An official website of the United States government
Here's how you know
Official websites use .gov A
.gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A
lock (
) or https:// means you've safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
For general questions, contact:
National Customer Service Center
Call: 1-800-488-3111
Email: ncsccustomer.service@gsa.gov
System Notice: eLibrary is experiencing an issue with MAS 8(a) Pool participant identification. Please reach out to maspmo@gsa.gov to confirm MAS 8(a) pool status.
Roofing Products and Services Solutions Includes roofing products, services, and associated materials for the repair or replacement of a roof. Services include installation and site preparation in support of the repair or replacement of a roof. This SIN may be used to satisfy a requirement for materials only, services/labor only, or a comprehensive requirement for both. For ordering limitations and information, refer to the Special Ordering Procedures/Ordering Guide posted on www.gsa.gov.
