Duravent Stove Pipe DuraTech Ceiling Box Square, 6" x 11"

The DuraVent DuraTech Ceiling Support Box, part number 6DT-CS11-2, is a square ceiling support box designed to safely support and transition a 6-inch DuraTech chimney pipe through a flat ceiling while maintaining required clearances to combustibles.

What’s included: One (1) square ceiling support box assembly.

Installation limits: Intended for flat ceiling installations only; must be installed according to DuraVent instructions and applicable building and fire codes.

Compatibility: Compatible with 6-inch DuraVent DuraTech chimney pipe systems.

• Engineered for flawless installation and reliable performance:
• Built-in twist‑lock connector — Secures the chimney pipe directly to the support box, no separate adapter needed 
• Supports up to 60 ft of DuraTech chimney — Validated across various models (flat, cathedral, round, square, reduced‑clearance) 
• Multiple ceiling applications — Ideal for flat, cathedral (A‑frame), and short attic spaces (full instructions included) 
• Joist‑friendly installation — Fits standard 16″ on‑center framing and is compatible with most manufactured and mobile homes 
• Versatile stovepipe adapter — Integrated collar accepts both single‑wall and double‑wall stovepipe, including DVL or DuraBlack types 
• Durable finish — Painted black exterior with a matching 2″ trim collar for clean aesthetics 
• Insulation blanket standard — Includes thermal insulation (e.g., rock‑wool in reduced‑clearance models) to enhance safety and code compliance 
• Provides structural support for chimney pipe at the ceiling
• Maintains required clearance to combustible materials
• Square design for clean, finished ceiling transitions
• Designed specifically for DuraVent DuraTech systems
• Supports safe vertical chimney installations
• Commonly used in flat ceiling applications

This ceiling support box helps ensure a safe and code-compliant chimney installation.