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§ 5E-2-1 H AWAI‘I C OUNTY C ODE <br />i.Unvented Attic Spaces. The atticspaceshallbe permitted to be unvented when <br />the design professional determines it would be beneficial to eliminate ventilation <br />openings to reduce salt-laden air and maintain relative humidity 60 percent or <br />lower to: <br />(1) Avoid corrosion to steel components, <br />(2) Avoid moisture condensation in the attic space, or <br />(3) Minimize energy consumption for air conditioning or ventilation by <br />maintaining satisfactory space conditions in both the attic and occupied <br />space below.” <br />(45)A new section R407 is added to the International Energy Conservation Code to <br />read as follows: <br />“SECTION R407 <br />POINTS OPTION <br />R407.1 General (Prescriptive). Above-grade walls and roofs are <br />permitted to comply with the points option as an alternative to <br />complying with Sections R401.2.1, R402.1.2 and R402.2. <br />R407.2 Requirements. One or more efficiency measures shall be <br />selected for roof and above-grade wall systems from Table R407.1 that <br />cumulatively equal or exceed 0 (zero) points. As an alternative, above- <br />grade walls and roofs are permitted to comply separately by scoring 0 <br />(zero) or greater. <br />TABLE R407.1 <br />POINTS OPTION <br />Standard Tropical <br />Home Home <br /> <br />Points Points <br />Wood Framed <br />R-19 Roof Insulation-10 <br />R-19 Roof Insulation + Cool roof <br />0 1 <br />ac <br />membrane or RadiantBarrier <br />Roof Insulation <br />(Must choose 1) R-19 Roof Insulation + Attic <br />0 1 <br />b <br />Venting <br />R-30 Roof Insulation 0 1 <br />R-13 Cavity Wall Insulation 0 1 <br />R-13 Wall Insulation + high <br />1 2 <br />d <br />reflectance walls <br />Wall Insulation <br />R-13 Wall Insulation + 90% high <br />(Must choose 1) efficacy lighting and Energy Star 1 2 <br />e <br />Appliances <br />R-13 Wall Insulation + exterior <br />1 2 <br />f <br />shading wpf=0.3 <br />SUPP. 9 (1-2021) <br /> <br />5E-26 <br /> <br />