Strip and sand them so they are ready to be painted.
Painted gutters before and after.
Use a cleaning solvent to help remove some of the long standing dirt stains that have been on your gutters for years.
If you get some rain or even a storm before the new gutters go up that s no big deal.
Painting your gutters is a pretty straightforward task you can do yourself provided you have the right tools and take your time.
If there is paint already on your gutters you need to remove it first before painting.
It s constant runoff from your roof that would eventually cause problems.
Pressure working will not work before applying the primer as it only removes some of the grim and you will end up painting on the top of it.
Pull the gutters down and paint when the forecast looks nice.
Look for signs of rust on the gutters.
When houses are built the painter has an opportunity to spray the underside of the eves and trim color the fascia prior to the roofing installed.
Before getting started painting your exterior calling a painting contractor or replacing gutters you need to think what color scheme you would like.
The only difference from what everyone else said is that especially if you have gutters remove the gutters and paint the fascia first.
Start by washing the gutters so they are free of dirt and debris.
Preparing your gutters for painting.
After the gutters and downspouts are dry they still may be chalky.
The result will be to paint the gutter unevenly while it will start to peel off after some time.
We are not just talking about getting the leaves out of them.
Clean your gutters first.
Before exterior painting or replacing gutters.
This past summer i spent a lot of time thinking about gutters.
Then prime the gutters and apply a top coat so they appear smooth clean and nicely painted.
Then have the roofing installed.
After this gutter cleaning process your gutters should look good.
To answer your questions more specifically.
You will need to use soap and water to get your gutters spotless.
If you have vinyl gutters instead of aluminum ones use a detergent product like dawn.
You will also need to do gutter cleaning if you want to paint to bond properly to the aluminum.
The chalk is simply pigment particles at the surface of the original paint that has been loosened by the harsh ultraviolet uv rays of the sun.
But if you are having your house painted gutters and downspouts can be high on your list of questions and this year it seemed every project i was involved with had some issue regarding them.
Mix it with half a cup of bleach in two gallons of water and use the mixture to scrub your gutters clean.
There are probably a lot more interesting things to be thinking about.
If the gutters are not clean before you paint them the paint will not stick.