I just replaced the front porch railing on the house. It's pressure treated. total of 6 4x4's and railings. Now to paint it. Question is: What product? I've heard that using a fence stain works better than paint since it expands and contracts with the wood better than paint, but I've never seen deck/fence stain that is as bright white as I'd like it to look.
. The trim on the porch on our last house was not pt'd and the bottoms dissolved from rot pretty quickly. On the trim subject, Azek is plastic that can be cut like wood, pretty much. Last time I went to HD, it was a chore just to get some decent looking wood. Synthetic building products are an answer, I guess.