Sales of preformed expansion joint fillers (OFF-CON, EXPANTAY) as well as anti-disaster aluminum die cast roof tiles.




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Terms of Use

About the use of this website

The website of TAISEI Inc. (, hereinafter referred to as this website) is operated by TAISEI Inc. (hereinafter referred to as “We”) or its affiliate or agent. Before using this website, please read the following terms of use, and use this website only when you agree to these terms.

1. Links

In principle, you may freely place links to this website. Please specify hyperlink destination on the front page of each content as a rule. When setting up a link, inform us of your name, contact information (address, telephone number, and e-mail address) and the URL of the website linked. However, links from websites that may damage the credibility of this website and websites significantly do not match its purpose may be rejected. Note that this website may be changed or deleted without notice.

2. About copyright and other rights

Rights concerning all content appearing on this website belong to us, and our related companies and business partners. It is strictly prohibited to use, duplicate, or cite content appearing on this website without permission.

3. Trademarks

All trademarks and service marks on this website are owned and used by us, and our related companies and business partners. It is strictly prohibited to use them without permission.

4. Disclaimers

Although we provide the service and system of this website and the information appearing on it with great care, we shall accept no responsibility for its completeness, correctness, usefulness, and so on. Users shall use this website at their own responsibility, and we, and our related companies and business partners shall assume no liability for any trouble, loss, or damage caused by using the information on this website or this website itself. Also, the same shall apply to any other website linked to this website.

5. Update of terms

Note that the information of all products, such as suggested retail prices, specifications, release dates, and locations for distribution, may be changed and the operation of this website may be suspended without notice.

6. Operating environment

▼We recommend the following browsers for smooth use of this website.

Personal computer
Microsoft Internet Explorer 8.0 or above
Latest version of Mozilla Firefox
Latest version of Google Chrome
Latest version of Safari


Latest version of Android standard browser
Latest version of iPhone Mobile Safari


Date of enactment: July 1, 2011
Seiji Tateno, Chief Executive Officer