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  1. Roof Curbs for Exhaust Fans: A Complete Guide

    A roof curb might look simple, but it plays a critical role in your commercial kitchen ventilation system. If you’re installing an upblast exhaust fan, choosing the right roof curb for an exhaust fan ensures proper support, weather protection, and code compliance. Here’s a quick cheat sheet from the ventilation experts at HoodMart on how it works and how to get it right!

    What Is a Roof Curb for an Exhaust Fan?

    A roof curb for an exhaust fan is a raised, metal mounting frame installed on the roof that:

    • Supports the exhaust fan
    • Elevates the fan above the roof surface
    • Protects ductwork and fan components from weather
    • Helps meet clearance and code requirements

    Without a properly sized curb, your exhaust fan cannot be securely or safely installed.

    Do You Need a Roof Curb?

    You will need a roof curb if:

    • You’re installing an upblast (rooftop) exhaust fan
    • Your system vents through the roof
    • You need to meet NFPA and local code requirements

    You may not need a curb if:

    • You’re using a wall-mounted exhaust fan (a mounting bracket may be used instead)

    Types of Roof Curbs for Exhaust Fans

    There are two primary types of exhaust fan roof curbs:

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  2. Avoiding Common Food Truck Health Code Violations
    Avoiding Common Food Truck Health Code Violations Running a food truck takes more than great recipes and a busy service window. To stay open and profitable, your mobile kitchen also needs to meet strict food truck health code requirements. Even...

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  3. Hood Placement and Clearance to Combustibles - What it Means & Why it Matters
    Getting hood placement and clearance right isn’t optional; it’s critical for safety, performance, and passing inspection. In this guide, HoodMart breaks down commercial kitchen hood clearance requirements, what “clearance to combus...

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  4. Commercial Hood Fire Suppression Systems: How They Protect Your Kitchen
    While ventilation hoods help manage smoke and heat, they also play a critical role in fire protection when paired with an integrated suppression system. A commercial hood fire suppression system is designed to detect and stop fires at their source, o...

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  5. What are the Food Truck Range Hood Requirements?
    As a commercial kitchen exhaust hood manufacturer, the team at Hoodmart often get asked about the exhaust hood requirements for food trucks. In this blog post, we will provide some general guidance on what these requirements might entail.   Fi...

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