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2009 IECC Section 402.2.3 and 2009 IRC Section N1102.2.3 reads: "Access hatches and doors. Access doors from conditioned spaces to unconditioned spaces (e.g., attics and crawl spaces) shall be weatherstripped and insulated to a level equivalent to the insulation on the surrounding surfaces."
R-30+ is required! Battic Door makes an R-50 Kit to insulate attic stairs that meets all Code requirements.
yearonechevelle 10 months ago
Thanks for this - I'm making an animated 3D model of some attic stairs so wanted to get some references for how the work and the animations.
ShroudedFury 2 years ago
Wow, my old attic ladder is really hard to open. This looks really easy.
JimmyBgoodU 2 years ago