I have been slow getting you photos of my Defender shelter/safe room self-install. Assembled inside our master bedroom, (in the air conditioning!) I completed the install by myself. I am a firm believer in the drywall lift concept!
Two other self assembly tips: When using the drywall lift, use large screwdrivers to "lock" one side to the room and lower top to the correct position on the other side (screwdrivers visible in first picture, top left). It's hard to self-assemble the corner carriage bolts because you can't hold the bolt while inside starting the nut. That's what duct tape was made for... small reusable piece holding the head of the bolt while you are inside starting the nut.
Thanks for a great product.