Posted by johnover 3 years ago
Material property of coating on CP 670 Firestop Board
What is the material property of the coating on CP 670 Board? Is there any available UL reference using CP 670 for large openings?
1 Reply
Posted by Rainier Cruzover 3 years ago
Hi John. Thank you for your question. CP 670 Coated board system is a great solution for mid-large size openings. however, CP 670 solutions won't likely be assessed to UL standards as this won't pass and withstand the hose stream pressure test requirement by UL 1479/ASTM E814. You may want to refer to the ETA document for such application if permitted.