Roof Vent Bases

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Residential Use

Ideal for use with the Globe Vent or any other round based roof vents.

Commercial Use

Suitable for use with round based roof vents in commercial ventilation systems, including warehouses, office buildings, and industrial facilities.

Product Highlights
  • Round Vent Base (Flat Roof)

    Designed for mounting globe vents or other round-based roof vents without a flange. It features a large flange for easy installation, leak protection, and weather-proof construction.

  • Round Vent Base (Pitched Roof)

    Available in sizes ranging from 4″ to 18″ in diameter and compatible with various roof pitches from 2/12 to 12/12, this base offers reliable performance and easy installation.

  • Round Roof Vent Base (Saddle Roof)

    Constructed from 28-gauge galvanized steel with a mill finish, designed for roof vents with a round shape. Available in sizes ranging from 4″ to 18″, this saddle base provides a secure and durable mounting option.

Roof Vent Base Installation Tips
  • Proper Placement

    Install near as possible to the top of the roof.

  • Base Selection

    Choose vents based on roofing material, climate, and specific ventilation needs. For the Saddle Base (SB) and Pitched Base (PB) models, be sure to select the correct pitch or slope to match the specific roof type.

  • Professional Installation

    While some vents may be installed by DIYers, professional installation is recommended for complex systems or areas with challenging access.

Frequently Asked Questions

What is the primary purpose of roof vent bases?

Roof vent bases provide a secure, stable foundation for attaching round-based roof vents. These bases ensure proper ventilation by allowing exhaust vents, such as Globe Vents, to be securely installed on various roof types. While the roof vent are designed to prevent moisture accumulation, reduce heat buildup in the attic, and extend the longevity of the roof by allowing efficient airflow and minimizing condensation.

How do I choose the right roof vent base for my needs?

To choose the right roof vent base, consider the type of roof and its pitch. FAMCO offers three main types of roof vent bases: a Flat Base (FB) for flat roofs with no pitch, a Saddle Base (SB) for ridge or peak installations, and a Pitched Base (PB) for pitched roofs.

What warranty is provided with roof vent bases?

FAMCO roof vent bases come with a one-year limited warranty, covering any defects in material or workmanship. If you experience any issues or defects with the roof vent base, contact our customer support team for assistance.

FAMCO Roof Vents Bases Benefits

Weatherproof Construction
Made from high-quality, weather-resistant materials, offering long-lasting durability and performance.
Easy Mounting
Available in a flat base (FB) for flat roofs with no pitch or slope, a saddle base (SB) for installing on the ridge or peak of the roof, and a pitched base (PB) for pitched roofs for seamless mounting.
Large Flange
Features a large flange for easy installation and leak protection.