Prison / Jail Glass
Detention Glazing For Correctional Facilities
Capabilities Test Procedures
The following tables provide a summary of the three established industry accepted testing authorities and procedures. They are:
ASTM F1233 Standard Test Method for Security Glazing Materials and Systems (see Table 1).
The H.P. White Laboratories HPW-TP-0500 procedure Transparent Materials for Use in Forced-Entry or Containment Barriers (see Table 2).
The Walker-McGough-Folz & Lyerla (WMFL) thirty– and sixty-minute “Ballistics and Forced Entry Procedure” (see Table 3).
SafeZone manufactures a comprehensive line of laminated products for Forced-Entry-Resistance. See Table 4 for a product listing.
Table 1: ASTM F1233 Main-Force/Forced-Entry Test Sequences |
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Test Sequences for Each Class of Security Glazing |
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Test Implement(Assault) |
Class I |
Class II |
Class III |
Class IV |
Class V |
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Blunt Impact (Impacts) |
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Sledgehamer (25) |
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NR(1) |
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5 |
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10, 16 |
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19,22,27 |
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30, 33, 36, 39 |
4" pipe/sledge (25) |
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NR |
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NR |
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9 |
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18 |
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29 |
Ram (10) |
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NR |
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NR |
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8 |
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17 |
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28 |
Ball Peen Hammer (10) |
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1 |
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2 |
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NR |
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NR |
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NR |
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Sharp Tools (Impacts) |
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Ripping bar (10) |
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NR |
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7 |
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12 |
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23 |
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NR |
Chisel/hammer (25) |
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NR |
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NR |
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13 |
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25 |
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35, 40 |
Angle iron/sledge (25) |
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NR |
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NR |
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15 |
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NR |
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NR |
1.5" pipe/sledge (25) |
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NR |
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3 |
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NR |
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NR |
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NR |
Fire axe (25) |
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NR |
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NR |
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NR |
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24 |
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32, 38 |
Wood-splitting maul (25) |
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NR |
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NR |
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NR |
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21 |
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34, 41 |
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Thermal Stress (Minutes) |
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CO2 extinguisher (1) |
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NR |
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4 |
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NR |
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NR |
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NR |
Propone torch (5) |
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NR |
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6 |
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11 |
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20 |
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31 |
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Chemical Deterioration (Amount) |
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Gasoline (0.5 pints) |
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NR |
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NR |
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14 |
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NR |
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NR |
Acetone (0.5 pints) |
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NR |
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NR |
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NR |
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26 |
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37 |
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Total Test Sequences |
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1 |
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7 |
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16 |
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27 |
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41 |
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(1) NR-Not Required |
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Capabilities-Test Procedures (continued)
The numbers in the above chart indicate the sequence number. For example, to successfully pass Class II, a glazing must resist the 10 impacts from a ball peen hammer required under “1” in the Class I column, followed by another10 impacts from a ball peen hammer required under “2” in the Class II column, followed by 25 impacts from a 1.5” pipe/sledge under “3” in the Class II column, followed by assaults 3, 4, 5, 6, and 7 as indicated in the Class II column.
