23"x42" Stainless Back Wall Plate with Hole

If you're looking for a 23" x 42" stainless steel back wall plate (heat shield) WITH a hole, here are your best options:

Product ID: SB216

1. Purpose of the Hole

• Typically for a stovepipe passthrough (single-wall or double-wall chimney connector).

• May also be for ventilation, mounting hardware, or wiring.

2. Where to Find a Pre-Made Plate

Since this is a custom size, you may need to:

• Order from a Fireplace/Stove Supplier

  • Check Rockford Chimney, Northline Express, or Menards (some offer custom-cut plates).

  • Specify:

    • Material: 304 or 430 stainless steel (24-gauge or thicker).

    • Hole Size & Position: Common hole diameters are 6" or 8" (match your stovepipe).

• Local Metal Fabrication Shop

  • Provide exact dimensions (23"x42") and hole placement (center/offset).

3. DIY Option

• Buy a blank stainless sheet (24"x48" is common) and:

  1. Cut it to 23"x42" (angle grinder or metal shears).

  2. Drill/punch a hole using a hole saw (for clean edges).

  3. Deburr edges with a file or sandpaper.

4. Installation Requirements

• Clearance: Maintain 1" air gap behind the plate (use ceramic spacers).

• Hole Placement: Must align with your stovepipe or venting system.

• Fire Code Compliance: Verify local clearance rules (NFPA 211 standards).

Would you like recommendations for specific suppliers or help determining the correct hole size/placement? Let me know your stove model or pipe type!