Hawaii Administrative Rules
Title 3 - DEPARTMENT OF ACCOUNTING AND GENERAL SERVICES
Building Code Council
State Energy Conservation Code
Subchapter 2 - AMENDMENTS TO THE 2018 ICC INTERNATIONAL ENERGY CONSERVATION CODE
15 - Roof replacement

Universal Citation: HI Admin Rules 15

Current through August, 2024

IECC Section C503.3.1 is amended to read as follows (note that options are provided for this amendment):

C503.3.1 Roof replacement. Roof replacement shall comply with Section C402.1.3, C402.1.4, C402.1.5 or C407 where the existing roof assembly is part of the building thermal envelope and contains insulation entirely above the roof deck. Replacement of uninsulated roofs shall include either initial reflectance [GREATER THAN OR EQUAL TO] 85% and aged reflectance [GREATER THAN OR EQUAL TO] 75% 63% or at least two one of the following:

1. EnergyStar compliant covering

2. Radiant barrier, or

3. Attic ventilation via solar fan(s), ridge ventilation or gable vents

4. One or more exceptions in Section C402.3

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