My attic is well-insulated with fiberglass insulation strips laid between the joists, silver thermal wrap stretched across the joists, and 18-20 inches of blown insulation on top.
But as I conclusively demonstrated yesterday, there is no flooring to prevent me from plunging through the ceiling and into the room below.
What is the best way add flooring to the attic without compromising the insulation factor? There is too much blown insulation for me to simply compress it all under plywood. Should I add plywood to the existing joists and leave the blown insulation on top?
Two slight complicating factors: my only attic access is through a standard pull-down ladder, so I can't fit whole sheets of plywood. Also, I have an A/C unit (no heat) in the attic that sprawls extensively across the floor. I can work around that, but it makes access more difficult.