The superior glass hazard solution tested and proven worldwide.

High-tenacity Safetydrape protects against blast debris and easily installs in any building.

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About Safetydrape®

Safetydrape® protects lives worldwide from the White House to Afghanistan. Governments and civilians alike trust Safetydrape®. Invented in 1991 by company CEO Craig Schwartz, we have been providing this system for over 20 years. Safetydrape® is independently tested. This blast mitigation product meets and exceeds the GSA’s glass hazard requirement, as well as the DoD Minimum Antiterrorism Standards for Buildings (UFC 4-010-01).

Safetydrape® is a patented drapery system designed to mitigate flying glass shards and debris caused by a bomb blast. The product protects lives by venting intense blast loads while safely capturing deadly flying projectiles. Designed in response to the statistic “80-85% of injuries sustained during a blast event can be attributed directly to glass shards,” (Glass, 2003)* Safetydrape® has rapidly grown to be a global facility protection system. Clients include the U.S. Armed Forces, a range of civilian agencies, the General Services Administration and foreign governments, as well as the petrochemical and pharmaceutical industries.

The Safetydrape® system includes the drape, anchorage hardware and a trough which is placed at the sill of the window for holding the additional length of drape necessary for the operation of the system. Pressure from a blast unfurls the drape from the trough to create an envelope that captures flying debris. Once the blast pressure dissipates, the drape deposits the glass shards and debris on the floor at the base of the window.

Safetydrape® has been subjected to numerous in-house and independent tests using ANFO, C4, and dynamite explosive charges. These tests were conducted at numerous standoff distances, with various glass types and charge weights to validate the limits of the product. Calculations using ATBlast Software by Applied Research Associates indicate that loads in the range of 4 to 55 psi were placed at the face of the glass. Detailed test results are available upon request.

*Glass, S. J., 2003. Assessment, Development, and Testing of Glass for Blast Environments, Albuquerque, New Mexico: SandiaNational Labs.

Protect Windows with Blast Curtains

Windows are the most vulnerable parts of any building. Even if you choose to construct windows of bullet-proof glass, the frame of the window cannot hold up to a bomb blast, so the glass panel blows into the room. Mitigation Technologies offers blast mitigation solutions, allowing you to enjoy safety and security, even in the most dire situations. Our bomb blast curtains are designed to provide protection against flying glass, the single most lethal part of an explosion, causing over 80% of death and injuries caused by a blast.

Easy Installation

When you are looking for protection, you want something that will be effective without creating a lot of time to install and or structural upgrades. Our blast curtain system is designed to install easily into any building, providing your employees and anyone else inside the building with the necessary protection against the effects of flying glass. These bomb blast net curtains hang in a similar fashion to many of the other curtains you may hang, yet they offer additional protections your typical curtains can’t offer. A typical installation by our certified installers takes under 30 minutes per window.

Designed for Longevity

The cost of blast mitigation is often one of the biggest concerns companies and government organizations have. The protection is necessary, but the cost makes it important to find a solution that lasts. Our blast curtain system is guaranteed for 20 years and is by far the most economical way to save the most lives.

Anchorage & Hardware

Safetydrape® is the only glass hazard mitigation product that does not rely on the anchorage to the wall to be effective. In this video, Safetydrape® was anchored with #8 – 2” zinc plated steel screws into 3/4” plywood​.

Mitigation Technologies is the exclusive manufacturer and patent holder for Safetydrape® blast curtains. All components are factory original parts, and are recyclable. Our blast curtains ship as a complete life-saving system, including all components and hardware required for installation.

The History of Safetydrape®

In 1990, as troops were being deployed to Saudi Arabia for the Gulf War, Craig Schwartz saw a news report stating that 85% of death and injury from a bomb blast occurs because of flying glass and debris (Glass, 2003).* Determined to help curb blast injuries and save lives, Mr. Schwartz set about creating Safetydrape®.

The research and development process began in an old rock quarry near Baltimore, Maryland. Our first tests using live explosives met with moderate success. This success encouraged us to make further adjustments to the combination of fiber, construction, attachment systems, weights and manufacturing techniques. Constant adjustments through an exhaustive research and testing process perfected the capacity of Safetydrape® to retain glass shards and remain intact.

