You need to scrape off peeling and flaking paint and then chisel out any old caulk lines and apply new ones.
Painting aluminum siding before and after.
Then paint with two coats of acrylic paint.
Painting aluminum outdoors in the summer is a challenge.
Paint apply the finish coatings.
I ended up timing my work to stay in the shade.
Prime the siding using a paint roller first coat the roller with primer.
Then roll along the panel of siding quickly but with even pressure to be followed by moving backward in the opposite direction.
There s still more preparation to address before painting aluminum siding.
Required tools for this how to paint aluminum siding project have the necessary tools for this diy project lined up before you start you ll save time and frustration.
The sun is bearing down on you and the siding and it is hot.
Some of my early work is a mess.
Most high quality paints will apply directly over aluminum siding without the need for a primer but make sure you read the manufacturer s recommendations on the can before you grab one off the shelf.
Then apply two coats of a 100 acrylic latex paint by whichever application method you prefer.
I learned this while working with the primer.
If you need to paint aluminum siding choose a day when the weather is at least 50 f 10 c and dry since moisture from rain or dew will ruin a new paint job.
The paint gets thick and hard to work very quickly.
How to paint aluminum siding in the shade.
2 to 4 hours per 100 square feet of siding before you paint aluminum siding clean the surface thoroughly and prime the siding with one coat of acrylic primer.
Aluminum siding is known for its durability and its low need for maintenance.
The siding could last indefinitely but it might not look good after being exposed to the elements for decades.