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Posted on: January 27, 2021

Building Code Changes for February 1st

Code Changes-01

Energy Code Changes

    New Credit Table with increased efficiencies required

    Fuel normalization credits based on chosen options

    Credits for Energy Star appliance packages

    New volume calculations for blower door testing

    New buried duct details

    Continuous pilot light no longer permitted and minimum efficiencies for gas fireplaces required

    Energy Star requirements for primary thermostat

    High efficacy lamps now required at 90%


International Residential Code Changes

    Heat detector required in attached residential garage

    Fire separation methods of IBC are available in IRC

    Overhang fire separation has been changed to require 5’ non-combustible construction on either side of the lot line

    Photovoltaic installation requirements have been amended to require access and pathways

    Mezzanine allowance increased to ½ of floor area below

    Habitable attics are now considered a floor above grade

    State amendment to include sleeping lofts

    Amended footing sizing chart has been expanded

    All deck materials must be preservative treated or naturally durable

    Maximum deck post height has been amended

    Lateral support for headers has been modified

    Accessory structures require moisture barrier on exterior of sheathing


Questions on these code changes can be emailed to Community Planning

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