Can I Stack Two 4 Drawer Metal Filing Cabinets?
Stacking filing cabinets can be a great way to save floor space in an office or home. However, there are some important factors to consider before stacking metal filing cabinets to ensure stability and safety. Here is a detailed guide on whether and how to stack two 4-drawer metal filing cabinets.
Overview of Stacking Filing Cabinets
Stacking two filing cabinets on top of each other effectively doubles your storage capacity while taking up the same floor footprint of one cabinet. This vertical storage solution is ideal for small offices and compact home offices where horizontal floor space is limited.
Metal filing cabinets are often designed with interlocking mechanisms that allow two cabinets to be securely stacked. The top cabinet rests on the top frame of the bottom cabinet. Anti-tip stabilization features like outrigger feet further enhance stability.
When stacked properly using manufacturer instructions, two vertically aligned metal filing cabinets can safely hold hundreds of pounds of files and supplies without tipping. However, improper stacking can lead to a potentially dangerous situation.
Factors to Consider Before Stacking
Before deciding to stack two metal filing cabinets, consider the following factors:
Weight Capacity
- Check the product specifications to determine the recommended weight capacity for stacking. Many 4-drawer cabinets can safely support another 4-drawer cabinet of the same model. Exceeding the load capacity can cause the cabinets to collapse.
Matching Cabinets
- For maximum stability, the two cabinets must be the exact same model from the same manufacturer. The interlocking rails and feet are designed to align properly. Mixing and matching different cabinet designs is not recommended.
Locking Mechanisms
- Some filing cabinets have built-in locking features on the linking rails that securely hold the two units together. Models without locking mechanisms might require additional braces or fasteners.
Location and Flooring
- Only stack cabinets on level floors with the full surface area supported. Stacking on uneven floors or carpeting increases risk of tipping. Never stack cabinets in earthquake-prone areas.
Access and Usage Factors
- Consider how frequently you will need to access the upper cabinet. The lower cabinet should hold the most frequently accessed files. Stacking will make accessing the upper cabinet more inconvenient.
- Also consider the risk of overloading. Loading too many heavy files in the top cabinet raises the center of gravity and tips the cabinet forward. Overloading lower drawers can also compromise stability.
Safe Stacking Steps
Follow these steps to safely stack two 4-drawer metal filing cabinets:
1. Empty the Cabinets
Remove all contents before stacking. This lightens the load and allows the cabinets to properly interlock without obstruction.
2. Check Leveling Feet
Adjustable leveling feet on the bottom of the cabinets should be fully extended and engaged to ensure maximum contact with the floor.
3. Align Interlocking Rails
Most metal cabinets have built-in side rails designed to connect vertically. Align the top rails of the bottom cabinet with the bottom rails of the upper cabinet.
4. Lower and Connect
Slowly lower the top cabinet into place guiding the rails into the receiving rails on the bottom cabinet. The upper cabinet should settle fully onto the base cabinet.
5. Engage Locking Mechanisms
If equipped with rail locks, engage the lock tabs following the manufacturer instructions to firmly secure the two cabinets together.
6. Install Anti-Tip Braces
Securely attach anti-tip stabilization bars or L-brackets on the back top side of the bottom cabinet and the bottom back side of the top cabinet.
7. Level the Stacked Cabinets
Adjust front leveling feet as needed to level the stacked cabinets. The full footprint should sit flush on the floor without rocking.
8. Reinstall Contents
Start by loading the bottom drawers first. Evenly distribute weight in each drawer and cabinet. Avoid top-heavy loading.
Using Cautions
Once safely stacked, use these precautions when using your doubled-up filing cabinets:
- Open only one top or bottom drawer at a time to avoid tip-over hazards.
- Minimize opening the top cabinet to only when necessary. Use step stools to safely reach.
- Avoid excessive loads in the top cabinet. Distribute weight evenly top to bottom.
- Bolt cabinets to wall studs for added stability if desired.
- Never allow children to climb on or play around stacked filing cabinets.
- Use earthquake restraints if stacking in seismic zones.
Conclusion
When stacked properly following the manufacturer’s instructions, two 4-drawer metal filing cabinets can effectively double your storage capacity. Ensure the cabinets are designed for stacking, weight loads are even and under capacity, anti-tip features are installed, and caution is used when accessing the top cabinet. With the right precautions, stacking filing cabinets can provide a safe and stable vertical storage solution.