Painting Pressure Treated Lumber

use solid stain

You can paint it but it has to be bone dry. Most of the time when you buy pressure treated lumber it is still wet from the treatment process.

Plywood will be more stable as it dries since it is put together cross grained in the layers used as opposed to raw lumber that shrinks as it dries and often shows gaps.

After it is dried, use a good oil base primer then sand the surface smooth, then topcoat with a couple coats of whatever paint you desire, just use good paint.

I prefer Sherwin Williams Exterior Eggshell Latex. It offers a bit of a sheen making cleaning easier and your equipment cleans up with just soap and water.

The downside of solid stain is the carpenter bees, I think they will still drill into it, paint stops that. A common wood for fascia is redwood. Wood for fascia has a routed grove to hold the plywood.

I bought some Bifen to treat for mosquitoes in the yard, as a bonus it also helps with termites and carpenter bees. Every time I spray the yard, I start with the underside of the deck, the posts, and hit the stairs and deck boards with it.

If it is dry (of chemical not water) it will hold paint. I usually wait about a year to paint it.

You can't paint it when it is wet. You generally have to wait for it to dry out for 3-6 months.

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The downside of solid stain is the carpenter bees, I think they will still drill into it, paint stops that. A common wood for fascia is redwood. Wood for fascia has a routed grove to hold the plywood.

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Paint hasn’t stopped them on my house.

I have started this replacement, and to my surprise, the fascia on my house looks like it is made of particle board! Is this normal practice, or didI just ger a cheap assed builder?