Sf Law On Wire Glass Doors

Fire rated glazing in hazardous locations including doors sidelites windows near the floor and other areas at risk for impact must also meet impact safety testing standards.

Sf law on wire glass doors.

Under the 2012 ibc unsafe wired glass is not allowed in any hazardous location. Float wired and pat ternedglassinlouveredwindowsandjalousiesshallbenothin ner than nominal 3 16 inch 4 8 mm and no longer than 48 inches 1219 mm. Safety wired glass products are tested to and meet the highest safety requirements mandated by both the code and the federal government s consumer products safety commission cpsc and have attained a fire rating after stringent fire testing. Exposed glass edges shall be smooth.

Before the 2012 ibc the code provided for an exception that allowed fire protective glazing such as ceramics and wired glass to exceed 100 sq. Inches in door vision panels in 60 90 minute exit enclosure and passageway doors provided that building was fully sprinklered. Wired glass with wire exposed on longitudinal edges shall not be used in louvered windows or jalousies. Wired glass is not prohibited in fire rated doors or non fire rated doors.

Safety wired glass although it looks like traditional wired incorporates a safety film and meets both fire and consumer product safety commission impact safety requirements. That exemption no longer applies. 2 windows if used shall be kept free of dirt or other obstruction to vision. Since 2003 the use of traditional wired glass in doors sidelites or locations where impact is a concern has been narrowed.

It is suitable for use in any door sidelite or other hazardous location where safety is a concern as outlined in chapter 24 of the international building code. Building codes for exterior doors. Exterior doors in homes and businesses not only provide security but they also serve as a vital means of egress during a fire or other emergency. A court battle between japanese wired glass manufacturers and cpsc ensued and the commission was forced to abandon its efforts to regulate the product.

Limitations on the use of traditional wired glass as of the 2006 ibc traditional wired glass is prohibited in hazardous locations in all building types. In 1977 a 2 5 year exemption was granted for wired glass in fire door assemblies to give the glass industry time to develop glazing that met both fire and impact requirements. However traditional wired glass no longer enjoys the exception that was previously allowed by building codes and 16 cfr 1201 because traditional wired glass was at the time the only fire rated glazing available but could not pass the more stringent impact requirements of 16 cfr 1201. The codes exempted traditional wired glass where fire rated glazing was needed.