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Fire Resistive Steel Doors for Suspended Ceilings (Style ATR) |
- 1-1/2" recess finishes flush with ceiling when two layers of 3/4" wallboard or one each of wallboard and acoustical materials are installed
- With wallboard installed, maintains fire rating of ceiling
- Can be installed in channel suspension or T-suspension systems
- Sizes 12" x 12" to 24" x 36" (Special sizes available)
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