Insulated Attic Walkway

This is because the horizontal chords are the strongest part of the attic.

Insulated attic walkway.

If conditioned air is seeping into the attic in winter it can condense it s moisture out in the cooler layers of the insulation sometimes to the point of dripping through onto the ceiling but it also increases the moisture content of the wood in the attic. Attic hatch or door. The blown in insulation can be blown right over the ductwork. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

I would recommend fiberglass blown in insulation rather than cellulose because it is not conducive to insects. You could also lightly spray for insects over fiberglass if needed. The insulation is 12 15 deep. I would think this could be a hazard as you would disturb the insulation might miss a step and fall through the sheetrock or trip over a hidden.

If you need a second layer of batting insulation lay it perpendicular to the first layer. Because of this the space is able to supporting heavy loads. If you find leaks seal with an appropriate foam. The attic walkway is constructed so that sits above the horizontal chords of your attic.

The only means of traversing the attic is by walking the joists. Do you just wade through the insulation on your inspection. If you can make the walkway 2 wide it most likely would not be necessary. 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.

Insure there are no air leaks around plumbing vents electrical wiring or in corners. Affix rigid foam insulation to the attic side of the hatch or door. With any attic insulation project an all important first step is to air seal the ceiling plane below at every electrical plumbing flue and duct penetration. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Pull down stair or ladder.