The KRP-450FR has a textured frame and bead so drywall joint compound can be applied in sufficient thickness to conceal the flange.
The KRP-450FR is non-insulated for wall installation only and rated by Underwriters Laboratories for 1.5 hour “B” label in walls.
Spec Sheet
| Door Size H × W (in.) | Door Size H × W (mm) | Wall/Ceiling Opening H × W (in.) | No. of Stud Catches/Latches | Shipping Wt. (lbs.) | Shipping Wt. (kg.) |
| 8 × 8 | 203 × 203 | 8 3/8 × 8 3/8 | 1 | 4.3 | 2 |
| 12 × 12 | 305 × 305 | 12 3/8 × 12 3/8 | 1 | 7.2 | 3.3 |
| 14 × 14 | 356 × 356 | 14 3/8 × 14 3/8 | 1 | 8.3 | 3.8 |
| 16 × 16 | 406 × 406 | 16 3/8 × 16 3/8 | 1 | 9.9 | 4.5 |
| 18 × 18 | 457 × 457 | 18 3/8 × 18 3/8 | 1 | 11.7 | 5.3 |
| 24 × 24 | 610 × 610 | 24 3/8 × 24 3/8 | 1 | 17.4 | 7.9 |
| 30 × 22 | 762 × 554 | 30 3/8 × 22 3/8 | 1 | 19.1 | 8.7 |
| 30 × 30 | 762 × 762 | 30 3/8 × 30 3/8 | 2 | 23.9 | 10.8 |
| 36 × 24 | 914 × 610 | 36 3/8 × 24 3/8 | 2 | 24.1 | 11 |
| 36 × 36 | 914 × 914 | 36 3/8 × 36 3/8 | 2 | 33.5 | 15.2 |