The recommended thickness for hotel room walls varies depending on several factors, including the desired level of soundproofing, building codes, and structural considerations. In general, a minimum thickness of 4 inches (10 cm) is commonly used for interior walls in hotels. However, for improved sound insulation and privacy, some hotels may have thicker walls, typically around 6 inches (15 cm) or more. Additionally, external walls may have thicker insulation and construction to provide better thermal and sound insulation from outside noise. It is important for hotels to comply with local building codes and regulations when determining the appropriate thickness for their walls.
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