ARCHITECTURAL MINERAL CORE 90 MINUTE FIRE LABEL POSITIVE PRESSURE CATEGORY B AMC 90PP-B

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TOP RAIL Standard 1½” Firestop I top rail after final trim VERTICAL STILES Standard ¼”maximum maple wood at centerline of bevel after trim; 27 pcf minimum density, backed with 1” Firestop II hinge and latch stile, single door CORE Georgia-Pacific white mineral core FACE All commercially available species veneers with Premium ‘A’ grade face, medium-density overlay, or tempered hardboard BOTTOM RAIL Standard 1” Firestop I required after final trim; door undercut more than ¾” requires special blocking

WIC CERTIFIED & WDMA PREMIUM GRADE DOOR

DOOR STANDARDS:

• Neutral pressure: 20-minute ITS/ Warnock-Hershey or U.L. fire labels shall be available within size and usage limitations. Fire-rated doors must use approved light frames. Louvers are prohibited in 20-minute fire doors. Neutral pressure
must be noted at time of bid.

• Positive Pressure: fire label is available on 20-minute single doors going into welded or knockdown steel frames. Surfaced-applied smoke gasketing, such as Pemko S88, must be applied to achieve “S” rating (gasketing to be supplied by others). Listed and labeled steel light frames must be used for light openings. Positive pressure must be noted at time of bid.

• Hardware preparation: All cutouts for mortise hardware shall be made at the factory from hardware manufacturer’s templates and approved shop drawings.

• Size & Thickness: Doors shall be 1¾” ± 1/16” thick, and of sizes and designs as indicated on the drawings and schedules. Dimensions indicated are prior to factory trimming and prefitting.

DOOR FEATURES: