GroundRules
BPC § 19020
Where this section sits in the code
- Business and Professions Code - BPC
- DIVISION 8. SPECIAL BUSINESS REGULATIONS [18400. - 22949.92.2.]
- CHAPTER 3. Home Furnishings [19000. - 19221.]
- ARTICLE 1. General Provisions [19000. - 19022.]
“R-value” means a measure of thermal resistance of material or composite materials. “R-value” is equal to the reciprocal of the conductance of a given material, or
R-value = 1
conductance of the material
where the conductance of the material is: Btu (hour × square foot × Fahrenheit degree average temperature difference between two surfaces).
Collected 2026-09-14T05:56:33Z. Source file · JSON