If the old paint is really caked onto the gutters you can use paint stripping.
How to paint inside of gutters.
Next i used a wire brush and scraper on the inside of the gutter to remove any loose paint and rust.
Sand the gutters with a medium.
Paint the inside of all the gutters with two coats of this sealer and the chance of rust will be greatly reduced.
Stripping sanding and sealing 1.
For the best possible paint job it s wise to apply a corrosion resistant metal primer to galvanized gutters and downspouts but if no rust was found a primer isn t absolutely necessary if you are applying 100 acrylic latex paint.
You can utilize any brush you want so long as it is providing the results you want.
Now that your gutters are prepped paint them.
Wash the gutters with stain solver oxygen bleach first to remove diesel soot.
When you want to repaint your gutters you will need to do some extra preparatory work.
Apply an even coat to the entire surface inside and out.
The heated paint easily scraped off leaving the bare metal.
Scrape off all loose flaking and peeling paint.
Make sure no spot is left unpainted and make sure it has a nice even coat.
Apply paint stripping chemicals.
After priming i used two coats of the semigloss latex paint i used on the house figure a.
A plastic putty knife is ideal as it will not scratch the.
Speak to your local paint shop manager and buy the best paint available for the job.
A very good paint to use on the inside of the gutters is the roof sealer one can buy from any paint shop that one usually uses with a membrane to seal the tops of roofs and parapet walls.
Strip off the old paint with a plastic putty knife.