Do not caulk under the laps of the siding you want to allow for expansion and contraction of the siding.
How to paint vinyl siding trim.
Start by cleaning your siding of any mildew dirt or debris.
Work only in suitable weather.
Just be aware that the siding will be only as maintenance free as the paint itself.
Use a general purpose cleaner and make sure the surface is dry before applying paint or primer.
Pour a small amount into a hand held container.
Let the primer dry according to the manufacturer s.
Avoid hot humid or windy days.
Use a paintable acrylic caulk not silicone for aluminum or vinyl siding.
Open the latex paint and mix it well.
Paint the vinyl trim.
If the vinyl is peeling and cracked a primer should be applied first.
First and most important confirm that painting the siding won t void its warranty if the warranty is still active.
Prepare the vinyl surface by cleaning it thoroughly.
Be careful when smoothing the caulk with your finger especially on aluminum siding the edges can be very sharp.
Use a brush small trim paint roller or a paint sprayer if you prefer.
If using a pressure washer or hose do not force water behind the vinyl panels.
The good news is that you can paint vinyl siding.
Choose the proper paint latex urethane formulated for outdoor use.
Then you can apply the paint.
It is perfectly acceptable to use a paint sprayer to apply 100 acrylic paint.
Use the sprayer to coat the surface taking care to apply the paint evenly.
Primers for aluminum or vinyl siding.
Also there are some rules and limitations to follow when painting vinyl siding.