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MasterSpec® for Architecture and Engineering Firms

The industry’s most trusted specification content and cloud-based editing tools.


Ready to Buy?

MasterSpec and SpecText licenses can be purchased online in just a few clicks.


MasterSpec®, a product of The American Institute of Architects, is the ultimate resource for producing specifications your way. With MasterSpec master guide specifications — delete what doesn’t apply, add your own customizations, and rest assured that your specifications are current and complete.

Spec Builder

The MasterSpec® Difference

Peer Reviewed

By design professionals for design professionals. MasterSpec content is vetted by unbiased Architects and Engineers.

Powerful Editing Tools

Our on premise and cloud–based tools can help you develop, edit and connect specs to your Revit models.

Special Savings

AIA and ACEC members save 10% on new MasterSpec licenses. Get in touch with us to learn more.

Deltek provides premier solutions used by leading industry firms. Backed by a team of experts from all corners of the AEC industry, our solutions and services benefit the building life cycle from end to end.

Features and Benefits

  • 900+ specification sections
  • 16 practice based libraries
  • LEED v4, Green Globes, IgCC, ASHRAE
  • BIM-to-Spec integration
  • More than 7,000 vetted products
  • Specification writing services

See MasterSpec® in Action