- Available Certified ISO Grade™ Designs: ISO 5, ISO 6, ISO 7, ISO 8
- Includes declaration of listing under UL File Number R39784 for Terra fire-rated window(s).

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UL Listing Declaration for Fire-Rated Windows
Custom-configured product: Please request quote. Terra will contact you for requirements.
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Summary
- Available Certified ISO Grade™ Designs: ISO 5, ISO 6, ISO 7, ISO 8
- Includes declaration of listing under UL File Number R39784 for Terra fire-rated window(s).
- OPTIONAL - UL listing helps meet municipal and other permitting requirements that may be required for a fire-rated window.
- UL listing ensures safety and integrity of fire-rated window, as evaluated by independent third-party UL (Underwriters Laboratories).
- Ensuring the safety of your personnel, equipment, and facility is essential. UL is recognized around the world as the leader in product safety testing and certification. Terra's UL-listed fire-rated windows are manufactured to the highest standards to maintain the integrity of your facility’s certified fire-rated wall.
- After certification, Underwriters Laboratories (UL) conducts monthly inspections and audits to maintain product quality and ensure ongoing compliance with safety standards for which the products were initially certified.