Safetydrape® was clearly a viable life saving product, but the Safetydrape® team was way ahead of the U.S. government which wasn’t ready for Safetydrape® yet. Eager to help save lives, we began working with the government of the United Kingdom, as well as opening offices in Kuwait following the Gulf War. Finally in 1997 the GSA established criteria for testing glass hazard mitigation products and we knew that the time was right for Safetydrape® in the U.S. We retested Safetydrape® to prove that it would pass the newly established GSA criteria. Based on successful testing of the GSA standards, we were ready to bring Safetydrape® to the US Federal Government for use both domestically and abroad.

From these rough and low-tech beginnings, Mitigation Technologies has become a rapidly expanding company with a worldwide dealer network linked through proprietary software. We have expansive manufacturing capacity, and are capable of providing Safetydrape® to meet all of our customers’ needs, while remaining focused on integrity and continual innovation.

* Glass, S. J., 2003. Assessment, Development, and Testing of Glass for Blast Environments, Albuquerque, New Mexico: SandiaNational Labs.

What the Experts Say

“Windows protected with daylight application of film MUST use a blast curtain.”

— U.S. Naval Facilities Engineering Command

“FRF must be used with blast curtains.”

— Steven M. Bryant (State Dept) > AT Assistance Program: Preventing Attacks on Soft Targets (PAST)

“….application of film thus may actually increase lethality by holding the glass sheet together…causing more severe blunt trauma.”

— Karagozian & Case > *To Film Or Not To Film: Effects Of Anti-Shatter Film on Blunt Trauma Lethality*

“Based on years of comparative blast testing… I’d have to say that the phrase ‘security film’ is an oxymoron.”

— Dr. H. Scott Norville > ASTM Blast Test Developer

UFC Clarification

The wording is easily misunderstood…

THE UFC 4-010-01 (dated 9 February 2012)

Safetydrape Blast curtains meet these guidelines and can be used anyplace other than:

1. New construction

2. Major renovation (over 50%)

3. Window replacement project

B-3.1.8 Alternative Window Treatments.

Window retrofit products that rely on fragment retention film, fragment retention film as part of a retrofit system, or blast curtain or blind systems generally have higher life cycle costs than laminated glass windows due to their shorter design lives and due to operation and maintenance issues. Application of those products, therefore, will be governed by the following paragraphs:

B-3.1.8.1 New Buildings and Existing Buildings Undergoing Major Renovations or Window Replacement Projects.

Window retrofits incorporating alternative window treatments will not be considered an acceptable alternative for new buildings or existing buildings that are required to comply with these standards, except for leased buildings as stated below.

B-3.1.8.2 Leased Buildings.

For leased buildings that are required to comply with these standards, windows using laminated glass are preferred, but window retrofits incorporating alternative window treatments may be allowed if they provide the appropriate level of protection as indicated in Table 2-1as long as the lease agreement stipulates that they will be maintained and replaced in accordance with manufacturers’ recommendations. This will include meeting the requirements for supporting structural elements. Compliance with the required level of protection may be demonstrated through analysis or through testing. Testing will be performed in accordance with ASTM F 1642.

B-3.1.8.3 Other Existing Buildings.

For existing buildings that are not required to comply with these standards, window retrofits incorporating alternative window treatments are viable and economical UFC 4-010-01 9 February 2012 72 solutions to mitigating the effects of explosive attacks, but will be evaluated prior to installation so that reduction in glass hazards may be validated.

For further clarity please contact:

US Army Corp of Engineers
Protective Design Center
Omaha Nebraska

Information for Architects & Engineers

We’re here to share our blast world experience and technical expertise for effective safety design and construction. Our team of engineers has designed everything from blow-out panel catcher systems to hardening mobile storage and offices to industrial fragmentation containment. Our systems can be found on high voltage power lines in Europe, pipelines in the Middle East, and boiler factories in America.

We have the expertise to assist you with a range of technical materials including technical drawings, test results, specifications, CAD drawings, and test documentation.

Safetydrape® is one of our most popular and flexible products and can be found in buildings worldwide installed into everything from sheetrock to concrete and marble to terracotta block. Other glass hazard mitigation technologies sometimes require reinforcement; but Safetydrape® does not require anchorage or reinforcement. BIM models can be found on our ARCAT page. Safetydrape® has been used in LEED certified buildings; contact us for detailed Green and LEED information. If you are working with privately owned government leased property, we can provide you with information specifically for leased properties. In all cases, we’re able to assist with site specific design criteria.

Current architectural and engineering approaches reduce standoff by 50% (AFRL) using Mitigation Technologies’ PAXCON Polyurea coatings. Existing structures can quickly be brought up to the minimum AT standards by using PAXCON Polyurea PX-3350. In addition to being blast resistant, our polyureas protect against oxidation and other environmental factors. For additional information and test data, please click here.

To find out more about how our safety products can be deployed in your design and construction and talk to us about custom designed and engineered solutions, please contact us to schedule a presentation.

Technical Overivew

Safetydrape® Blast Curtain System is used in new and older buildings worldwide because it is the only glass hazard mitigation system that is not solely dependent on anchorage.

Safetydrape® stands apart from competing technologies it does not rely on specialized anchorage. Safetydrape® has been rigorously tested to perform in any wall or substrate imaginable. In contrast, competing technologies are often made to meet blast criteria in blast resistant test structures that have anchorage capabilities far beyond what is found in any typical commercial or historic building.

Safetydrape® is made to mitigate glass hazards in the typical office building, commercial, or residential structure. In other words, Safetydrape® works in any building. To find out how it does this, contact us for CAD drawings and detailed test information or download a brochure here.

Drapery

Our proprietary fabric Defender II is made of high tenacity polyester for long life and superior strength:

» guaranteed for 20 years even through a wide variance of temperature and environmental conditions.

» made in the USA: fibers are spun and manufactured in the U.S.

» standard colors include winter white and silver.

» thousands of colors and patterns to match just about any decor imaginable.

Contact us for samples or to schedule an appointment to discuss your color needs.

Troughs

» Standard troughs are made of Kynar painted 24 gauge galvanized steel (as used in the roofing industry), and carry a 30-year factory warranty. Standard metal finishes include Sandstone, Bone White, Stone White, Classic Green, Musket Gray, and Dark Bronze.

» We can fabricate custom trough profiles to match your architectural décor using materials such as extruded aluminum, custom woods, and bronze. Contact us to request a swatch board.

Anchorage Hardware

Anchorage hardware has been engineered and tested as a system.

» All components are zinc coated for long life.

» The system can be anchored into any wall substrate or window sill.

» Safetydrape® can coexist with mini blinds or window shades.

» CAD drawings are available upon request.

Safetydrape® is not reliant on the strength of the anchorage!

Unlike other glass hazard mitigation products, Safetydrape® is not dependent on anchorage. Safetydrape® vents the pressure instead of relying on brute force to keep the blast from entering. When an external explosion or bomb blast occurs, the curtain billows out, allowing the pressure to vent while the curtain catches the lethal flying glass shards. Minimal stress is transferred to the anchoring hardware.

This photograph was taken inside our test structure during a Force Protection Equipment Demonstration (FPED). Live charges were set off and the audience visited the test structure after the explosion.

The Safetydrape® was anchored with #8 2” zinc plated steel screws into 3/4” plywood. This track and bracket assembly was subject to over 20 blasts which exceeded 55 psi. The holes for the screws were never changed.

Take advantage of our exclusive liability coverage under the DHS SAFETY Act. Let our engineers and certified installers design the correct anchorage system for your facility and leave the burden of liability on our shoulders. Contact us to talk about how to install Safetydrape® in your facility.

Safetydrape® GSA Compliance

The US General Services Administration (GSA) oversees the design and construction of new facilities, and manages the existing real property inventory for a large portion of the US Government. After the bombing of the A.P. Murrah Building (Oklahoma City) in 1995, a Presidential directive was issued ordering government agencies to take actions to protect government facilities. In response, the GSA published its Security Criteria which specifically addresses blast protection issues for both new and existing GSA facilities.

Compliance criteria

Among other issues, GSA criteria addresses window glazing and the associated hazards generated by a blast. The criteria were generated in part by a series of GSA-performed blast tests on windows. The tests grade the glass fragment hazard for windows based on the location of glass fragments after a blast. The GSA requires that manufacturers of glass fragment mitigating products test their products using these criteria in order to be considered for use in GSA facilities.

Testing Safetydrape® for compliance

To demonstrate the efficacy of Safetydrape®, a computer-based terrorist event in a typical GSA office building was modeled. This model predicted glazing damage in a typical scenario and showed how Safetydrape would mitigate glass hazards.

The software used for the computer generated model is the Anti-Terrorism (AT) Assessor, developed by ARA Applied Research Associates predicts damage to building components from exterior blast threats. Geometric depictions of building facilities are modeled in a 3D environment.

Air blast prediction models based on formulations given in the TM5-855 military design manual are used and these are compared against pressure-impulse failure relationships for the given component models. From this, a damage prediction estimate is generated.

As shown in Figures 1 and 2, the building used for the comparison is approximately 140 ft by 160 ft in plan and is 8 stories high. In the damage prediction figures, damage is displayed and color coded for windows on floors 2-8 only. All other windows and structural elements are displayed as a light gray color.

The window used for the comparison is the same 48” x 66” x 1/4-inch thick monolithic annealed glass window that was tested. The charge weight used is a 100-lb TNT charge located at the curbside 20 ft from the front edge of the building. The comparison is made between an unprotected window with no blast curtain and a window with Safetydrape®.

In Figure 1, a model for the capacity of a plain monolithic window is used to predict window breakage. Hazardous breakage of the windows is indicated in red and it can be seen that in this scenario, hazardous uncontrolled breakage of all windows in the building is predicted.

Figure 2 shows the potential benefit of using blast curtains. In this scenario, all glass is predicted to be broken, but controlled by the blast curtain to varying extents. In areas of the building color coded green, glazing failure is predicted to be significantly controlled (at GSA Condition 3). In regions colored orange, blast loads may be high enough to cause Condition 4 or worse within the blast curtain. It is important to note that the analysis assumes the exterior walls and the connection of the curtain into the wall are adequate to survive the blast.

Figure 1: This CAD model of a typical office building shows windows damaged in a bomb blast event (in red). ♦ Hazardous Uncontrolled Failure

Figure 2: This CAD model of a typical office building shows window damage mitigated by protected windows (in green and orange). 

♦ Controlled but potentially hazardous failure. 

♦ Controlled failure, condition 3.

SAFETY Act: U.S. Department of Homeland Security (DHS) SAFETY Act Approved Product

Safetydrape® is the only SAFETY Act approved glass hazard mitigation product available and it offers these benefits:

  • Zero liability: Distributors, architects, engineers, and specifiers of Safetydrape® as well as building owners and customers who have Safetydrape® properly installed are likely to have zero liability due to death or injury related to glass in a terrorist event. The manufacturer, Mitigation Technologies (dba MitiTech LLC), becomes the sole entity that can be sued. Read more about how you are protected, below.
  • Significant injury reduction: In a bomb blast, glass is likely to cause death or injuries to 85% of building occupants. Safetydrape® greatly reduces that risk.
  • SAFETY Act coverage: No other glass mitigation product has SAFETY Act coverage.
  • Certified as a “Qualified Anti-terrorism Technology”
  • A DHS “Approved Product List for Homeland Security”
  • Insurance discounts: Many insurance agents offer discounts based on the limited liability of the SAFETY Act. Ask your insurance agent about discounts.
  • 67% of terrorist attacks are bombings. [FBI Publication # 0308 1980-2001 domestic]
  • 57% of terrorism targets were civilian/commercial. [FBI Publication # 0308 1980-2001 domestic]
  • 85% of the injuries to people in a blast are from glass. [Sandia National Laboratories]

Our commitment to liability protections

Mitigation Technologies (also known as MitiTech LLC) has pursued liability protections from the Department of Homeland Security (DHS) to benefit our customers. Mitigation Technologies was awarded coverage under a federal law, the Support Anti-Terrorism by Fostering Effective Technology (SAFETY) Act. As explained below, the tort protections provided by Mitigation Technologies’ SAFETY Act coverage include dramatically lower liability risks for both Mitigation Technologies and its customers should a future act of terrorism occur.

The SAFETY Act was established to protect sellers of anti-terror products or services approved by the DHS from incurring any liability associated with or resulting from a terrorist attack. These tort protections extend to the seller, its vendors, suppliers, subcontractors, specifiers and customers should a future act of terrorism occur where a SAFETY Act approved technology has been purchased and deployed. In any lawsuits following an act of terrorism where it is alleged that a SAFETY Act approved technology or service failed to prevent the act of terrorism, liability is non-existent. Customers of anti-terror technologies or services will not enjoy this protection if they buy a similar technology or service that has not been SAFETY Act approved.

Mitigation Technologies is proud to be the first blast mitigation technology of its type to be awarded SAFETY Act coverage from the DHS. Since Mitigation Technologies’ Safetydrape has been approved, by the DHS, the company and its customers are well positioned to avoid catastrophic liability claims. Should you have any questions about this significant development for Mitigation Technologies, its dealers, and its customers, please contact Craig Schwartz, Managing Member, directly at 800-616-ATFP (2837).

