24 CFR § 3280.113 - Glass and glazed openings.
(a) Windows and sliding glass doors. All windows and sliding glass doors shall meet the requirements of § 3280.403 the “Standard for Windows and Sliding Glass Doors Used in Manufactured Homes”.
(b) Hazardous locations requiring safety glazing. Except as provided in paragraph (d) of this section, the following locations and areas require the use of safety glazing conforming to the requirements of paragraph (c) of this section:
(1) Glazing in all entrance or exit doors;
(2) Glazing in fixed and sliding panels of sliding glass doors;
(3) Glazing in storm-type doors;
(4) Glazing in unframed side-hinged swinging doors;
(5) Glazing in doors and fixed panels less than 60 inches above the room floor level that enclose bathtubs, showers, hydromassage tubs, hot tubs, whirlpools, saunas;
(6) Glazing within 12 inches horizontally, as measured from the edge of the door in the closed position, and 60 inches vertically as measured from the room floor level, adjacent to and in the same plane of a door;
(7) Glazing within 36 inches of an interior room walking surface when the glazing meets all of the following:
(i) Individual glazed panels exceed 9 square feet in area in an exposed surface area;
(ii) The bottom edge of the exposed glazing is less than 19 inches above the room floor level; and
(iii) The top edge of the exposed glazing is greater than 36 inches above the room floor level.
(8) Glazing in rails and guardrails; and
(9) Glazing in unbacked mirrored wardrobe doors (i.e., mirrors that are not secured to a backing that is capable of being the door itself).
(c) Safety glazing material is considered to be any glazing material capable of meeting the requirements of Consumer Product Safety Commission 16 CFR part 1201, or Standard for Safety Glazing Materials used in Buildings - Safety Performance Specifications and Methods of Test, ANSI Z97.1-2004 (incorporated by reference, see § 3280.4).
(d) Glazing in the following locations is not required to meet the requirements in paragraph (b) of this section:
(1) Openings in doors through which a 3-inch sphere is unable to pass;
(2) Leaded and decorative glazed panels;
(3) Glazing in jalousie-type doors;
(4) Glazing as described in paragraph (b)(6) of this section when an intervening wall or other permanent barrier exists between the door and the glazing;
(5) Glazing as described in paragraph (b)(7) of this section when a protective bar or member is installed horizontally between 34 inches and 38 inches above the room floor level, as long as the bar or member is a minimum of 1 1/2 inches in height and capable of resisting a horizontal load of 50 pounds per lineal foot; and
(6) Mirrors mounted on a flush door surface or solid wall surface.