* Selecting a product from a General Shale plant nearest your construction site can significantly reduce your cost of delivery.

Sentinel 100 Mailbox

Manufactured in our Piney Flats, TN Plant*

There’s nothing like a great first impression. Create a beautiful one at the entrance of your home with the Sentinel mailbox. This is a do-it-yourself (DIY) product requiring Novice-level building knowledge to install.

Where to Buy Sample Sheet

Sentinel 100 Mailbox

Manufactured in our Piney Flats, TN Plant*

There’s nothing like a great first impression. Create a beautiful one at the entrance of your home with the Sentinel mailbox. This is a do-it-yourself (DIY) product requiring Novice-level building knowledge to install.

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