Blast Proof | Blast Resistance windows
Blast protection is essential in buildings that are at risk of intentional blast attacks such as terrorist attacks, or accidental blasts. A securely closed blast resistant door or window will provide vital protection to life, infrastructure, and assets.
Blast window Standards
- ASTM F2247, ASTM F2927 and ASTM F1642 are commonly specified test methods for windows.
- UFC 3-340-02 or UFC 4-010-01 is one of the primary specifications required for all Department of Défense related construction.
- ASCE (Design of Blast Resistant Buildings in Petrochemical Facilities) and PIP STC01018 are primarily used for petrochemical and offshore facilities.
Blast Categories
- Response categories following the blast event for doors can generally be defined as:
- Category I: undamaged
- Category II: permanent plastic damage but operable
- Category III: non-catastrophic failure (inoperable but remains a barrier to blast)
- Category IV: limited hazard failure (may rebound open)
- Category V: high hazard failure (door may be a flying debris hazard)
Sample specification of Blast Requirement
-Size: 4’0” x 4’0” , Pressure: 4 psi , Impulse: 28 psi-msec, Blast Direction: Seated, Rebound: 50%, Damage Level Category: II per ASTM F2247.
Single & double door exploded view
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