Exposed floor joists can cause condensation on the inside of the ceiling peeling paint and nail rusting.
Attic walkway over insulation.
Place the first plywood sheet on top of the 2x structure starting by the attic entrance.
The attic walkway is constructed so that sits above the horizontal chords of your attic.
I would recommend fiberglass blown in insulation rather than cellulose because it is not conducive to insects.
Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and to prevent thermal bridging the heat loss that occurs through the wood framing.
In some houses this may be the case.
Walk to one end of the attic by carefully stepping only on the wooden ceiling joists.
The floor must extend beyond the insulation so that the insulation is properly covered.
This is because the horizontal chords are the strongest part of the attic.
You could also lightly spray for insects over fiberglass if needed.
If you displace insulation in order to move around in the attic don t forget to put it back as you leave.
Because of this the space is able to supporting heavy loads.
Ensure that the end of the first plywood sheet lands on a piece of 2x leaving enough room to position the.
If you can make the walkway 2 wide it most likely would not be necessary.
The trail you leave in the attic can easily end up tracing a path on the ceiling below.
Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in.
The blown in insulation can be blown right over the ductwork.
However if you need to make it narrower i would recommend standing some unfaced blanket insulation on end along the edges of the walkway to hold the loose.