For doors 1 3/4 in thick
Adjustable "Z" blades with fire-actuated closure mechanism
The type SDL-FP is recommended for applications where positive fire separation is required with 45% free area. All units equipped with 135° fusible link; tested for compliance and listed by the Underwriters Laboratories, Inc. for use in 1 ½ hour rated doors. The blades are 16 gauge cold rolled steel pivot cadmium-plated steel rivets. Standard finish is a medium bronze baked silicone polyester powder.
Insect and Bird Screens available on request.
- Minimum louver size is 10 in X 8 in
- Non-standard sizes available upon request
- Non-standard finishes available upon request:
- Mineral Bronze Powder Coat (Standard)
- Grey
- AMS Beige
- Sand
- SC Beige
- White
- Silver
- Black/Flat Black
- Brass
- Non-standard door thicknesses available upon request