TYPE 2, 3, AND 4 STORAGE MAGAZINES for Explosives, Fireworks & Pyrotechnics
Storage magazines are used in the storage and transportation of both high and low explosives. This brief summary will focus on Type 2, 3, and 4 storage magazines. All of the magazines covered in this summary are rated to store both high and low explosives.
High explosives are materials that will detonate. These include; blasting caps, detonating cord, dynamite, shaped charges, and boosters. Low explosives are materials that deflagrate, producing large volumes of heated gas. These include; black powder, display fireworks, safety fuse igniters, igniter cord, and fuse lighters.
Type 2 Storage Magazines
Type 2 storage magazines can be used for both indoor and outdoor storage, and can be both mobile and portable. All Type 2 magazines must meet or exceed ATF specifications CFR 555.11. These qualifications for Type 2 magazine as defined by the Bureau of Alcohol, Tobacco, and Firearms state that in order for a Type 2 magazine to be in compliance it must have;
double wall, welded construction with 3” or airspace throughout
- exterior walls of 10 gauge, formed, Galvanized steel
- a roof of 16 gauge steel
- interior wall of ⅜” steel plate
Type 2 magazines are manufactured predominantly for the storage of high explosives. These magazines are made for indoor or outdoor placement. As directed by the ATF, these magazines can not hold more than 50 lbs. of explosive materials. Outdoor Type 2 magazines must be built to bullet resistant design. Type 2 magazines are easily portable, and can be housed most places with a flat surface. These magazines are built for turn-key installation, allowing for easy location.
A prime example of a compliant Type 2 storage magazine is the Securall M200 Explosive Storage Magazine.
Type 3 Storage Magazines
Type 3 magazine storage containers are commonly known in layman’s terms as “Day Boxes.” These magazines are utilized mainly in the transportation of high and low explosives to sites in the field, and are to mean to be attended at all times. Per the ATF, “Explosive materials are not to be left unattended in type 3 magazines and must be removed to type 1 or 2 magazines for unattended magazines.
Magazines meeting the criteria for Type 3 classification must be easily portable. Type 3 magazines can be mounted to a vehicle or trailer, or can be left free standing to be carried by hand. A textbook example of the Type 3 storage magazines it the Securall Type 3 Daybox. Features of the Day Box include;
- 12 gauge steel
- Interior lined with ½” plywood
- all spark producing material covered or sealed
- padlock hasps welded, riveted, or bolted with nuts on the inside
- finish of 2 part chemical resistant aliphatic polyurethane
Type 4 Storage Magazines
Type 2 storage magazines are designed for the storage of low or high explosives. These magazines are made of steel, and are weather, fire, and theft resistant. Like its type 2 counterparts, a type 4 magazine is made for indoor, outdoor, portable, or mobile use. However, a type 4 magazine can also be used in a permanent location.
An example of an exemplary Type 4 storage magazine is the Securall M400 Explosive Storage Magazine. This magazine comes equipped with many features, including;
- 12 gauge formed outer wall
- interior lined with ½” plywood sheets
- 2 hooded hasps for padlocks placed on door to prevent tampering or forced entry
- Lift lugs
Larger units of type 4 storage magazines are manufactured with I Beam supports running the length of the structure, and the magazines can be drug along surfaces by the end of the I Beams. These magazines can also be equipped with fork channels and casters to make relocation even more simple.
It should also be noted that 1.3G display fireworks (formerly Class B fireworks) that are for aerial display are to be stored in approved storage magazines. Whether these are for pyrotechnics storage or ATF 54 licensed persons requiring day boxes, our full line of fireworks storage containers and solutions are designed to meet your price point and budget.