An attic hatch cover of wood or drywall should be insulated in a lightweight frame, not simply by stapling on some twine. The reliefs in this frame permit lacing, and offer finger holds for lifting. Insulation here is high-density R15, in three layers, the bottom having a full-area vapor barrier. A single high-density R38 batt would also do the job.
This is free sharing of discoveries in matters of methods, materials and policies for energy conservation in our homes. Discoveries are mainly in work I do with business Phillip Norman Attic Access, in metro Portland, Oregon. Please see my web site for this work, with my contact information: https://sites.google.com/site/phillipnormanatticaccess/ I am Phillip Norman , 1-503-255-4350. Upon request I will email a printable pdf of any post, with translation and size as you wish.
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