About this appendix: Appendix H gathers in one place the various standards that regulate the construction and protection of outdoor signs. Wherever possible, the appendix provides standards in performance language, thus allowing the widest possible application.
Code development reminder: Code change proposals to this appendix will be considered by the IBC—Structural Code Development Committee during the 2019 (Group B) Code Development Cycle. See explanation on page iv.
The following signs are exempt from the requirements to obtain a permit before erection:
- Painted nonilluminated signs.
- Temporary signs announcing the sale or rent of property.
- Signs erected by transportation authorities.
- Projecting signs not exceeding 2.5 square feet (0.23 m2).
- The changing of moveable parts of an approved sign that is designed for such changes, or the repainting or repositioning of display matter shall not be deemed an alteration.
The following words and terms shall, for the purposes of this appendix, have the meanings shown herein. Refer to Chapter 2 of this code for general definitions.
COMBINATION SIGN. A sign incorporating any combination of the features of pole, projecting and roof signs.
DISPLAY SIGN. The area made available by the sign structure for the purpose of displaying the advertising message.
ELECTRIC SIGN. A sign containing electrical wiring, but not including signs illuminated by an exterior light source.
GROUND SIGN. A billboard or similar type of sign that is supported by one or more uprights, poles or braces in or upon the ground other than a combination sign or pole sign, as defined by this code.
POLE SIGN. A sign wholly supported by a sign structure in the ground.
PORTABLE DISPLAY SURFACE. A display surface temporarily fixed to a standardized advertising structure that is regularly moved from structure to structure at periodic intervals.
ROOF SIGN. A sign erected on or above a roof or parapet of a building or structure.
SIGN. Any letter, figure, character, mark, plane, point, marquee sign, design, poster, pictorial, picture, stroke, stripe, line, trademark, reading matter or illuminated service, which shall be constructed, placed, attached, painted, erected, fastened or manufactured in any manner whatsoever, so that the same shall be used for the attraction of the public to any place, subject, person, firm, corporation, public performance, article, machine or merchandise, whatsoever, which is displayed in any manner outdoors. Every sign shall be classified and conform to the requirements of that classification as set forth in this chapter.
SIGN STRUCTURE. Any structure that supports or is capable of supporting a sign as defined in this code. A sign structure is permitted to be a single pole and is not required to be an integral part of the building.
In outdoor advertising display signs, the allowable working stresses shall conform to the requirements of Chapter 16. The working stresses of wire rope and its fastenings shall not exceed 25 percent of the ultimate strength of the rope or fasteners.
Roof signs shall be constructed entirely of metal or other approved noncombustible material except as provided for in Sections H106.1.1 and H107.1. Provisions shall be made for electric grounding of metallic parts. Where combustible materials are permitted in letters or other ornamental features, wiring and tubing shall be kept free and insulated therefrom. Roof signs shall be so constructed as to leave a clear space of not less than 6 feet (1829 mm) between the roof level and the lowest part of the sign and shall have not less than 5 feet (1524 mm) clearance between the vertical supports thereof. Roof sign structures shall not project beyond an exterior wall.
Exception: Signs on flat roofs with every part of the roof accessible.
|MAXIMUM SIZE OF
|TYPE OF GLASS|
|30||500||1/8||Plain, plate or wired|
|45||700||3/16||Plain, plate or wired|
|144||3,600||1/4||Plain, plate or wired|
|> 144||> 3,600||1/4||Wired glass|
|PROJECTION (feet)||MAXIMUM THICKNESS (feet)|
|ASTM D635—10||Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position||H107.1.1|
|NFPA 70—17||National Electrical Code||H106.1, H106.2|
|NFPA 701—10||Methods of Fire Test for Flame Propagation of Textiles and Films||H106.1.1|