16" Rough-In Ceiling Support Flange

The RectorSeal 81965 Airtec Ceiling Support Flange provides a durable, easy-to-install rough-in frame for ceiling grille and diffuser mounting applications.

Engineered for precision and strength, this ceiling support flange from the Airtec series simplifies installation and alignment of diffusers and registers in drywall or drop ceiling systems. Its rigid construction and preformed design ensure reliable support during and after installation.

• Model number 81965 designates this RectorSeal Airtec Ceiling Support Flange designed for rough-in installation in ceiling HVAC systems.
• Measures 16 inches in length, 12 inches in width, and 3/8 inch in height, providing a stable mounting platform for grilles or diffusers.
• Manufactured from high-strength materials that maintain dimensional stability and resist warping during installation.
• Compatible with standard Airtec ceiling diffusers and ventilation accessories for residential and commercial HVAC applications.

Technical Data & Specifications

• Manufacturer: RectorSeal
• Brand: Airtec
• Model Number: 81965
• Product Type: Ceiling Support Flange, Rough-In
• Length: 16 inches (406 mm)
• Width: 12 inches (305 mm)
• Height: 3/8 inch (9.5 mm)
• Material: Rigid polymer composite (or equivalent durable construction)
• Application: Provides mounting support for ceiling diffusers, grilles, or registers
• Mounting Type: Rough-in frame for drywall or ceiling grid installation
• Compatibility: Designed for Airtec diffusers and compatible HVAC ceiling systems
• Temperature Range: Suitable for standard HVAC operational temperatures
• Installation: Fastens directly to joists or ceiling framing for secure alignment
• Color: Neutral or white (varies by batch)
• Compliance: Meets applicable building and mechanical code requirements
• Manufacturer Warranty: Limited warranty against material or manufacturing defects