Broan-NuTone Roof Cap 634 Steel for 3.25″ x 10″ Round Duct, Black

Description

Product Overview

Introducing the Broan-NuTone 634 Steel Roof Cap, a purpose‑built component designed to protect and enhance the performance of residential and light‑commercial ventilation systems. Constructed from 24‑gauge CRCQ steel, the cap offers exceptional strength while the black electrically‑bonded epoxy finish provides corrosion resistance and a sleek appearance that blends with most roof materials. The cap conforms to UL standards, ensuring safety and reliability for a wide range of applications, including range hoods, LoSone fans, and bathroom ventilation fans. Its dimensions—an 18.75″ by 14.25″ footprint—fit securely on roofs with a built‑in backdraft damper and a bird screen that prevent reverse airflow and keep wildlife out. The cap accommodates 3.25″ x 10″ up to 8″ round ducts, offering flexibility for various duct sizes and simplifying installation for contractors and DIY homeowners alike.

Usage

This roof cap excels in diverse environments where reliable ventilation is essential. In kitchen settings, it maximizes the exhaust efficiency of range hoods, ensuring that cooking fumes, smoke, and odors are expelled quickly and safely. For bathroom installations, the cap works seamlessly with LoSone fans, providing a quiet yet powerful exhaust path that reduces humidity and prevents mold growth. The robust steel construction makes it suitable for outdoor applications exposed to harsh weather, including rain, snow, and high winds, while the epoxy coating guards against rust and UV degradation. Homeowners in suburban and urban areas will appreciate the cap’s ability to keep birds and debris out of the ductwork, reducing maintenance needs and extending the life of the entire ventilation system.

Why Choose Us

Choosing the Broan-NuTone 634 Roof Cap means selecting a product backed by decades of industry expertise and a commitment to quality. The cap’s 24‑gauge CRCQ steel is thicker than typical roofing components, delivering superior durability that resists dents and deformation. Its UL certification provides peace of mind, confirming that the cap meets rigorous safety and performance standards. The integrated backdraft damper automatically closes when the fan is off, preventing unwanted air infiltration and improving energy efficiency. Additionally, the bird screen is engineered with fine mesh that blocks even the smallest avian intruders without restricting airflow. Our dedicated customer support team is available to answer installation questions, provide technical documentation, and assist with warranty claims, ensuring a hassle‑free ownership experience.

Key Features

• Heavy‑duty 24‑gauge CRCQ steel construction for long‑lasting durability
• Black epoxy finish resists corrosion and blends with most roof surfaces
• Built‑in backdraft damper automatically prevents reverse airflow when the fan is off
• Fine‑mesh bird screen keeps wildlife out while maintaining optimal exhaust performance
• Comprehensive customer support and warranty service for peace of mind

FAQ

What duct sizes are compatible with this roof cap?

The cap is designed to fit round ducts ranging from 3.25″ x 10″ up to 8″ in diameter, providing flexibility for most residential and light‑commercial installations.

Is the roof cap UL‑listed?

Yes, the Broan‑NuTone 634 Roof Cap meets UL standards, ensuring it complies with safety and performance requirements for ventilation applications.

Can this roof cap be installed on a sloped roof?

Absolutely. The cap’s footprint and mounting design allow secure installation on both flat and sloped roof surfaces, provided the roof material can support the weight of the steel unit.

How does the backdraft damper work?

The damper is spring‑loaded and closes automatically when the fan stops, preventing outside air from entering the duct system and improving overall energy efficiency.

What warranty does Broan‑NuTone offer?

Broan‑NuTone provides a limited warranty that covers manufacturing defects for a specified period. Contact our support team for detailed warranty terms and assistance.