At first I thought we'd save the time and primer by just priming the parts that had bare wood, which was about one third of the surface area. The rest was painted already since we reused wood from the old shed. But then I feared that I'd encounter problems putting on the final colors. Trying to get even coverage over those two disparate tones didn't seem like a good plan, so I went ahead and primed the whole thing, only doing a light spay over the old painted parts.
I have a love/hate relationship with our paint sprayer. I love it because it was cheap, I hate it because it's cheap! Actually, it's ok. It has served us well, but there are drawbacks--the gun doesn't swivel so I end up wrangling with the hose a lot trying to get the right position from which to spray. And it's a pain to clean and keep the spray nozzle clear of hardened paint bits. But it makes up for these shortcomings by maximizing time and effort, especially in the under roof areas that would be laborious and time-consuming to paint with a brush and roller.
This is our paint sprayer. Costco purchase with a coupon. It's airless so the motor only kicks in when you are spraying. Also, it's not very loud. There is only one spray nozzle though and you can't vary the width of coverage.
Done with the top layer of Green Grove. The bottom layer was sprayed with a color called Loam (seen in the next pic). This type of siding (known as T1-11) presents problems when using a sprayer. It has a very rough texture which means I had to hit it twice as many times as the pre-painted areas, especially when those two differently textured surfaces are side-by-side. Also, it's hard to get the paint sprayed into the grooves at the same coverage rate as the flat surfaces which means going in afterwards with a brush and just jamming the paint in there. Finally, I had to ease up on my distance and spray strength when I came close to the smooth-surfaced trim, otherwise it would glob on whereas on the heavily textured surface of the siding, that wasn't a concern.
Here is the outside finished. I don't know why I didn't just prime over the orange. The doors will ultimately be some shade of orange so I guess I thought there was no need.
There I am spray painting the first coat for the interior. The paint droplets look like snow in the blast of camera flash.
For the interior paint, we headed over to Community Work Day to see what they had in the way of free paint. They accept unopened and opened containers of paint and offer them to anyone in the community who can make use of it. We picked up two slightly-less-than-five-gallon buckets of white and mixed them together. It resulted in an off-white, vanilla color. No primer for the inside, just two coats of the free stuff.