At Specified Technologies Inc. (STI) we focus solely on the firestopping business. With over 25 years of firestopping experience, the founders of STI are committed to the development of innovative, reliable firestopping solutions.
🍪 We use cookies to offer you a better browsing experience, analyze site traffic,
personalize content, and serve targeted advertisements. Read about how we use
cookies and how you can control them by clicking here.
Click "cookie settings" to adjust your preferences.