The production of any plastic is toxic. Once the material is created it is neutral in its manufactured form. Should there be a fire, toxins will be released.
Alcoa vinyl siding is both durable and affordable while providing a moisture barrier to your home. You can locate information on alcoa vinyl siding at http://www.vinylsidingoptions.com/vinyl-siding-manufacturers/alcoa-vinyl-siding/
There the same thing. Vinyl siding is a PVC plastic resin siding.
form_title= Vinyl Siding form_header= Protect your home with vinyl siding! Do you want horizontal or vertical siding?*= () Horizontal () Vertical Do you currently have vinyl siding?*= () Yes () No What color do you want the siding?*= _ 
what widths does vinyl siding come in
is vinyl siding can be fastened directly into studs?
form_title= Vinyl Siding Colors form_header= Install vinyl siding on your home. Do you need to remove old siding?*= () Yes () No What color do you want the siding?*= _  What is your budget for siding?*= _ 
Factory finish is the finish, or "outer coat of the vinyl siding", that comes on the vinyl siding when you purchase it. It can come in many shades of color and textures.
One thing you should know is that at this point there is not one paint company that guarantees their paint staying on vinyl siding. Generally if the vinyl siding is looking dingy you can get a power washer and clean them off to look basically new again. If you would like to learn the best way to paint on vinyl siding I would check out http://www.vinylsidingoptions.com/vinyl-siding-maintenance/painting-vinyl-siding/
You can buy colored vinyl siding usually at the same place where you get the regular normal siding. Or Lowes and Home Depot where they also sell siding.
A rather high reputed vinyl siding company is the Vinyl Siding Institute. They have been complimented and reported on in magazines such as "GreenBuilder" and "Home Energy".
There are a wide array of colors to choose from when looking for vinyl siding. If you know the manufacturer of your siding then perhaps you can contact them to identify your siding color.