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Fire-Rated Frame Kit
Fire-Rated Frame Kit

Slab view · No design upcharge

KBP Doors

Fire-Rated Frame Kit

Style upcharge: $0

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Style selected: Fire-Rated Frame Kit · Style upcharge: $0

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Ships same day if ordered before 2 PM ET. Free Hartford pickup.

Product Details

KBP 20-Min Fire-Rated Frame Kit — Wood. UL-listed 20-minute fire-rated wood frame, knock-down (KD) construction. Pairs with any KBP 20-minute fire-rated slab. 4-9/16 inch jamb depth (standard interior wall).

  • UL fire-rating label on head jamb
  • Required by NFPA 80 for matched fire-rated door assemblies
  • Fits 32 inch or 36 inch wide x 80 inch tall fire-rated slabs
How to order: Slab vs RTA vs Pre-Hung

Slab — door panel only; use when you already have a frame. Slab + Jamb (RTA) — door plus a knock-down jamb kit you assemble on site. Pre-Hung — door already mounted in a frame with hinges, ready to install.

Shipping & Returns
Orders before 2 PM ET ship same day. Nationwide delivery or free pickup at our Hartford, CT warehouse. Shipped orders are final sale; in-store returns within 30 days with receipt and original packaging.