Product Description:
Nystrom 2-Hr Rated Horizontal Fire Door Assembly - FDF Series
Approved for use in:
- Wood Framed Construction: 2-Hr wood framed fire rated construction with minimum 9-1/2-in. deep wood framing and gypsum ceiling membrane. Rough opening shall be framed with minimum 2x10 dimensional lumber (double framing). Rough opening shall be lined with 5/8-in. Type X gypsum board, using one layer through the full depth of the wood framing and another four layers to fill the space created by the stepped door construction geometry. The door and frame assembly shall be mechanically fastened to the floor assembly in accordance with the manufacturer's installation instructions.
- Concrete Construction: Minimum 8-in. thick concrete floor construction or minimum 6-in. concrete floor construction with two layers of 5/8-in. thick Type C (Proprietary Type X) gypsum board fastened to the underside of the concrete floor construction to create a 12-in. wide gypsum board perimeter. Fasten the base layer of gypsum to the concrete with minimum 3/16-in. nominal diameter, 1-3/4-in. long concrete screws spaced max. 8 in. on center along the inside and outside perimeter edges. Fasten the face layer of gypsum to the concrete with minimum 3/16-in. nominal diameter, 2-1/4-in. long concrete screws spaced max. 8 in. on center along the inside and outside perimeter edges. The door and frame assembly shall be cast or grouted in place in accordance with the manufacturer's installation instructions.
Load Capacity: 150 psf maximum
Approved Model Designations and Options:
Door is available with 1/4-in. thick diamond aluminum top plate, 1/4-in. thick flat aluminum top plate with 1/8-in. deep door pan for flooring installation, or 1/4-in. thick flat aluminum top plate with 1-in. deep pan for floor installation. Model designations are shown in the table below.
| MODEL |
LOAD |
MATERIAL |
WIDTH |
X |
LENGTH |
|
OPTIONS |
FDF
|
L – 150 PSF
|
A - Aluminum |
Max 52 in. |
|
Max 96 in. |
SWL |
BI – Bolt-In Installation
MC6 – Mortise Lock
P1 – 1” Pan (up to 48x48 only)
PR – Recessed padlock hasp
SC – Self Closing mechanism
T1 – 1/8” Tile
|
RATING
| Standard |
Rating |
| NFPA 288 |
2-Hr |
