Design Professional Help Center

The section of our website is designed to cater specifically to architects, engineers or contractors looking to spec quality engineered mailboxes. Click on any of the links to our partner programs below to review an assortment of mailbox specifications and mailbox CAD drawings. Featuring a massive variety of mailbox details and other product information, each of these powerful tools will aid anyone researching the right mailbox for the job.

Effective Date: October 6th, 2006. The USPS replaces Standard 4B Mailboxes with a new Standard - designated USPS Standard 4C, Wall-Mounted Centralized Mailbox. Buildings with permits dated on or after October 5th, 2006 must have USPS STD-4C receptacles to receive Postal deliveries. Click here for more information.

Create Custom 3-Part Specs Fast! Click on ARCAT's SpecWizard - you can quickly create, download or print a custom spec featuring our mailboxes. Generate a custom spec for your project using the new 4C Mailboxes or Cluster Mailboxes in seconds!

Our commitment is providing the best mailboxes in the industry - but we also focus on providing vast architectural details on our mailbox design. Postal Products Unlimited researches and analyzes the best applications available that we feel will provide the best value-add to design professionals that use our products.

We take great pride in our USPS approved mailbox products and want to ensure you get the right mailbox specified for your project. ARCAT's SpecWizard is one of our featured web based applications; this program allows any design professional to generate a customized 3-part CSI spec precisely for the project at hand. Our talented sales staff will also assist you with this program. Contact Postal Products today and we'll email or fax a custom spec to you within minutes. It's that easy!

Remember to bookmark this page for easy access to mailbox specifications and mailbox CAD drawings for some of the very best mailboxes available!