Hi everyone... I just wanted to update you all and give everyone a big Thank You for your suggestions on this home office build. I should be about a week away from completion (finger's crossed) but this thing is a beast!
After taking all of your suggestions, and those from Ted (who was very helpful)... I decided to go with 2" x 8" staggered stud walls with insulation in both sets of 2 x 4's. One sheet of OSB on the outside, with one sheet of OSB plus a sheet of 5/8" sheetrock on the inside. What we did for the roof (and there was some give and take with the contractor who is new to this) was to do a similar staggered stud ceiling (the flat section), stuff it with two sets of insulation and then put the roof joists on top of the ceiling, cover it with OSB (obviously) and then stuff the inside with as much insulation as we could stuff in there.
Oh, and the floor is concrete with 8 inch thick walls that come up about 15 inches on the inside.
Every seam has been caulked and so have the electrical boxes and the sheetrock has mud and tape on it.
Now, we just need to put in the soffit (Come on, if anyone needs a soffit, it me) for the black lights and LED rope lights, plus can lights. That should happen on Monday, then we will hang the solid, fiberglass, external door on it, then he'll texture and leave it for me to paint. Oh, and we need to put in a dead vent on the outside before he throws up concrete siding.
I didn't go all out with the clips and double outside walls, or green glue because, though I have noise here (and Dennis, you are correct... we are directly under a flight path).... what I have now should keep out all of the noise that I need kept out. I just need to put up an electric fence to keep the kids (and wife) out so that I can work... and answer emails, which I am months behind on.
Anyway, I have already tested the room out a little. I've had the kids go around the back of the building and yell at me, and I have at them. The only thing that we can hear is the sound that is leaving the door opening in the front and going around. So, for what I need, this is perfect. Actually, more than perfect. I appreciate everyones help!!!!!