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.
Also there are some rules and limitations to follow when painting vinyl siding.
Open the latex paint and mix it well.
Let the primer dry according to the manufacturer s.
It is perfectly acceptable to use a paint sprayer to apply 100 acrylic paint.
Prepare the vinyl surface by cleaning it thoroughly.
You can scrub it with a wire brush or use a power washer to make the job easier.
Be careful when smoothing the caulk with your finger especially on aluminum siding the edges can be very sharp.
If using a pressure washer or hose do not force water behind the vinyl panels.
Use the sprayer to coat the surface taking care to apply the paint evenly.
Use a paintable acrylic caulk not silicone for aluminum or vinyl siding.
Just be aware that the siding will be only as maintenance free as the paint itself.
Avoid hot humid or windy days.
Begin painting the vinyl trim at the highest point starting at one end and working your way across in long even strokes.
Then you can apply the paint.
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.
Apply a smooth even coat of a latex exterior primer onto the vinyl trim.
Use a general purpose cleaner and make sure the surface is dry before applying paint or primer.
Primers for aluminum or vinyl siding.
Choose the proper paint latex urethane formulated for outdoor use.
Work only in suitable weather.
Pour a small amount into a hand held container.