If the siding was not sealed with a glossy.
Painting over stained siding.
You can paint over stained siding if the stain is latex.
The key to painting aluminum siding is to get it.
However for the best results you should use the primer or oil bond method to clean the area you want to paint using a rag.
This process prepares the surface for maximum adhesion.
Paint or stain dimensional cedar wood siding having cedar lumber wood siding such as 1 x 6 1 x 8 1 x 12 or two inch thickness can be painted with a solid paint stain not requiring primer but still not recommended painting cedar if you can help it.
You can paint it.
If your aluminum siding has developed a chalky residue or is faded stained or just plain the wrong color fear not.
Then dip a rang.
I applied a pigmented stain to my house for years.
Yes you can paint over stained wood without sanding as paint can adhere to stain.
Cedar contains extractives that can discolor paint so it is necessary to prime the siding prior to painting it.
After it was well worn.
If it is an oil stain i would check with the manufacturer first.
How to paint over non oil based stain on cedar siding preparation.
Here s how to prepare the surface and choose your paint.
Next to dull the stain lightly sand the surface with 150 grit or finer sandpaper moving in the direction of the grain.
Then apply a layer of oil bond on to the cleaned surface.
The most important part to painting cedar siding is preparation.
First clean the stained surface with soapy water to remove any dust dirt and cobwebs.
Wipe off any excess paint around the paint cans using a clean rag before storing.
Use paint thinner to clean off brushes used for oil based paints.
Most power washers have a detergent feed feature allowing you to apply detergent and then blast it off with high pressure water.