The proposed amendment clarifies the treatment of attics and crawlspaces during testing and clarifies the calculation of essential parameters related to attics and crawlspaces. Preliminary Draft Standard PDS-01 of BSR/RESNET/ICC 380-2016 Addendum A-201x Comment on this draft Standard View comments on this draft Standard RESNET will accept public comments on draft addendum, PDS-01 of BSR/RESNET/ICC 380-2016 Addendum A-201x, Attics and Crawlspaces, beginning November 18, 2016. Comments will only be accepted on the changes to Standard ANSI/RESNET/ICC 380-2016, , indicated by strike/underline in the addendum. The public comment period will be open for 45 days from publishing of the notice in ANSI Standards Action, November 18, 2016, and close January 2, 2017.