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Table 2: H.P. White TP-0500 Ballistics and Forced-Entry Test Procedures |
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Test Sequences for Each Class of Security Glazing |
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Phase I-Ballistics-Optional |
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Level A |
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Level B |
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Level C |
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Level D |
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Level E |
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Caliber |
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38 Special |
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9 mm |
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44 Mag |
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7.62 mm, M80 |
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30-06 AP |
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Shots |
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3 |
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3 |
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3 |
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3 |
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3 |
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numerical sequence (1-54) below. |
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Phase II-Forced-Entry |
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Level I |
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Level II |
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Level III |
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Level IV |
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Level V |
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Blunt Impacting (Impacts) |
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Sledgehammer/wedge (25) |
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1, 4 |
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8, 10 |
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18, 24, 26 |
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29, 32, 39 |
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42, 45, 48, 51, 54 |
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4" dia. Pipe/sledge (25) |
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2 |
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7 |
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17 |
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28 |
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41 |
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Ram (10) |
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NA(1) |
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6 |
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16 |
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27 |
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40 |
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Pinch bar(1) |
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Sharp Tool (Impacts) |
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Chisel/hammer (25) |
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NA |
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12 |
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21, 23 |
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33, 36, 38 |
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47, 52 |
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Angle iron/sledge (25) |
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NA |
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13 |
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22 |
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NA |
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NA |
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1-1/2" dia. Pipe/sledge (25) |
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5 |
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NA |
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NA |
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NA |
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NA |
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Fire axe (25) |
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NA |
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NA |
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NA |
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35 |
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44, 50 |
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Wood maul (25) |
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NA |
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15 |
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20 |
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31 |
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46, 53 |
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Thermal Stress (Minutes) |
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Extinguisher, CO2 (1) |
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3 |
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9 |
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NA |
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NA |
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NA |
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Propane burner (5) |
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NA |
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11 |
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19 |
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30 |
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NA |
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Acetylene (5) |
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NA |
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NA |
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NA |
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NA |
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43 |
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Chemical Deterioration (Amount) |
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Gasoline ( 1/2 pint) |
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NA |
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14 |
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NA |
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NA |
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NA |
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Windshield washer (1/2 pint) |
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NA |
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NA |
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25 |
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34 |
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NA |
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Actone (1/2 pint) |
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NA |
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NA |
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NA |
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NA |
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49 |
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Total Forced-Entry Sequences |
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5 |
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15 |
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26 |
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39 |
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54 |
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(1) Pinch or ripping bars may be substituted for any protion of the blunt impacting sequence at the rate |
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of 1 minute for each 5 impacts (test directors option). |
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(2) NA-Not Applicable |
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The numbers in the preceding chart indicate the sequence number. For example, to successfully pass Level I, a glazing must resist the 25 impacts from a sledgehammer, followed by 25 impacts from a 4” diameter pipe, followed by 1 minute of a C02 extinguisher, followed by a further 25 impacts from a sledgehammer, followed by 25 impacts from a 1-1/2” pipe-a total of 5 sequences. To successfully pass Level II, the glazing must resist all the sequences of Level I, followed by all the sequences of Level II detailed in the table-a total of 15 sequences.
Table 3: WMFL Ballistics and Force-Entry Test Procedure
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Ballistics and |
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60-Minute |
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60-Minute |
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30- minute |
Attack Tools & Sequence of Use |
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Physical Attack |
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Physical Attack |
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Physical Attack |
44 Magnum 240 grain soft point |
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25 rounds |
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NA(1) |
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NA |
Nominal 2 lb. Claw hammer, claw end |
5 minutes |
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5 minutes |
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5 minutes |
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Cold steel chisel of screwdriver |
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5 minutes |
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5 minutes |
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5 minutes |
hitting end with nominal 2 lb. hammer |
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Nominal 10 lb. Sledgehammer |
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5 minutes |
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5 minutes |
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5 minutes |
1-1/2" diameter steel pipe, 3 ft. long |
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5 minutes |
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5 minutes |
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NA |
or 2" x 2" x 1/4" steel angle, 3 ft. long |
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Grade 60, No. 8 rebar, 3 ft. long |
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5 minutes |
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5 minutes |
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NA |
4" x 4" oak post, 3 ft. long |
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5 minutes |
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5 minutes |
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NA |
Dry chemical fire extinguisher |
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5 minutes |
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5 minutes |
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5 minutes |
Nominal 10 lb. Sledgehammer |
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5 minutes |
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5 minutes |
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NA |
Clother hanger or knife with |
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5 minutes |
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5 minutes |
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NA |
10" long x 1/4" think cold steel blade, |
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heated during use |
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Propane burner with nozzle sized to |
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5 minutes |
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5 minutes |
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5 minutes |
creat approximately a 1"-diameter |
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heat source ( applied within 4" or |
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less of glass surface) |
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Nominal 4 lb. Hammer |
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5 minutes |
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5 minutes |
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5 minutes |
3"-diameter eteel pipe, 3 ft. long |
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5 minutes |
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5 minutes |
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NA |
or 1" x 1" x 1/4" steel angle, 3 ft. long |
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(1) NA-Not Applicable |
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Where more than one weapon is specified in a given 5-minute time period, each weapon was used for approximately equal portions of the time. Spall is not measured in the ballistic test of WMFL |
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Inspection and Installation Guidelines
Tolerances and quality standards are detailed in ASTM C1349 Standard Specification for Architectural Flat Glass-Clad Polycarbonate. Laminated glazing designed for security applications is constructed to provide extreme performance and contains several layers of glass and polycarbonate lites. A small amount of distortion due to the extrusion of the polycarbonate and heat treating of glass lites is unavoidable. This is especially true with thick laminates that provide the very highest levels of protection. Optical distortion is usually not obtrusive and is not a cause for rejection.
