Blast Resistant Glass

Oldcastle BuildingEnvelope® offers blast-resistant laminated glass, and it is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced. This glass can only perform as intended when installed in a qualified framing system designed to meet each project-specific application, with the proper framing system and anchoring design. Glass fragmentation hazards have been identified as a main cause of injury in the targeted site, as well as the peripheral sites; sometimes many blocks from the site of the bomb.

Blast Resistant Glass

Capabilities [+][-]

Blast Mitigation Glass Capabilities

The following constructions of laminated glass are most commonly specified for bomb-blast resistance. As with all laminated glazing, the glass can be supplied as tinted or reflective for light and solar control purposes. The lites of glass can be either annealed or heat-strengthened. Oldcastle BuildingEnvelope® does not recommend tempered laminated glass in this type of application. When insulating glass units are required for thermal performance, Oldcastle BuildingEnvelope® recommends that both lites of the IG unit be laminated in order to provide maximum protection for those both inside and outside the building. If only one lite in the IG unit is to be laminated, it must be the interior lite so as to protect the occupants of the building.

Product # Construction
Glass-PVB-Glass: inches
Thickness
inches
Weight
mm
lbs/ft2 kg/m2
110100 1/8–0.060–1/8 5/16 8 3.58 17.5
110110 3/16–0.060–3/16 7/16 11 5.21 25.4
110120 1/4–0.060–1/4 9/16 14 6.83 33.3

Description [+][-]

Blast Mitigation Glass Description

Oldcastle BuildingEnvelope®‘s blast-resistant laminated glass is an excellent glazing choice in all types of buildings that may be subjected to bomb blasts. The tough plastic interlayer holds the glass together after an impact, and with the proper framing systems, the glazing will be retained in the opening. Thus, the amount of flying glass, as well as the consequential injuries, can be dramatically reduced.

The pressure from a bomb typically consists of a wave that rises almost instantaneously to a very high peak pressure that falls back to zero in a very short duration, as measured in milliseconds. For example, a 27 lb. bomb detonated from a stand-off distance of 48 ft. produces a peak pressure of 10 psi (1,440 psf) for 3.3 milliseconds. The area under the pressure time graph is called the impulse and is measured in psi-ms. Blast wave energy decreases very rapidly with distance so that the most effective protection is to increase this “stand-off” distance. However, this is not always a viable or economic option.

Table 2

Hazard 1 Hazard 2 Hazard 3 Hazard 3B Hazard 4 Hazard 5
No glass
breakage
Minimal
spall
Spall up to
3ft (1m)
Spall up to
10ft (3m)
Hits back wall
up to 2ft high
Hits back wall
>= 2ft high
bright blue
orange

Glass Colors [+][-]

Laminated Glass Colors

Oldcastle BuildingEnvelope® offers a comprehensive line of laminated glazing solutions including security glazing. The glass types listed below are included in the Laminated Glass offering. Oldcastle BuildingEnvelope® offers a variety of glass products to meet your architectural glazing design needs. Please contact Oldcastle BuildingEnvelope® for product availability and performance data as this information is subject to change without notice.

Laminated architectural glass can be fabricated using various glass types, including low-e, clear, low-iron, tinted, reflective, patterned or wired glass to achieve desired aesthetics or to improve solar control and thermal performance. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects.

For monolithic, laminated or insulating glass unit performance data, please go to SystemSelect, our on-line glass performance calculator.

The tables below include a selection of the most common colors available. For full details of the decorative interlayers including Vanceva® Color, Pattern, Metallic and Image see the decorative section

Assistance Options:

  1. Call toll-free, 866-653-2278.
  2. Send e-mail to Technical Support
Clear Glass Products
Laminated 1/8″ Clear – 0.030″ Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.060″ Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.090″ Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.035″ SentryGlas® – 1/8″ Clear
Laminated 1/8″ Clear – 0.060″ SentryGlas® – 1/8″ Clear
Laminated 1/8″ Clear – 0.090″ SentryGlas® – 1/8″ Clear
Laminated 1/8″ Clear – 0.100″ Saflex® HP Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.075″ StormGlass™ – 1/8″ Clear
Laminated 3/16″ Clear – 0.030″ Clear PVB – 3/16″ Clear
Laminated 3/16″ Clear – 0.060″ Clear PVB – 3/16″ Clear
Laminated 3/16″ Clear – 0.090″ Clear PVB – 3/16″ Clear
Laminated 3/16″ Clear – 0.035″ SentryGlas® – 3/16″ Clear
Laminated 3/16″ Clear – 0.060″ SentryGlas® – 3/16″ Clear
Laminated 3/16″ Clear – 0.090″ SentryGlas® – 3/16″ Clear
Laminated 3/16″ Clear – 0.100″ Saflex® HP Clear PVB – 3/16″ Clear
Laminated 3/16″ Clear – 0.075″ StormGlass™ – 3/16″ Clear
Laminated 1/4″ Clear – 0.030″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Clear – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Clear – 0.090″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Clear – 0.035″ SentryGlas® – 1/4″ Clear
Laminated 1/4″ Clear – 0.060″ SentryGlas® – 1/4″ Clear
Laminated 1/4″ Clear – 0.090″ SentryGlas® – 1/4″ Clear
Laminated 1/4″ Clear – 0.100″ Saflex® HP Clear PVB – 1/4″ Clear
Laminated 1/4″ Clear – 0.075″ StormGlass™ – 1/4″ Clear

