Twist lock connection provides a strong, secure fit between support box and chimney
ThermalTech blanket insulation eliminates hot spots for enhanced safety
Approved for most fuel types for versatile installation
Fits between standard 16 inch joists and most manufactured home applications for flexible placement
Includes 2 inch wide trim collar for added support
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DuraVent DuraTech Square Ceiling Support Box
Introducing the DuraVent DuraTech Square Ceiling Support Box—a robust solution for supporting chimney pipes in flat, cathedral, and short attic spaces. Key Features
Versatile Application: Suitable for flat and cathedral (A-Frame) ceilings and short attic spaces.