Architectural Glass: Fire-Rated

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Sizes/Test Data

Table 1. Fire-Rated Glass: Maximum Exposed Dimensions
Important Note: The design professional is responsible for specifying fire-rated and safety glazing products that meet the project’s fire and building code requirements. The maximum size allowed per code may be less than the actual test sizes listed below.

  5/16" Pyroguard clear fire-rated safety glass
  Stop
Maximum
  
  Glazing Height Area Width Height Rating
  Application
Framing
System
inches
in2
inches
inches
minutes
  Door (single or multiple lite)
HM
C
3/4
1288
28
46
20 (NH)
  Door (single or multiple lite)
W
C
3/4
1288
28
46
20 (NH)
  Sidelite, transom lite, borrowed lite
HM
C
3/4
1288
28
46
20 (NH)
 
  1/4" clear polished wired glass
  Stop
Maximum
  
  Glazing Height Area Width Height Rating
  Application
Framing
System
inches
in2
inches
inches
minutes
  Door
HM
A
1/4
3289
35-3/4
92
20 (NH)
  Door (single or multiple lite)
W
B
9/16
2856
34
84
20
  Door (sidelite, transom lite)
HM
A
3/8
1296
54
54
20, 45
  Door (single or multiple lite)
HM
B
9/16
2856
34
84
20, 45
  Sidelite, transom lite
HM
C
3/8
4704
106
106
20, 45
  Door (single lite)
W
B
9/16
960
12
80
45, 60
  Door (multiple lite)
W
B
9/16
1920
12
80
45, 60
  Door (single lite)
HM
B
9/16
1008
12
84
45
  Door (multiple lite)
HM
B
9/16
2016
12
84
45
  Door (single lite)
HM
B
9/16
552
12
46
90
  Door (multiple lite)
HM
B
9/16
2208
12
46
90
Key:  A   Standard fire glazing system
B Pemko FG3000 Fireglaze with Pemko door lite kit
C Pemko FG3000 Fireglaze
HM Hollow metal framing
W Wood framing
NH No hose stream test