Building codes have come a long way since the simple ideas of crawlspace ventilation and “warm-in-winter side” vapor retarders. Previous attempts to block water vapor have proven ineffective, so new strategies to work with it have emerged. The 2021 International Residential Code recognizes the vapor permeability of materials, the use of insulation to control surfaces temperatures, and the benefits of unventilated spaces. Learn to trust the modern IRC and the science behind its vapor management provisions with Glenn Mathewson, creator of BuildingCodeCollege.com. Mathewson is the International Code Council's 2021 Educator of the Year and was active in the development of the 2015 and 2021 IRC, representing the decking industry. This upcoming live webinar will include a 60-minute presentation followed by a 30-minute Q&A. Webinar attendees will be able to claim 1 AIA Learning Unit (1LU) Elective Credit upon completion.
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