Off the Wall: New Mounting Options for 4C Mailboxes

August 6, 2012

Versatile 4C mailboxes are the US Postal Service (USPS) standard for Commercial Mailboxes in multi-tenant buildings. Traditionally commercial 4C mailboxes have been recessed into an apartment or office mailroom wall. But three new mailbox mounting options are now available for 4C mailboxes, tripling the number of applications that can utilize this standard bearer in commercial multi-tenant mailboxes.

The three new 4C mailbox installation options include:

  1. Surface Mounted Mailboxes
  2. Mailbox Stands (and Shelters)
  3. Pedestal Mounted Mailboxes

4C Surface Mounted MailboxesSurface Mount 4C Mailboxes

One of the most popular new mounting options for the 4C mailboxes is the surface mount.  By purchasing a simple surface mount collar, the 4C mailboxes can be mounted on any conventionally constructed wood-stud wall. No longer does the architect or building manager need to locate a wall with room to recess the units behind it.  Surface mount apartment mailboxes ensure the walls available for 4C mailbox installation are wide open. “The surface mounting option is crucial for applications where wall depth is not available for commercial 4C mailboxes,” notes one leading architect, “and the client is always pleased by the quality and finish.”

Regardless of what size you select from available versatile 4C mailbox suites, or which color is chosen, a specific surface mount collar can be ordered to match the size and finish. The look is clean and no collar to 4C mailbox connections is visible.  While the surface mount collar exceeds US Postal Service guidelines, it is always advisable to seek local postmaster approval before undertaking this type of 4C mailbox installation.

You might also like our article entitled 4C Mailbox Installation Steps.

Florence 4C Pedestal Mailboxes4C Mailbox Stands

Another new mounting option for 4C mailbox installation is the increasingly popular Vario Depot mailbox stands. These innovative 4C mailbox stands are wall-independent allowing building managers to place multi-unit mailboxes in the best possible locations for their tenants. The 4C Vario Depot mailbox stands are pre-engineered, crafted of aluminum, and are available in six powder-coat finishes. The mailbox stand design complies with US Postal Service requirements and may be utilized in indoor or outdoor mail delivery applications. The kits are complete with all installation hardware (except for the anchor system).

Pedestal Mounted 4C Mailboxes

UPDATE: 4C Pedestal Mailboxes have been discontinued as of November 30, 2020. The USPS Cluster Box Unit (CBU) Mailbox is now the standard for all multi-family mail delivery.

A third option for mounting 4C mailboxes, the pedestal mount, is the newest in the marketplace and is now widely used in new multi-tenant buildings. Like many new products in the postal marketplace, local postmaster approval is required before installing and using pedestal mounted 4C mailboxes.  As many commercial mailbox buyers are aware, the addition of a pedestal to 4C mailboxes allows the 4C mailbox units to increase the typical 16-tenant door maximum (that CBU mailboxes offer) to 29-tenant mailbox doors.  By adding more tenant doors per unit, many 4C mailbox buyers can reduce the cost per tenant mailbox expenditure. But even more importantly, by utilizing pedestal 4C mailboxes, these units are completely wall independent and may be placed anywhere the postal service will approve.


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