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Fire Rated T-Stop Frame: 20-Minute
20-Minute: Flat Jambs with T-stop
Email for Quote
Includes T-Stop, Preps for hinge & strike. Casing not included. Not Returnable once machined.
Rated for Neutral and Positive pressure (if used with a positive pressure door).
- Jamb Thickness: 11/16”; T-Stop: 5/8” x 1-1/2”; Min. Casing Size: ¼” x 1-1/2” (not included)
- For 1-3/4" thick 20-minute doors
- Priced in Poplar and Red Oak in Wall Sizes: from 4-9/16" to 7-1/2"
- Maximum Door Opening: 8’ x 8’; Requires 5/8” drywall
- Max. gap between jamb & stud is ¼”. Wider gaps may be filled with fiberglass. Wood shims must be placed behind nails, hinges and strike.
- Max distance between nails is 24” for frame & 12” for stop and casing.
- Smoke Gasket is required see S88 below (not included in price)
- Note: to maintain a fire rating the frames must be machined by B&B or another certified labeler
Email for quote for other frame sizes and species not listed
For Door Frames - adhesive backed - Dark Brown
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Updates:
- Schlage Residential Increase 10% 5/29/26
- Hours: M,T,W,TH 8:00 to 4:30; Friday 8:00 to 4:00
- Questions? sales@bbwood.com
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