BlastShield™ Model BL6000

ASTM F2927-21 is the Standard Test Method for Door Systems Subject to Airblast Loadings, published by ASTM International. It is the internationally recognised standard for testing the blast resistance of door assemblies under controlled, repeatable conditions using a shock tube. A door certified to ASTM F2927-21 has been subjected to a documented blast load and its structural response has been independently measured and recorded. Without this certification, there is no verified basis for specifying a door as blast resistant. Manufacturer performance claims without third-party certification do not meet the standard that security specifications, building authorities, and insurers require.

ASTM F2927-21 defines five damage level categories, from Category I (minimal permanent deformation, fully operable after test) through to Category V (severe damage, door no longer functional). Category II represents a door that has experienced moderate permanent deformation but has retained full structural integrity and remains operable after the blast event. In a real-world incident, a Category II door means the opening remains closed, the protected area remains protected, and the door continues to function for access control and emergency response. This is the performance level that matters in a real incident — not just a door that was present during the blast, but one that continued to work after it.

Peak Reflected Pressure is the measure of blast loading intensity applied to the door during testing — it represents the maximum pressure wave the door must withstand. At 12 psi (1,728 pounds per square foot), the BL6000 has achieved a certified blast resistance level that no other overhead coiling door on the market has matched. To give this figure context: 1 psi of blast overpressure is sufficient to cause significant structural damage to standard building elements. The BL6000 is certified to 12 times that level while remaining structurally intact and operable.

Please contact the Virtual Bridge technical team to discuss combined blast and fire rating requirements for your specific project. Availability depends on opening dimensions, required fire rating duration, and site conditions — our technical team will advise on the appropriate configuration.

The BL6000 is not a standard off-the-shelf product. Each installation is sized and configured based on the specific project requirements: the opening dimensions, the required Damage Level Category, the Peak Reflected Pressure parameter derived from the threat assessment, and the structural surround conditions of the building. Virtual Bridge generates project-specific engineering drawings and design documentation for every installation. Contact our technical team with your project details to initiate the specification process.

Lead times vary by project complexity, opening size, and required configuration. Contact Virtual Bridge with your project timeline and we will provide a realistic programme as part of the initial consultation.

Yes. Virtual Bridge provides scheduled preventive maintenance, emergency technical support, and compliance documentation updates for all installed BL6000 systems across the Middle East and Gulf. Maintenance schedules are agreed at the time of project handover and our regional team is available to respond to technical issues in the territories we serve.

Yes. The standard finish is Dusky Charcoal. Custom powder coat finishes in any specified colour are available — please specify at time of order. Finish selection does not affect the blast performance of the assembly.