Model WB-FR 800
This professional access door is both UL and Warnock Hersey labeled and is approved for use in 2-hour fire-rated wall assemblies. The door features an integrated automatic panel closer and an inside panel release mechanism, allowing for safe egress and entry from both sides.
Underwriters Laboratories (Northbrook, IL) provides a 1-1/2 hour “B” label certification with a 250°F maximum temperature rise in 30 minutes for vertical installations (File #R10364(N)). Additionally, Warnock Hersey International (Pittsburgh, CA) provides a 1-1/2 hour fire rating for vertical wall assemblies (Issue #7165), and the unit holds California State Fire Marshall Approval #3325-1246:103. This fire-rated access door is engineered to meet strict safety standards for 2-hour fire-rated wall assemblies.
Specifications
Door: 18-gauge steel.
Return Frame & Trim: 16-gauge steel
Insulation: 1-7/8″ thick mineral wool contained within door cavity.
Hinges: Fully concealed, pivot type hinge. Allows opening to 140°.
Latches: Self-latching direct action latch, opposite hinge. The latch will accept both key and knurled knob which will be included with each door.
Automatic Panel Closer: Furnished on all doors.
Inside Panel Release: Furnished on all doors.
Finish: Electrostatically applied baked white enamel coat over rust-inhibiting phosphate treated steel. This coating can be used as a finish or as a prime coat.
Packaging and Options
Optional Finish: (AT EXTRA COST) Stainless Steel Type 304 or Type 316 No. 4 Satin Finish. Stainless Steel “B” label door up to and including 36″x36″ size (S.S. throughout. Model WB-FRSS Standard), Zinc coating.
Options: (AT EXTRA COST) Mortise Cylinder Prep, Hot Smoke Seal Gasketing Ceiling Installation: To comply with current fire regulation, largest size acceptable is 24″ x 36″.
Diagrams and Model Sizes
| Door Size | Wall Opening | Hinges | Slam Catch | Shipping Wt. Lbs. Steel/Stainless |
| *8″x8″ | 8 1/4×8 1/4 | 1 | 1 | 7 |
| *10″x10″ | 10 1/4×10 1/4 | 1 | 1 | 10 |
| *12″x12″ | 12 1/4×12 1/4 | 1 | 1 | 12 |
| *12″x18″ | 12 1/4×18 1/4 | 1 | 1 | 21 |
| 12″x24″ | 12 1/4×24 1/4 | 1 | 1 | 22 |
| 14″x14″ | 14 1/4×14 1/4 | 1 | 1 | 14 |
| *16″x16″ | 16 1/4×16 1/4 | 1 | 1 | 18 |
| *18″x18 | 18 1/4×18 1/4 | 1 | 1 | 21 |
| 18″x24″ | 18 1/4×24 1/4 | 1 | 1 | 26 |
| 20″x20″ | 20 1/4×20 1/4 | 1 | 1 | 26 |
| 20″x30″ | 20 1/4×30 1/4 | 1 | 2 | 38 |
| 21″x36″ | 21 1/4×36 1/4 | 1 | 1 | 43 |
| 22″x22″ | 22 1/4×22 1/4 | 1 | 1 | 29 |
| 22″x24″ | 22 1/4×24 1/4 | 1 | 1 | 30 |
| 22″x30″ | 22 1/4×30 1/4 | 1 | 2 | 37 |
| 22″x36″ | 22 1/4×36 1/4 | 1 | 2 | 44 |
| *24″x24″ | 24 1/4×24 1/4 | 1 | 1 | 32 |
| 24″x30″ | 24 1/4×30 1/4 | 1 | 2 | 40 |
| 24″x36″ | 24 1/4×36 1/4 | 1 | 2 | 46 |
| •24″x48″ | 24 1/4×48 1/4 | 1 | 2 | 62 |
| •30″x30″ | 30 1/4×30 1/4 | 1 | 2 | 50 |
| •32″x32″ | 32 1/4×32 1/4 | 1 | 2 | 54 |
| •36″x36″ | 36 1/4×36 1/4 | 1 | 2 | 67 |
| •36″x48″ | 36 1/4×48 1/4 | 1 | 2 | 83 |
| •48″x48″ | 48 1/4×48 1/4 | 1 | 2 | 104 |
*Standard in Stainless Steel
• Intended for vertical (wall) application only