0026715057818

Broan

Model 634M

Internet #202905918

Store SO SKU #1000947035

6 in. Roof Cap in Black

$30.93 /each
  • Dependable rooftop ventilation
  • Black enamel finish
  • Protective bird screen

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Product Overview

The attractive Broan 634M roof cap is the perfect finish for your ventilation system. The built-in back-draft damper eliminates cold air from entering the home. The bird screen stops unwanted visitors from gaining entry.

  • 6 in. round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish
  • Built-in back-draft damper prevents cold air from blowing back into the home
  • Effective transition from inlet to outlet reduces air flow loss
  • Easy installation with polished, finished look

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Customer Questions & Answers

2 Questions6 Answers

Customer Questions & Answers

6 in. Roof Cap in Black
6 in. Roof Cap in Black

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This question is from 6 in. Roof Cap in Black
 
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Does the Broan 634M Roof Cap have a 6" stem that protrudes into the attic (for direct attachment of a 6" bath exhaust fan duct)?

This question is from 6 in. Roof Cap in Black
Asked by
Portland, OR
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April 11, 2014
Picture and description do not mention a stem on the product, although it is specified for 6" applications.
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Answers (5)

Asked by
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January 5, 2016
Answer: 
It mated to standard 6" round ducting well but the stem from the cap protruded about 1.5" therefrom the cap. So to make the connection easier, I initially attached a short (@ 3") straight length of 6" round ducting to the stem to enable easier access to connect it to flexible or rigid ducting in my crawl space attic. Shouldn't make the short extension longer cause it may prevent installation into roof Read More
It mated to standard 6" round ducting well but the stem from the cap protruded about 1.5" therefrom the cap. So to make the connection easier, I initially attached a short (@ 3") straight length of 6" round ducting to the stem to enable easier access to connect it to flexible or rigid ducting in my crawl space attic. Shouldn't make the short extension longer cause it may prevent installation into roof hole. Read Less
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Asked by
Friendsville, PA
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July 28, 2015
Answer: 
Yes. The stem (or collar) projects more than 1" from the bottom of the unit, allowing ample space to connect the duct after allowing for the roof thickness.
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Asked by
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August 26, 2014
Answer: 
I've installed mine, it's probably a 3" flange. It's used for a range hood vent. I purchased a 36" extension for my application. There are a number of in stock extensions at most stores.
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Asked by
Northport, NY, USA
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June 17, 2014
Answer: 
Yes, but it is more than 6" diameter as the stem is larger to accommodate a 6" Duct that comes Insulated. However, you can fill the approx 3/8" gap with a strip of Insulation Duct taped to the non- insulated duct. and then duct tape the connection.
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April 14, 2014
Answer: 
Hi, Paul. Thank you for your question about this ventilation accessory. You are correct that the photo does not show the stem, so it’s a good valid question. This roof cap does have a 6” diameter portion that protrudes through your cut-out. This is where you would connect your running duct to it. If you have further questions, please contact our Customer Service Department at 888-336-3948. Thanks, Read More
Hi, Paul. Thank you for your question about this ventilation accessory. You are correct that the photo does not show the stem, so it’s a good valid question. This roof cap does have a 6” diameter portion that protrudes through your cut-out. This is where you would connect your running duct to it. If you have further questions, please contact our Customer Service Department at 888-336-3948. Thanks, again. Read Less
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This question is from 6 in. Roof Cap in Black
 
1 answer

Can this roof cap be used for exhausting a range hood?

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April 29, 2016
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Answer (1)

May 2, 2016
Answer: 
Yes, it can.
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Customer Reviews

Rated 4.1 out of 5 by 8 reviewers.
Rated 5.0 out of 5.0 by Nice exhaust vent housing Well made, very easy to install. Slightly noisy when raining, Rain on a tin roof sound. April 26, 2016
Rated 4.0 out of 5.0 by vent cap Good value vent cap. Decent sturdy construction. However, one design flaw. Metal flap valve, located at the roof line, will freeze/stick to metal vent body during colder weather. When using the vent though, once warm vented air unfreezes flap valve it will function properly. Unfortunately though, in the meantime a noisy fluttering sound can be heard while air tries to squeeze around the stuck metal valve. Metal moisture-condensing flap valve should be replaced or edge-lined with lesser moisture condensing/ freeze resistant thermo-plastic. January 5, 2016
Rated 2.0 out of 5.0 by Broan six inch roof cap The neck was too short coming through the roof and it was a lot of trouble connecting the fan exhaust to it. I literally had to make up an extension to connect the fan exhaust duct to the roof cap Assembly. I don't understand why they just don't make it at least a quarter inch longer, Or at leased give you a sleeve to put over it to help with installation. You can tape the duct to it, but eventually it will leak, causing hot moist air to go into your attic, and defeat the whole purpose of the roof cap. December 31, 2015
Rated 5.0 out of 5.0 by Broan Hood Vent Cap We installed the cap on the roof fairly easily. You can't adjust the angle on any of these caps and that would be a great feature. I haven't finished connecting the cap to the duct work, but that shouldn't be a problem. The strange thing is that nearly all of the Broan range hoods I looked at will take 7" round duct work, yet the company doesn't offer a 7" round cap. We'll see how it holds up after a few years. December 29, 2015
Rated 3.0 out of 5.0 by Collar at bottom not deep enough An additional collar had to be screwed into the one built into this hood in order for it to reach far enough into the attic to attach a hose. In short, no collar or a longer one would have been perfect and improved ease of installation, so I would not purchase this one again for that reason. Other wise, it has good features (damper and screen). I think there is a version without a built in collar. December 18, 2015
Rated 5.0 out of 5.0 by Exactly what I needed The roof cap was just what I needed to end a run of 6" kitchen vent pipe. This model was much easier to use than the basic one that does not have a collar that fits the duct. July 28, 2015
Rated 4.0 out of 5.0 by Perfect for venting hood range This was better than the in-store model kept in stock. Similar product, but better construction. August 26, 2014
Rated 5.0 out of 5.0 by Excellent choice The Delivery was on time, product arrived with no damage and the Installation was achieved successfully according to the enclosed instructions. Very satisfactory experience. June 17, 2014
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