Thanks for your comments guys, was a solid four days of work for sure! It certainly is a great place to store the gear and it is wicked to just roll the roof off and on and not have to pack up all the cables and stuff.
We did find some carpet, but it was too pink for the obs, so we will put it in the daughter's room and I will have the tile squares that come out of there. Done deal with SWMBO.
I have uploaded some pictures of the roll off roof that I hope explains it a bit for those that are interested.
http://www.pbase.com/grahammeyer/roll_off_roof
The rollers used are very similar to the ones pictured, however; only use a two wheel set up not four. Basically, the top rails on each roof supporting side are 6m long and do the job of roller rails and joiners to the two upright poles. The rollers slip inside of them and the roof movement is limited by two stoppers on one end of the roof. A very eloquent and simple approach.