Sole Source Justifications

We have extensive experience with government purchasing: for a formal government justification document and sole source justification click here.

Why blast curtains?

Blast curtains are designed to capture glass shards propelled by an explosion. They are one of the most effective options in window retrofitting, physical security solutions:

  • Capture and contain flying glass shards, depositing them safely on the floor thus saving lives and mitigating injury. In an urban bomb blast 85% of deaths and injuries result from flying glass (Glass, 2003)*
  • Allow the building to vent an external or internal explosion
  • Allow for emergency egress out of the building as well as access into the building
  • Can be easily removed and/or relocated, making them easy to use in leased facilities
  • Provide better protection than film through a wider range of pressures
  • Do not void window warranties. In contrast, window films and tints often void window warranties
  • Offer a backup in case of film failure on filmed windows
  • Do not look like a security upgrade
  • Are aesthetically pleasing and allow light and visibility
  • Diffuse light glare
  • Have been approved for use by the Historical Preservation Society primarily because they do not require re-engineering, reinforcement or restructuring of the window opening to perform as designed. Blast curtains are one of the best options for historic buildings
  • Can reduce energy costs by as much as 20%. In some cases, blast curtains have been approved by the GSA as Energy Conserving Technologies.

Regulatory compliance

Safetydrape® meets all the following regulatory requirements:

  • Designated and certified as a QATT (Qualified Anti-Terrorism Technology) by the Department of Homeland Security
  • Has been granted liability coverage under the SAFETY Act by the Department of Homeland Security
  • Provides Certified Installation to comply with the SAFETY Act
  • Has passed US Government test criteria ASTM F1642

Case Study: Oklahoma City Bombing

The following chart was created after the Oklahoma City Bombing in 1995, and shows how widespread glass breakage is in the event of a bombing or act of terrorism. The A.P. Murrah Federal Building is shown in yellow and it is clear that glass breakage occurred many blocks away from the intended target. Although the surrounding buildings were not specifically targeted, they were affected because of their proximity to the Murrah Building.

Frequently Asked Questions

Q. What is Safetydrape® made from?

A. Safetydrape® is made from high-performance, high-tenacity polyester fibers manufactured by Honeywell International (now Performance Fibers).

Q. Is Safetydrape® washable?

A. Yes, Safetydrape® can be be washed. Contact Us prior to the cleaning process to ensure that your method does not void the factory warranty.

Q. Can we install Safetydrape® without dealer participation?

A. No. For Safetydrape® to be installed in accordance with the DHS SAFETY Act, the product must be installed by certified installers.

Q. How much does Safetydrape® cost?

A. Safetydrape® is a custom product. The cost is based on your window dimensions (width and length) and scope of work. The system includes the drapery, track, trough, and installation. For a cost estimate based on your window dimensions, contact us online or call us at 800-616-2837.

Q. We have fragmentation retention film (FRF) on our windows, why would we consider Safetydrape®?

A. In many window configurations, where it is only possible to install the FRF as a daylight application, the FRF could easily fail under the pressures of a blast. Recognizing this, the Naval Facilities Engineering Command Center of Expertise for Physical Security requires that all window film installed in a daylight application must have a backup of either a blast curtain or a catch bar system to catch the sheet of film and keep glass from entering the room.

Q. What is the warranty on Safetydrape® and what is its expected life?

A. The drape is covered by a limited 20-year warranty, the trough by a limited 30-year warranty and the hardware by a limited lifetime warranty.

Q. Is Safetydrape® dependent on the wall type or construction?

A. No, because Safetydrape® does not rely on brute force. Safetydrape® works on every mounting surface and with every wall configuration. It is the only product in its category that does not rely on the bond between glass and frame or the bond between frame and the building.

Q. Who has purchased Safetydrape®?

A. From Kuwait to Japan, from judges’ chambers to military bases, Safetydrape® can be found providing security and peace of mind for all branches of the military, government, corporations and the hospitality industry.

Mitigation Technologies develops and deploys

innovative life-saving security solutions.

Contact us today for a quote.

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40 N. Second St.

Rear Barn Suite

Chambersburg, PA 17201

410-309-9447

800-616-2837 (ATFP)

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DUNS 80835371

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