US lawCaliforniaStatutesCode hscDivision 8Part 5Chapter 5Article 29636Cal. HSC § 9636Cal. HSC § 9636Last amended: 1993Year: 2025Length: 25 wordsOfficial source All marble floors shall be constructed on a bed of mortar or mastic placed on the floor subslab, with an approved additive to retard efflorescence.PreviousCal. HSC § 9635NextCal. HSC § 9637