If the old paint is really caked onto the gutters you can use paint stripping.
Diy painting metal gutters.
Leave the gutters where they are only if you feel 100 comfortable and have performed a diy job before.
Work in sections painting the inside of the gutter as well as the outside.
A plastic putty knife is ideal as it will not scratch the.
Make sure your primer is ammonia free as a primer with ammonia could react with the aluminum causing gas bubbles to occur between the layers.
The key to a long lasting paint job is to prime the gutters before painting them.
After the primer has fully dried to create the ideal painting canvas grab the brush and stir the paint.
Stripping sanding and sealing 1.
Sand the gutters with a medium.
Use your putty knife and apply the asphalt flashing cement to the back of the piece you just cut or your patch.
If you have a gutter patch you can use it.
If you are not comfortable working on heights the best solution is to remove the gutter section by section and paint it on the safety of your grounds.
Use an oil based metal primer and apply it per the product s directions.
Apply paint stripping chemicals.
Apply gutter paint as an even layer of paint on the primed gutter.