McGraw-Hill Construction, Tectonic Network Team with NIBS to Launch ProductGuide

Las Vegas, NV - May 19, 2005 - - National Institute of Building Sciences (NIBS), in alliance with McGraw- Hill Construction a division of McGraw Hill (NYSE:MHP) and Tectonic Network, Inc.(OTCBB:TNWK), today launched ProductGuide™, the first online database of building products that complies with Unified Facilities Guide Specifications (UFGS) requirements for products used in building construction projects funded by Department of Defense (DoD), military agencies, and NASA.

ProductGuide serves architects, engineers, construction managers, general contractors, and subcontractors involved in identifying and selecting building products for federal construction projects as well as project managers at DoD, military agencies, and NASA.

"This new tool will substantially reduce the time needed to identify compliant products. Before ProductGuide, product selection for DoD, military agencies, and NASA projects often required up to 150% more time than comparable private sector projects," stated David Harris, FAIA, NIBS President. "ProductGuide also reduces the risk and uncertainty associated with specifying products for DoD, military agencies, and NASA projects because the database contains only UFGS compliant products. The database will increase the productivity of design and construction firms involved with these construction programs."

Mr. Harris also noted that "Building Product Manufacturers with listed products also stand to gain a greater share of the over $9B of the DoD, military agencies, and NASA construction budget. ProductGuide offers a cost-effective option for reaching this segment of the construction market, which accounts for about five percent of the nation's construction market."

With ProductGuide, industry professionals, for the first time, will find UFGS compliant products in one place. ProductGuide spells out product compliance requirements in a "Federal Compliance Matrix," an easy-to-read standardized chart that identifies applicable federal guide specifications and standards for products listed by manufacturers.

ProductGuide is a service of the Whole Building Design Guide (WBDG), the only online source for DoD's, military agencies', and NASA's design and construction criteria. With ProductGuide, WBDG users can search for products compliant with these criteria without switching to other websites. Scheduled to open in August 2005, the ProductGuide database is free to users.

"McGraw-Hill Construction is pleased to have this opportunity to leverage our existing capabilities to provide another online outlet for building product manufacturers, as well as make the job of finding compliant products easier for construction professionals," said Norbert W. Young, Jr., FAIA, President, McGraw-Hill Construction. "We have been operating a dynamic online business tool at www.construction.com which connects people, projects, and products for commercial projects, so our knowledge base in this area, and the marketing capabilities to make it a success, lends itself perfectly for those who want to do business under DoD building requirements."

Arol Wolford, President and CEO of Tectonic Network, Inc., added, "Tectonic Network is pleased to have this opportunity to partner with NIBS and McGraw-Hill Construction on this important product. ProductGuide provides an opportunity for our customers to more effectively reach the important DoD construction market, and we are excited to be in a position to offer this service to our community."

Under the agreement with NIBS, McGraw-Hill Construction and Tectonic Network, Inc. will market ProductGuide to building product manufacturers, beginning mid-May 2005. Tectonic Network, Inc. and McGraw-Hill Construction will also offer consulting services to help building product manufacturers organize and deliver their product information in the ProductGuide prescribed format, making it easier for manufacturers to successfully participate in the program. NIBS will manage the subscriber listings and maintain the online database.

About National Institute of Building Sciences www.nibs.org
Founded in 1974, NIBS is a non-profit, non-governmental organization that develops and disseminates information on building science and technology issues. NIBS operates the Building Environment & Thermal Envelope Council, Building Seismic Safety Council, Facility Information Council, International Alliance for Interoperability, Multihazard Mitigation Council, and Facility Maintenance and Operations Committee. NIBS also publishes the U.S. National CAD Standard and the Asbestos and Lead-Based Paint Guidance Manuals. NIBS manages and maintains the Whole Building Design Guide (WBDG), the only web portal for federal design guidelines and Construction Criteria Base (CCB), the single integrated source for all federal facilities design and construction criteria.

About McGraw-Hill Construction www.construction.com
McGraw-Hill Construction connects people, projects and products across the design and construction industry. From project and product information to industry news, trends and forecasts, the Company provides industry players the tools, resources and applications that help them save time, money, and energy, especially through the new McGraw-Hill Construction Network TM. Backed by the power of Dodge, Sweets, Architectural Record, Engineering News-Record (ENR) and 12 Regional Publications, McGraw-Hill Construction serves more than one million customers within the $4 trillion global construction community.

About Tectonic Network, Inc. www.tectonicnetwork.com
Tectonic Network, Inc. (OTCBB:TNWK) is an information management company providing products and services that enable building product manufacturers to more effectively reach and serve their markets. The company provides end-to-end marketing and sales support solutions that connect buyers and sellers of building products and construction services. Its products and services make it easier for designers, architects, contractors, and owners to find, select, and buy commercial building products and construction equipment. With the company's significant combined user base, it also delivers higher market awareness and more efficient sales channels for its clients.