 

White Glass Products
Laminated 1/8″ Clear – 0.015″ Vanceva® Polar White (220700) PVB + 0.015″ Saflex® Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Vanceva® Arctic Snow (216500) White PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Vanceva® Cool White (218000) PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Trosifol® Translucent White (2165) White PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Trosifol® Soft White (2180) White PVB – 1/8″ Clear

 

Grey Glass Products
Tint
Laminated 1/8″ Clear – 0.030″ Saflex® Medium Gray (654400) PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.015″ Vanceva® Evening Shadow (835000) PVB + 0.015″ Saflex® Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.015″ Vanceva® Smoke Gray (837800) PVB + 0.015″ Saflex® Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Trosifol® Gray (6544) PVB – 1/8″ Clear
Laminated 1/8″ Gray – 0.060″ Clear PVB – 1/8″ Clear
Laminated 1/8″ Gray – 0.060″ Clear PVB – 1/8″ Gray
Laminated 3/16″ Gray – 0.060″ Clear PVB – 3/16″ Clear
Laminated 3/16″ Gray – 0.060″ Clear PVB – 3/16″ Gray
Laminated 1/4″ Gray – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Guardian MidnightGray™ High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Pilkington SuperGrey™ High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Graylite® II High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear
Reflective
Laminated 1/4″ Vitro Solarcool® Gray Reflective #2 – 0.060″ Clear PVB – 1/4″ Clear

 

Bronze Glass Products
Tint
Laminated 1/8″ Clear – 0.030″ Saflex® Light Bronze (645200) PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Trosifol® Bronze (6452) PVB – 1/8″ Clear
Laminated 1/8″ Bronze – 0.060″ Clear PVB – 1/8″ Clear
Laminated 1/8″ Bronze – 0.060″ Clear PVB – 1/8″ Bronze
Laminated 3/16″ Bronze – 0.060″ Clear PVB – 3/16″ Clear
Laminated 3/16″ Bronze – 0.060″ Clear PVB – 3/16″ Bronze
Laminated 1/4″ Bronze – 0.060″ Clear PVB – 1/4″ Clear
Reflective
Laminated 1/4″ Vitro Solarcool® Bronze Reflective #2 – 0.060″ Clear PVB – 1/4″ Clear

 

Green Glass Products
Tint
Laminated 1/8″ Green – 0.060″ Clear PVB – 1/8″ Clear
Laminated 1/8″ Green – 0.060″ Clear PVB – 1/8″ Green
Laminated 3/16″ Green – 0.060″ Clear PVB – 3/16″ Clear
Laminated 3/16″ Green – 0.060″ Clear PVB – 3/16″ Green
Laminated 1/4″ Green – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Pilkington EverGreen™ High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Atlantica® High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear

 

Blue-Green Glass Products
Tint
Laminated 1/8″ Clear – 0.030″ Saflex® Medium Blue-Green (377300) PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.030″ Trosifol® Light Blue-Green (3773) PVB – 1/8″ Clear
Laminated 1/4″ Pilkington Optifloat™ Blue-Green Tint – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Azuria® High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear
Reflective
Laminated 1/4″ Vitro Solarcool® Azuria® (2) – 0.060″ Clear PVB – 1/4″ Clear

 

Blue Glass Products
Tint
Laminated 1/8″ Clear – 0.015″ Vanceva® Aquamarine (827800) PVB + 0.015″ Saflex® Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.015″ Vanceva® Sapphire (825000) PVB + 0.015″ Saflex® Clear PVB – 1/8″ Clear
Laminated 1/8″ Clear – 0.015″ Vanceva® True Blue (841400) PVB + 0.015″ Saflex® Clear PVB – 1/8″ Clear
Laminated 1/4″ Pilkington Arctic Blue™ – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Solarblue® – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Pacifica® High Performance Tint – 0.060″ Clear PVB – 1/4″ Clear
Reflective
Laminated 1/4″ Vitro Solarcool® Pacifica® Reflective #2 – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Solarcool® Solarblue® Reflective #2 – 0.060″ Clear PVB – 1/4″ Clear
Laminated 1/4″ Vitro Vistacool® Pacifica® Reflective #2 – 0.060″ Clear PVB – 1/4″ Clear

Installation Guides [+][-]

Blast Mitigation Glass Installation Guidelines

Install per blast mitigation framing supplier guidelines.

Cleaning

Do not expose the edges of any laminated glass to organic solvents, acids or any cleaner containing ammonia, which can react with the plastic components. Once the glazing is installed, the glazing contractor should ensure that the glazing is protected from possible damage caused by the construction practices of other trades. Take particular care during the initial cleaning, especially if the surfaces are severely soiled. Never attempt to remove dry deposits. NEVER use a sharp blade or scraper to remove deposits or clean the glass.

First flush with water to soften and remove as many contaminants as possible. Then use a clean squeegee to remove excess water, ensuring that abrasive deposits do not get trapped between the squeegee and the glass surface. Then use a mild nonabrasive, nonalkaline cleaner and a soft, grit-free cloth to clean the glass. Rinse immediately with water, removing excess water with a squeegee.

For routine cleaning, a mild soap or detergent, with lukewarm water, can be used with a clean, grit-free cloth. Dry the surface immediately and never allow metallic or hard objects, such as razor blades or scrapers, to come into contact with the glass.

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