(a) On or after March 25, 1982, if insulating material is installed in an existing building, in any of the applications specified in California Administrative Code, Title 24, Section 2-5305, the installing contractor shall certify that the amount of insulation installed meets or exceeds the requirements of Section 2-5305 for that application. Such certification shall be made on completion of the installation by posting in a conspicuous location a certificate signed under penalty of perjury. The certificate shall state the manufacturer's name and material identification, the thermal resistance (R-value) of the newly installed insulation, the estimated R-value of the original insulation, the total R-value, and (in application of loose fill insulation) the minimum contractor installed weight per square foot. This installed weight per square foot shall conform with the manufacturer's installed design density per square foot at the manufacturer's labeled R-value.(b) Water Heater Insulation Kits. No water heater insulation kit shall be sold, on or after March 25, 1982, unless it has a thermal resistance of at least R-6 and is so identified. Each water heater insulation kit sold shall include instructions which are equivalent to the Department of Energy standard practice for the installation of insulation on gas-fired, oil-fired, and electric resistance water heaters, 44 Fed. Reg. pages 64703-64705.
Cal. Code Regs. Tit. 20, § 1564
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
2. Editorial correction of subsection (a) filed 1-13-82 (Register 82, No. 2).
3. Change without regulatory effect amending NOTE filed 4-10-96 pursuant to section 100, title 1, California Code of Regulations (Register 96, No. 15). Note: Authority cited: Section 25910, Public Resources Code. Reference: Section 25910, Public Resources Code.
1. Amendment filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).
2. Editorial correction of subsection (a) filed 1-13-82 (Register 82, No. 2).
3. Change without regulatory effect amending Note filed 4-10-96 pursuant to section 100, title 1, California Code of Regulations (Register 96, No. 15).