spiral staircase for loft

diymirage said
i figured i would build a frame out of 2X4s and lagbolt it onto the studs in the wall which allready exist
this would act as the support for two sides, then the stairs would support the other corner

i would then run 4X8 sheets of plywood in the opposite direction, over the new frame and existing "floor" to spread the load

because of the pitch of the roof, the headroom nearest the stairs will be the highest, and as you move towards the wall, it decreases, which will force the kids the hang out more in the area near the stairs

got any pictures of these?

Not of mine, but if you click on the link it may help.
The support post is 3 1/2 sch 40 pipe
The collars that slide over and hold the step frames are 4" sch 40 pipe.
I used 1/12 x3/16 angle for the step frames and the landing top.
You can then use wood, metal, whatever you prefer for the treads and landing cover.
I prefer wood. Railings are an easy fab. Once you have the stairs up and positioned.

http://www.google.com/search?q=spiral+staircase+pictures&ie=UTF-8&oe=UTF-8&hl=en&client=safari

Not of mine but if you look here you see how they are constructed.
The main support pole is 3 1/2 sch 40 pipe. The support col