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Broan-NuTone 634M Roof Cap Black Up to 6" Round Duct

Q: I is said to keep out birds, does it have a screen that would keep out yellow jacket.?

The screen is for birds, the backdraft damper will keep the bugs out. That's the door that will open when your vent fan creates pressure in the ductwork. Gravity will close the door once the fan is off.

Q: Does the wind cause it to chatter?

no the "gate" only opens when in use. the wind cannot open it, unless you have 100+ mph winds.

Q: Can this be installed on a new residential steel roof?

It depends on whether there is a flat spot wide enough for it to fit between the ridges in the steel. You need a gap of 12 to 14 inches that it can fit in. If it fits it can be screwed directly into the steel and then seal with roofing cement.

Q: Can this be used to vent a cooktop hood?

Yes, it's the best 1 I have found for hood venting, it has a dam per door built in to keep air from entering from outside also. I use them on all my roof venting jobs.

4.4/5

Product ID: 299749743

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🌀Fits 6" round duct for versatile install

🖤Black epoxy finish for sleek style

🛠️24-gauge CRCQ steel durability

Frequently Bought Together

Broan-NuTone 634M Steel Roof Cap for 6" Round Duct, for Range Hoods, LoSone Fans, and Bath Ventilation Fans, Black

Lambro #246 6" Aluminum Duct Connector

AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

Description

🏠 Elevate your ventilation game with style and strength!

PERFECT FIT - Fits standard 6" round ducts with a balanced 18.75" x 14.25" footprint for easy installation
BUILT TO LAST - Crafted from tough 24-gauge CRCQ steel for long-term reliability
SLEEK STYLISH - Black electrically-bonded epoxy finish adds modern elegance to your roofline
SMART PROTECTION - Includes built-in backdraft damper and bird screen to keep your home safe and efficient
OPTIMIZED AIRFLOW - Designed to maximize ventilation fan and range hood performance

The Broan-NuTone 634M Roof Cap is a durable, stylish roofing accessory designed for 6" round ducts. Made from 24-gauge CRCQ steel with a black epoxy finish, it enhances ventilation efficiency while protecting your home with a built-in backdraft damper and bird screen. Ideal for range hoods and bathroom fans, it combines functionality with old-world elegance for the discerning homeowner.

Specifications

Department	Home & Garden
Manufacturer	Your Other Warehouse
Item model number	634M
Product Dimensions	4.01 x 36.2 x 20.47 cm; 1.81 kg
ASIN	B0013G31B0

Have a Question? See What Others Asked

I is said to keep out birds, does it have a screen that would keep out yellow jacket.?

Does the wind cause it to chatter?

Can this be installed on a new residential steel roof?

Can this be used to vent a cooktop hood?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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¥47604

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