2 Hour Fire Rated Insulated Flush Access Panel for Walls. 16 Gauge Steel with 1" Paintable Flange. White Powder Coated. Available in Multiple sizes. Universal Latch Standard. FD Series 2 Hour Fire Rated Flush, Insulated Access Panel for Walls meets testing standards: UL10B, CAN/ULC-S104, ASTME152.Access Panels are rated 1-1/2 hours for 2 hour fire barriers for vertical...