Table 4: Dynamic Ballistics Security Laminates for use in Forced-Entry Applications |
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Nominal |
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Max |
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HPW-TP-0500 |
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ASTM |
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UL |
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Thickness |
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Weight |
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Size |
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Trade Name |
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Product # |
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FE |
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BR |
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WMFL |
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F1233 |
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752 |
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inches |
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lbs/ft2 |
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inches |
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Assembly(1) |
SafeZone |
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FE-SZ-01 |
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─ |
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─ |
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─ |
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1-body passage |
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─ |
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1/2 |
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5.4 |
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60 X 96 |
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AGL |
SafeZone |
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FE-SZ-02 |
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─ |
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─ |
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─ |
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1 |
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─ |
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3/4 |
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7.2 |
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60 X 96 |
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AGL |
SafeZone |
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FE-SZ-03 |
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─ |
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─ |
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─ |
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1 |
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─ |
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1 |
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9.1 |
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60 X 96 |
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AGL |
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SafeZone Max |
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FE-SZM-01 |
1 |
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A(2) |
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─ |
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─ |
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─ |
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7/16 |
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4.6 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-02 |
1 |
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A(2) |
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─ |
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─ |
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─ |
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9/16 |
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5.4 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-03 |
1 |
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B(2) |
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─ |
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─ |
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─ |
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11/16 |
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6.2 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-04 |
2 |
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B(2) |
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3 |
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─ |
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─ |
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13/16 |
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6.4 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-05 |
2 |
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B(2) |
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2 |
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─ |
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─ |
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15/16 |
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7.2 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-06 |
3 |
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B(2) |
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3 |
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─ |
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─ |
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3/4 |
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6.3 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-07 |
3 |
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B(2) |
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2 |
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─ |
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─ |
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7/8 |
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7.1 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-08 |
─ |
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─ |
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1(2) |
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─ |
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─ |
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1-1/4 |
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10.8 |
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60 X 96 |
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GCP |
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SafeZone Max |
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FE-SZM-09 |
─ |
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─ |
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1 |
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─ |
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1-3/8 |
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11.8 |
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60 X 96 |
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GP |
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SafeZone SuperMax |
FE-SZS-01 |
2-step 14 |
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A |
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─ |
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─ |
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─ |
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3/8 |
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2.5 |
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60 X 96 |
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LPC |
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SafeZone SuperMax |
FE-SZS-02 |
3-step 16 |
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A |
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─ |
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─ |
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─ |
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1/2 |
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3.4 |
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60 X 96 |
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LPC |
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SafeZone SuperMax |
FE-SZS-03 |
4-step 38 |
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B |
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─ |
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─ |
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─ |
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3/4 |
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5.0 |
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60 X 96 |
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LPC |
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SafeZone SuperMax |
FE-SZS-04 |
5 |
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B |
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─ |
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─ |
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2 |
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1 |
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6.6 |
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60 X 96 |
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LPC |
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SafeZone SuperMax |
FE-SZS-05 |
5 |
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C |
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2 |
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─ |
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3 |
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1-1/4 |
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8.2 |
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60 X 96 |
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LPC |
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HP White Test Summary |
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ASTM F1233 Test Summary |
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WMFL Test Summary |
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HPW-TP-0500 |
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Forced-Entry |
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Ballistics |
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Forced-Entry |
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Level 3: 30 Minutes |
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Level 1: Steps 1-5 |
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Level A: 38 Special |
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Class 1: Step 1 |
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Level 2: 60 Minutes |
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Level 2: Steps 1-15 |
Level B: 9mm |
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Class 1: Steps 1-7 |
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Level 1: 60 minutes and 25 rounds |
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Level 3: Steps 1-26 |
Level C: 44 Magnum |
Class 3: Steps 1-16 |
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44 Magnum |
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Level 4: Steps 1-39 |
Level D: 7.62 mm |
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Class 4: Steps 1-27 |
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Level 5: Steps 1-54 |
Level E: 30-06 AP |
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Class 5: Steps 1-41 |
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(1) GP-glass-clad polycarbonate with exposed polycarbonate; GCP-glass-clad-polycarbonate; LPC-laminated polycarbonate; AGL-all-glass laminate |
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(2) These products resist bullet penetration. |
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(3) This is not a no-spall ballistics test. |
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