributed.
However you can get the same look on.
Stir copper paint in the pail and apply by brush.
Using copper dark brown and a tealspray paint as well as sand paper you can achieve a similar look to that of aged copper for a fraction of the cost.
Installing copper rain gutters on your home might not be a practical option.
I ve done exterior faux finish work that has held up over time but nothing exposed to the elements like gutters and down spouts.
Repeat until the surface has an even coverage of copper.
Almost any gutter no matter how cheap from home depot or lowes can be coated with copper paint.
I love my copper gutters and instead of spray paint save your money and use the liquid version and you can have mock copper gutters just like those fancy 30 per foot ones.
Paint them to blend in.
Also make sure the primer you are choosing is suitable for outdoor use.
To save time use a palm sander instead of a sanding block.
Use metal primer in order to get the paint to stick you need to use a 2 part metal primer the first part will bond to the copper gutters and the second part will bind to the primer.