International Building Code Section 2406


International Building Code 2406.1

Human impact loads. Individual glazed areas, including
glass mirrors, in hazardous locations as defined in Section
2406.3 shall comply with Sections 2406.1.1 through 2406.1.4.

CPSC 16 CFR 1201. Except as provided in Sections
2406.1.2 through 2406.1.4, all glazing shall pass the
test requirements of CPSC 16 CFR 1201, listed in Chapter
35. Glazing shall comply with the CPSC 16 CFR, Part 1201
criteria, for Category I or II as indicated in Table 2406.1.

Plastic glazing. Plastic glazing shall meet the
weathering requirements of ANSI Z97.1.

Glass block. Glass-block walls shall comply with
Section 2101.2.5.

Louvered windows and jalousies. Louvered
windows and jalousies shall comply with Section 2403.5.

International Building Code 2406.1.1

CPSC 16 CFR 1201. Except as provided in Sections
2406.1.2 through 2406.1.4, all glazing shall pass the
test requirements of CPSC 16 CFR 1201, listed in Chapter
35. Glazing shall comply with the CPSC 16 CFR, Part 1201
criteria, for Category I or II as indicated in Table 2406.1.

International Building Code 2406.1.2

Plastic glazing. Plastic glazing shall meet the
weathering requirements of ANSI Z97.1.

International Building Code 2406.1.3

Glass block. Glass-block walls shall comply with
Section 2101.2.5.

International Building Code 2406.1.4

Louvered windows and jalousies. Louvered
windows and jalousies shall comply with Section 2403.5.

International Building Code 2406.2

Identification of safety glazing. Except as indicated in
Section 2406.2.1, each pane of safety glazing installed in hazardous locations shall be identified by a manufacturer�s designation
specifying who applied the designation, the
manufacturer or installer and the safety glazing standard with
which it complies, as well as the information specified in Section
2403.1. The designation shall be acid etched, sand blasted,
ceramic fired, laser etched, embossed or of a type that once
applied, cannot be removed without being destroyed.Alabel as
defined in Section 1702.1 and meeting the requirements of this
section shall be permitted in lieu of the manufacturer�s designation.
Exceptions:
1. For other than tempered glass, manufacturer�s designations
are not required, provided the building official
approves the use of a certificate, affidavit or other evidence
confirming compliance with this code.
2. Tempered spandrel glass is permitted to be identified by
the manufacturer with a removable paper designation

498 2006 INTERNATIONAL BUILDING CODE.
GLASS AND GLAZING

Multilight assemblies. Multilight glazed assemblies
having individual lights not exceeding 1 square foot
(0.09 m2) in exposed areas shall have at least one light in the
assembly marked as indicated in Section 2406.2. Other
lights in the assembly shall be marked �CPSC 16 CFR
1201.�

International Building Code 2406.2.1

Multilight assemblies. Multilight glazed assemblies
having individual lights not exceeding 1 square foot
(0.09 m2) in exposed areas shall have at least one light in the
assembly marked as indicated in Section 2406.2. Other
lights in the assembly shall be marked �CPSC 16 CFR
1201.�

