Fire-Rated Diamond Tread Floor Door
Nystrom’s Fire-Rated Diamond Tread Floor Door is designed to contain a fire from penetrating through the opening. This floor door is reinforced for pedestrian traffic loads and features a diamond tread cover. Interior applications only.
- 2- or 3-hour Fire-Rated
- Diamond Tread
- Interior Use
- Concrete or Wood Installation
- 300psf, Pedestrian Load
|Load||300psf live load|
|Material||Aluminum: 1/4 inch, mill finish, gray primer on exterior frame (for cast-in only)|
|Cover||Diamond tread plate|
|Fire-Rating||2-hour or 3-hour|
|Installation||Cast-In or Bolt-In|
|Spring||Gas spring, Type 316 Stainless Steel|
|Hinge||Heavy-duty Type 316 Stainless Steel butt hinge|
|Latch||Two-point slam latch, zinc plated steel, with inside pull release cable, includes removable 5/16 inch steel square “L” handle and threaded plug|
|Minimum Size||24 inches by 24 inches|
|Maximum Size||48 inches by 60 inches|
|Options||Self-closing mechanism automatically closes door at 165°F in event of fire, dampers for slow opening|
Use the table below to guide specification of available options. The part number components are indicated in BOLD ORANGE text.
|RM - 2-Hour
CM - 3-Hour
24" x 24"
30" x 30"
30" x 36"
36" x 36"
42" x 42"
48" x 48"
48" x 60"
|SC - Self-Closing Mechanism
W - Wood Frame Install
|A - Anchor
B - Bolt-In
Additional sizes and options available, call for more information.
NYSTROM warrants all Floor Doors to be free from manufacturing defects in materials, factory finishes, and workmanship for a period of five (5) years from the date of shipment.
Should a product fail to function in normal use within this period, Nystrom shall furnish a replacement or new part at Nystrom's discretion. Failure to use product in methods consistent with Nystrom product manuals shall relieve Nystrom of any liability. Our liability under this warranty excludes installation or removal costs involved in the product replacement and excludes any responsibility for incidental or consequential damage of any nature.
For information on a warranty claim, please visit our Warranty Support section or call 800 547-2635.
Download the retrofit kit drawing below for replacement partsRetro Kit