Idaho H0643 amends building codes to require heat detection devices in attached garages and exempts certain multiple-family dwellings from fire.
Idaho H0643 amends existing law to mandate the installation of heat detection devices in attached garages for new single-family homes and multiple-family dwellings up to two units, provided the building permit is issued on or after July 1, 2026. These heat detection devices must be interconnected with the smoke alarm system of the home or dwelling unit. Additionally, the bill exempts certain multiple-family dwellings from the requirement of automatic fire sprinkler systems, provided specific conditions are met, such as the dwelling units being separated by a two-hour fire wall and not.
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