Wirelite is a 17 64 6 8 mm thick fire rated glazing material composed of wired glass.
Wire glass in fire rated doors.
20 45 minute doors still.
Door vision lites borrowed lite window frames sidelite frames and transoms.
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.
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Trudoor is certified by ul enabling us to cut re certify and label protect3 wire safety glass and fire protection rated glazing materials.
3 hour doors are not permitted to have fire protection rated glass.
Wirelite nt is a 17 64 6 8 mm thick glazing material composed of wired glass and a fire rated surface applied film.
1 4 w embedded 3 4 x 3 4 wire mesh cat ii impact rated safety glass.
Inches with no dimension exceed ing 10 inches.
It is important to remember what nfpa 80 states about glazing material in fire rated doors section 4 4 only labeled fire resistance rated or fire protection rated glazing material shall be used in fire door assemblies when permitted by the door listing section 4 4 1.
Fire protection rated glass such as safety wired glass and safety glass ceramic used in 60 and 90 minute doors to 100 sq.
The embedded wires in the glass act as a break plane making the glass just half as strong as annealed glass.
New generation safety wired glass products such as safti first s filmed superlite i w can be used in these hazardous locations.
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.
Wirelite nt is listed for use in doors sidelites transoms and borrowed lites.
Under the 2012 ibc unsafe wired glass is not allowed in any hazardous location.
The codes exempted traditional wired glass where fire rated glazing was needed.
It is listed for use in openings that do not require an impact safety rating.
Since 2003 the use of traditional wired glass in doors sidelites or locations where impact is a concern has been narrowed.
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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.
If the door serves as a horizontal exit door in a fire wall it is further restricted to 100 sq.