International Building Code 2406.3

Hazardous locations. The following shall be considered
specific hazardous locations requiring safety glazing
materials:
1. Glazing in swinging doors except jalousies (see Section
2406.3.1).
2. Glazing in fixed and sliding panels of sliding door
assemblies and panels in sliding and bifold closet door
assemblies.
3. Glazing in storm doors.
4. Glazing in unframed swinging doors.
5. Glazing in doors and enclosures for hot tubs, whirlpools,
saunas, steam rooms, bathtubs and showers.
Glazing in any portion of a building wall enclosing
these compartments where the bottom exposed edge of
the glazing is less than 60 inches (1524 mm) above a
standing surface.
6. Glazing in an individual fixed or operable panel adjacent
to a door where the nearest exposed edge of the
glazing is within a 24-inch (610 mm) arc of either vertical
edge of the door in a closed position and where the
bottom exposed edge of the glazing is less than 60
inches (1524 mm) above the walking surface.
Exceptions:
1. Panels where there is an intervening wall or
other permanent barrier between the door and
glazing.
2. Where access through the door is to a closet or
storage area 3 feet (914 mm) or less in depth.
Glazing in this application shall comply with
Section 2406.3, Item 7.
3. Glazing in walls perpendicular to the plane of
the door in a closed position, other than the
wall towards which the door swings when
opened, in one- and two-family dwellings or
within dwelling units in Group R-2.
7. Glazing in an individual fixed or operable panel, other
than in those locations described in preceding Items 5
and 6, which meets all of the following conditions:
7.1. Exposed area of an individual pane greater than 9
square feet (0.84 m2);
7.2. Exposed bottom edge less than 18 inches (457
mm) above the floor;
7.3. Exposed top edge greater than 36 inches (914
mm) above the floor; and
7.4. One or more walking surface(s) within 36 inches
(914 mm) horizontally of the plane of the glazing.
Exception: Safety glazing for Item 7 is not
required for the following installations:
1. A protective bar 11/2 inches (38 mm) or
more in height, capable of withstanding a
horizontal load of 50 pounds plf (730
N/m) without contacting the glass, is
installed on the accessible sides of the
glazing 34 inches to 38 inches (864 mm
to 965 mm) above the floor.
2. The outboard pane in insulating glass
units or multiple glazing where the bottom
exposed edge of the glass is 25 feet
(7620 mm) or more above any grade,
roof, walking surface or other horizontal
or sloped (within 45 degrees of horizontal)
(0.78 rad) surface adjacent to the
glass exterior.
8. Glazing in guards and railings, including structural baluster
panels and nonstructural in-fill panels, regardless
of area or height above a walking surface.
9. Glazing in walls and fences enclosing indoor and outdoor
swimming pools, hot tubs and spas where all of
the following conditions are present:
9.1. The bottom edge of the glazing on the pool or spa
side is less than 60 inches (1524 mm) above a
walking surface on the pool or spa side of the
glazing; and
9.2. The glazing is within 60 inches (1524 mm) horizontally
of the water�s edge of a swimming pool
or spa.
10. Glazing adjacent to stairways, landings and ramps
within 36 inches (914 mm) horizontally of a walking
surface; when the exposed surface of the glass is less
than 60 inches (1524 mm) above the plane of the adjacent
walking surface.
2006 INTERNATIONAL BUILDING CODE. 499
GLASS AND GLAZING
11. Glazing adjacent to stairways within 60 inches (1524
mm) horizontally of the bottom tread of a stairway in
any direction when the exposed surface of the glass is
less than 60 inches (1524 mm) above the nose of the
tread.
Exception: Safety glazing for Item 10 or 11 is not
required for the following installations where:
1. The side of a stairway, landing or ramp which
has a guardrail or handrail, including balusters
or in-fill panels, complying with the provisions
of Sections 1013 and 1607.7; and
2. The plane of the glass is greater than 18 inches
(457 mm) from the railing.

Exceptions. The following products, materials
and uses shall not be considered specific hazardous locations:
1. Openings in doors through which a 3-inch (76 mm)
sphere is unable to pass.
2. Decorative glass in Section 2406.3, Item 1, 6 or 7.
3. Glazing materials used as curved glazed panels in
revolving doors.
4. Commercial refrigerated cabinet glazed doors.
5. Glass-block panels complying with Section 2101.2.5.
6. Louvered windows and jalousies complying with the
requirements of Section 2403.5.
7. Mirrors and other glass panels mounted or hung on a
surface that provides a continuous backing support.

International Building Code 2406.3.1

Exceptions. The following products, materials
and uses shall not be considered specific hazardous locations:
1. Openings in doors through which a 3-inch (76 mm)
sphere is unable to pass.
2. Decorative glass in Section 2406.3, Item 1, 6 or 7.
3. Glazing materials used as curved glazed panels in
revolving doors.
4. Commercial refrigerated cabinet glazed doors.
5. Glass-block panels complying with Section 2101.2.5.
6. Louvered windows and jalousies complying with the
requirements of Section 2403.5.
7. Mirrors and other glass panels mounted or hung on a
surface that provides a continuous backing support.

International Building Code 2406.4

Fire department access panels. Fire department glass
access panels shall be of tempered glass. For insulating glass
units, all panes shall be tempered glass.