News Releases

April 12, 2005

International Barrier Releases the First Series of Technical Bulletins That Substantiate the Superior Strength of Blazeguard as a Construction Material

WATKINS, Minn. & VANCOUVER, B.C., April 12, 2005 - International Barrier Technology Inc. ("Barrier") (OTCBB: IBTGF; TSXV: IBH), a manufacturer of proprietary fire resistant building materials, recently released two technical bulletins, detailing improvements in load strength and nail pullout resistance over traditional building materials.

The Blazeguard® brand of fire resistant deck panelling was tested according to APA Test Method S-2 for ability to withstand uniform loading by Progressive Engineering, Inc., of Goshen, IN, an ISO certified facility. The Blazeguard® FR Deck Panel C showed significant improvement in ultimate load strength over untreated substrate, a result which should be considered whenever design loads are a deciding factor in fire resistant panel selection.

The same deck panel (also known as Mule-Hide FR Deck Panel C) was also tested by Progressive Engineering for nail withdrawal resistance. These test results showed that in situations where nail pullout or wind lift resistance is a concern, Blazeguard® panelling was found to be over 50% more resistant than untreated 7/16" OSB substrate.

Blazeguard® has many properties which are superior to alternate fire rated material choices" said Michael Huddy, Ph.D., International Barrier's President. "The certification of these properties through a nationally recognized organization enables architects and building design specifiers to use these properties to their advantage, providing greater market opportunity and sales. Strength gain and nail pull, in particular, will help modular builders design and build roof decks for snow, wind and earthquake zones more efficiently."

The results of these two tests demonstrate that in addition to Blazeguard's® fire resistant capabilities, the panelling also exhibits inherent compositional strengths that exceed APA requirements and criteria. These strengths are proven to result in structural improvements over traditional untreated building materials.

About International Barrier Technology Inc.
International Barrier Technology, Inc. develops, manufactures, and markets proprietary fire resistant building materials. Its patented, non-combustible, non-toxic Pyrotite formulation has an extraordinary capability: it releases water when exposed to the heat of fire. Barrier's award-winning Blazeguard wood panels exceed International Building Code requirements in every targeted fire test and application, and uniquely combine properties that increase panel strength and minimize environmental and human impact. Blazeguard customers include D.R. Horton (DHI: NYSE), KB Home (KBH: NYSE), and Lennar (LEN: NYSE). Lowe's Companies (LOW: NYSE), Stock Building Supply, and Mule-Hide Products Co., Inc. are Blazeguard distributors. Pyrotite has potential applications with engineered wood products, paint, plastics, and expanded polystyrene

Barrier is part of the DJ Building Materials Index (US)

INTERNATIONAL BARRIER TECHNOLOGY INC.

Per: "David J. Corcoran"

_______________________
David J. Corcoran
CFO, Director

THE TSX VENTURE EXCHANGE HAS NOT REVIEWED AND DOES NOT ACCEPT RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THE CONTENT OF THIS PRESS RELEASE.

Forward-Looking Information: The statements in this news release contain forward-looking information within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve certain risks, assumptions and uncertainties, including but not limited to the ability to generate and secure product sales. In each case actual results may differ materially from such forward-looking statements. The company does not undertake to publicly update or revise its forward-looking statements even if experience or future changes make it clear that any projected results (expressed or modified) will not be realized.

Contact:
International Barrier Technology Inc.
Richard Angle, 866-735-3519
ir@intlbarrier.com 
or
ECON Investor Relations, Inc.
Peter Kletas, 866-948-0848
pkletas@investorideas.com 

Source: International Barrier Technology Inc.

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