Section 5104 Inside Storage of Aerosol Products
Aerosol products in plastic containers larger than 4 fluid ounces (118 ml), but not to exceed 33.8 fluid ounces (1000 ml), shall be allowed only where in accordance with this section. The commodity classification shall be Class III commodities, as defined in NFPA 13 where any of the following conditions are met:
- Base product does not have a fire point where tested in accordance with ASTM D92, and nonflammable propellant.
- Base product does not sustain combustion as tested in accordance with Appendix H, "Method of Testing for Sustained Combustibility," in DOTn 49 CFR Part 173, and nonflammable propellant.
- Base product contains up to 20 percent by volume (15.8 percent by weight) of ethanol, isopropyl alcohol or a combination thereof in an aqueous mix, and nonflammable propellant.
- Base product contains 4 percent by weight or less of an emulsified flammable liquefied gas propellant within an aqueous base. The propellant shall remain emulsified for the life of the product. Where such propellant is not permanently emulsified, the propellant shall be nonflammable.
Storage of Level 2 and 3 aerosol products in occupancies in Groups A, B, E, F, I and R shall be limited to the following maximum quantities:
- A net weight of 1,000 pounds (454 kg) of Level 2 aerosol products.
- A net weight of 500 pounds (227 kg) of Level 3 aerosol products.
- A combined net weight of 1,000 pounds (454 kg) of Level 2 and 3 aerosol products.
The maximum quantity shall be increased 100 percent where the excess quantity is stored in storage cabinets in accordance with Section 5704.3.2.
Storage consisting of solid pile, palletized or rack storage of Level 2 and 3 aerosol products not segregated into areas utilized exclusively for the storage of aerosol products shall comply with Table 5104.3.1.
NONSEGREGATED STORAGE OF LEVEL 2 AND 3 AEROSOL PRODUCTS IN GENERAL PURPOSE WAREHOUSESb
AEROSOL LEVEL | MAXIMUM NET WEIGHT PER FLOOR (pounds)b | |||
| Palletized or solid-pile storage | Rack storage | |||
| Unprotected | Protecteda | Unprotected | Protecteda | |
| 2 | 2,500 | 12,000 | 2,500 | 24,000 |
| 3 | 1,000 | 12,000 | 1,000 | 24,000 |
| Combination 2 and 3 | 2,500 | 12,000 | 2,500 | 24,000 |
For SI: 1 foot = 304.8 mm, 1 pound = 0.454 kg, 1 square foot = 0.0929 m2.
- Approved automatic sprinkler system protection and storage arrangements shall comply with NFPA 30B. Sprinkler system protection shall extend 20 feet beyond the storage area containing the aerosol products.
- Storage quantities indicated are the maximum permitted in any 50,000-square-foot area.
Storage of Level 2 and 3 aerosol products segregated into areas utilized exclusively for the storage of aerosol products shall comply with Table 5104.3.2 and Sections 5104.3.2.1 and 5104.3.2.2.
SEGREGATED STORAGE OF LEVEL 2 AND 3 AEROSOL PRODUCTS IN GENERAL PURPOSE WAREHOUSES
| STORAGE SEPARATION | MAXIMUM SEGREGATED STORAGE AREAa | SPRINKLER REQUIREMENTS | |
| Percentage of building area (percent) | Area limitation (square feet) | ||
| Separation areae, f | 15 | 20,000 | Notes b, c |
| Chain-link fence enclosured | 20 | 20,000 | Notes b, c |
| 1-hour fire-resistance-rated interior walls | 20 | 30,000 | Note b |
| 2-hour fire-resistance-rated interior walls | 25 | 40,000 | Note b |
| 3-hour fire-resistance-rated interior walls | 30 | 50,000 | Note b |
For SI: 1 foot = 304.8 mm, 1 square foot = 0.0929 m2.
- The maximum segregated storage area shall be limited to the smaller of the two areas resulting from the percentage of building area limitation and the area limitation.
- Automatic sprinkler system protection in aerosol product storage areas shall comply with NFPA 30B and be approved. Building areas not containing aerosol product storage shall be equipped throughout with an approved automatic sprinkler system in accordance with Section 903.3.1.1.
- Automatic sprinkler system protection in aerosol product storage areas shall comply with NFPA 30B and be approved. Sprinkler system protection shall extend a minimum 20 feet beyond the aerosol storage area.
