PRODUCT DESCRIPTION
AD Systems 45 Minute Sliding Fire Door Assembly is a singly sliding flush fire door with top support track and aluminum jambs. Intended use in fire walls of steel or wood stud and gypsum board construction and masonry openings. For use with a VT Industries Listed and Labeled UL10B 45 Minute Category "A" mineral core fire door. Assembly has been designed for installation with a 3/8 inch gap between finished floor and bottom of door. Available with optional accessories: Listed viewers, Listed vision lights to maximum size 100 in2, and Listed mortised door bottoms. Assembly shall be installed per manufacturers installation instructions and in accordance with NFPA 80.
Size Limitation:
Maximum Nominal Width: 4’-0”
Maximum Nominal Height: 7’-0"
| Dimensions |
| Configuration |
Width |
Height |
| Clear Opening |
40-1/2” |
83-3/8” |
| Door Leaf |
48” |
84” |
| Rough Opening |
47” |
84-3/8” |
| Overall Frame |
94-3/8” |
87-7/8” |
Ratings Achieved
The product noted above has been tested and qualified per UL 10B, NFPA 252, and CAN/ULC S104 for a 45 Minute Neutral Pressure Fire Rating.
The assembly has been tested in accordance with UL 1784 and achieved results in accordance with the table below. Results were achieved at four differential pressures ranging from 0.05 to 0.3 in. water column (12 to 75 Pa).
Air Leakage Ratings
| Pressure (inches H2O) |
Maximum Leakage Rate (scfm/ft2) Ambient Temperature (without artificial bottom seal) |
Maximum Leakage Rate (scfm/ft2) Elevated Temperature (400°F) (without artificial bottom seal) |
Maximum Leakage Rate (scfm/ft2) Ambient Temperature (with artificial bottom seal) |
Maximum Leakage Rate (scfm/ft2) Elevated Temperature (400°F) (with artificial bottom seal) |
| 0.05 |
4.08 |
1.05 |
0.93 |
0.47 |
| 0.10 |
5.97 |
2.68 |
1.62 |
0.89 |
| 0.20 |
9.31 |
4.02 |
2.39 |
0.83 |
| 0.30 |
12.38 |
4.61 |
3.56 |
0.91 |
| Standard/Code Section |
Property |
Results |
UL 1784
|
Max. air leakage at 0.1 and 0.2 in. of w.c. pressure differential at ambient and elevated (400°F) temperature. |
< 3.0 cfm/ft2 as tested with an artificial bottom seal * |
* Note: This assembly was tested with an artificial bottom seal. The assembly is not to be installed in areas where pressurization is provided to control smoke movement in accordance with Section 4.3.2 of NFPA 105 (2019) or for hoistway opening protection and lobby doorways where prohibited in Chapter 30 of the 2018 IBC.
