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Universal Demolition Block (UDB)™ Demolition and Booster Charge
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Universal Demolition Block (UDB)™ Demolition and Booster Charge
The Universal Demolition Block™ (UDB) is a user-filled plastic explosive charge in a matchbox design: a slide-out tray holds 250g or 500g of PE, and an outer sleeve contains it, provides multiple attachment and initiation points, and locks to adjacent units via integral interlocking projections. Join units end-to-end or side-by-side to scale the charge from 250g to any multiple, with no upper limit. Use as a standard demolition charge, a countermining charge, or a booster to initiate larger charges. Attach with HydroTape™, Breacher's Tape™, or magnetic pads. Covered in our Demolitions & Sabotage training.
Scales from 250g upward in 250g or 500g increments, by locking units end-to-end or side-by-side using the integral hinge and pin system
Conforms to curved surfaces. The side-by-side configuration maintains good charge contact on pipelines, cylinders, and non-planar structural targets
Three initiation points on every unit: two on the side, one on the end, usable in any array configuration
UDB500 accepts full PE7 cartridges in their original wrapping; both sizes accommodate cut or moulded plastic explosive
Colour-coded by size. UDB250 is beige; UDB500 is grey, for immediate identification under field conditions
Doubles as a booster for initiating larger charges in demolition operations
Deployment to Target
UDB can arranged end-to-end using the end rail or configured side-by-side using a simple hinge and pin system. The side-by-side charges have the advantage of being fitted to a curved surface while maintaining good charge contact.The side-by-side method enables use as a slab demolition charge, with charge weight scaled in multiples of 250g or 500g.
The internal dimensions of the loading trays accommodate either 250g or 500g of most military or commercial plastic explosives. Explicitly designed for PE7, cartridges can be inserted into the UDB in their original wrapping. Alternatively, explosives can be cut to size or moulded into the explosive tray ready for use.
Operators requiring additional attachment methods can use HydroTape™, Breacher’s Tape™ and magnetic pads.
Kit Contents
Each Universal Demolition Block is supplied with an accessory pack to enable inter-connection, fitting of initiators, attachment pad eyes and blanking plugs.
Specifications
| UDB250 | UDB500 | |
| Dimensions | 58 x 117 x 30 mm | 58 x 195 x 30 mm |
| Weight when empty | 100g | 120g |
| Weight when filled | 350g | 620g |
| NEQ | 250g | 500g |
| Part no. | DB1001 | DB5001 |
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