- Chain-link fence enclosures shall comply with Section 5104.3.2.1.
A separation area shall be defined as an area extending outward from the periphery of the segregated aerosol product storage area as follows.
- The limits of the aerosol product storage shall be clearly marked on the floor.
- The separation distance shall be not less than 25 feet and maintained clear of all materials with a commodity classification greater than Class III in accordance with Section 903.3.1.1.
- Separation areas shall only be permitted where approved.
Chain-link fence enclosures required by Table 5104.3.2 shall comply with the following:
- The fence shall be not less than No. 9 gage steel wire, woven into a maximum 2-inch (51 mm) diamond mesh.
- The fence shall be installed from the floor to the underside of the roof or ceiling above.
- Class IV and high-hazard commodities shall be stored outside of the aerosol storage area and not less than 8 feet (2438 mm) from the fence.
- Access openings in the fence shall be provided with either self- or automatic-closing devices or a labyrinth opening arrangement preventing aerosol containers from rocketing through the access openings.
- Not less than two means of egress shall be provided from the fenced enclosure.
The minimum aisle requirements for segregated storage in general purpose warehouses shall comply with Table 5104.3.2.2.
SEGREGATED STORAGE AISLE WIDTHS AND DISTANCE TO AISLES IN GENERAL PURPOSE WAREHOUSES
| STORAGE CONDITION | MINIMUM AISLE WIDTH (feet) | MAXIMUM DISTANCE FROM STORAGE TO AISLE (feet) |
| Solid pile or palletizeda | 4 feet between piles | 25 |
| Racks with ESFR sprinklersa | 4 feet between racks and adjacent Level 2 and 3 aerosol product storage | 25 |
| Racks without ESFR sprinklersa | 8 feet between racks and adjacent Level 2 and 3 aerosol product storage | 25 |
For SI: 1 foot = 304.8 mm.
- Sprinklers shall comply with NFPA 30B.
Combustible commodities other than flammable and combustible liquids shall be permitted to be stored in an aerosol product warehouse.
Exception: Flammable and combustible liquids in 1-quart (946 ml) metal containers and smaller shall be permitted to be stored in an aerosol product warehouse.
The storage of aerosol products in flammable liquid storage rooms less than or equal to 500 square feet (46 m2) in area shall not exceed the following quantities:
- A net weight of 1,000 pounds (454 kg) of Level 2 aerosol products.
- A net weight of 500 pounds (227 kg) of Level 3 aerosol products.
- A combined net weight of 1,000 pounds (454 kg) of Level 2 and 3 aerosol products.
The storage of aerosol products in flammable liquid storage rooms greater than 500 square feet (46 m2) in area shall not exceed the following quantities:
- A net weight of 2,500 pounds (1135 kg) of Level 2 aerosol products.
- A net weight of 1,000 pounds (454 kg) of Level 3 aerosol products.
- A combined net weight of 2,500 pounds (1135 kg) of Level 2 and 3 aerosol products.
The maximum aggregate storage quantity of Level 2 and 3 aerosol products permitted in separate inside storage rooms protected by an approved automatic sprinkler system in accordance with NFPA 30B shall be 5,000 pounds (2270 kg).
Storage of Level 2 and 3 aerosol products and aerosol cooking spray products in occupancies in Group M shall comply with Table 5104.7. Retail display shall comply with Section 5106.
MAXIMUM QUANTITIES OF LEVEL 2 AND 3 AEROSOL PRODUCTS AND AEROSOL COOKING SPRAY PRODUCTS IN RETAIL STORAGE AREAS
| MAXIMUM NET WEIGHT PER FLOOR (pounds) | |||
| Floor | Nonsegregated storagea, b | Segregated storage | |
| Storage cabinetsb | Separated from retail areac | ||
| Basement | Not Permitted | Not Permitted | Not Permitted |
| Ground | 2,500 | 5,000 | Note d |
| Upper | 500 | 1,000 | Note d |
For SI: 1 pound = 0.454 kg, 1 square foot = 0.0929 m2.
- The total aggregate quantity on display and in storage shall not exceed the maximum retail display quantity indicated in Section 5106.3.
- Storage quantities indicated are the maximum permitted in any 50,000-square-foot area.
- The storage area shall be separated from the retail area with a 1-hour fire-resistance-rated assembly.
- See Table 5104.3.2.