2021 International Residential Code for 1 & 2 Family Dwellings, Tabbed & Highlighted | EXAMPREP.ORG

2021 International Residential Code for 1 & 2 Family Dwellings, Tabbed & Highlighted

This comprehensive code comprises all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories. The 2021 IRCĀ® contains many important changes such as:



  • Braced wall lines must be placed on a physical wall or placed between multiple walls.

  • The rated separation for two-family dwellings is 1 hour whether or not a lot line exists between units.

  • Emergency escape and rescue openings require a clear 36-inch-wide path to a public way.

  • An engineered design is required for storm shelters.

  • A habitable attic is limited to one-half the area of the story below and the dwelling requires sprinklers.

  • Updated Wind Speed maps match IBC and ASCE 7 maps.

  • Deck design now considers snow load, tributary area for footing and post height, and guard details.

  • Specific requirements for deck guardrails were added.

  • Component and cladding wind pressures in Table R301.2(2) are updated for new design wind speeds and hip or gable roof profiles.

  • Minimum footing size tables are revised to more accurately reflect current practice…….and more

$166.00

SKU: b2101615597 Category: