Internet #202905918

Model # 634M

0026715057818

Roof Cap with Built-In Damper for 6 in. Round Duct in Black

  • Built-in back-draft damper eliminates cold air entry
  • Built-in bird screen for added protection
  • Easy to install and/or replace existing product for DIY'ers
$ 34 60

Frequently Bought Together

Frequently Bought Together

Product Overview

  • Built-in back-draft damper eliminates cold air entry
  • Built-in bird screen for added protection
  • Easy to install and/or replace existing product for DIY'ers
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.

Product Overview

  • Built-in back-draft damper eliminates cold air entry
  • Built-in bird screen for added protection
  • Easy to install and/or replace existing product for DIY'ers
Model #: 634M
Internet #: 202905918

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.

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
18.75
Product Height (in.)
6.625
Product Width (in.)
14.25

Details

Air Treatment Product Type
Air Purifier Accessory
Color Family
Blacks
Part Type
Cap/Cover
Product Weight (lb.)
5.67 lb
Returnable
180-Day

Warranty / Certifications

Manufacturer Warranty
None

Specifications

Dimensions

Product Depth (in.)
18.75
Product Height (in.)
6.625
Product Width (in.)
14.25

Details

Air Treatment Product Type
Air Purifier Accessory
Color Family
Blacks
Part Type
Cap/Cover
Product Weight (lb.)
5.67 lb
Returnable
180-Day

Warranty / Certifications

Manufacturer Warranty
None

Questions & Answers

My contractor mentioned needing a rubber boot where this would come through the roof. However, th...

My contractor mentioned needing a rubber boot where this would come through the roof. However, this products looks like it does not have something like this, just a metal duct-like end. Would I need to purchase something separate or is this intended to be installed without a rubber boot?
Asked by: DIYguy
I've got one installed on an asphalt roof. Maybe he is talking about a metal roof??? I never heard of the rubber boot thing. I don't remember Brown's instructions mentioning this. It is installed just like your typical roof vent. You put roof tar around the flat metal part that comes in contact with your roof and you push the top of the flat metal piece under your shingles and nail it in. I haven't had any problems. Mine came with pretty good directions, just follow them. If you live in an area where it gets cold in the winter, you should use 6 inch duct insulation along the entire run of you 6 inch duct, from inside of roof to the ceiling where it enters you kitchen. If you don't condensation will run down the duct work and water will drip all over your ceiling and eventually damage the drywall.
Answered by: Ad
Date published: 2019-03-16

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

Asked by: Nino
Bought mine 2 yrs ago. Works great, easy install.
Answered by: Ray
Date published: 2019-06-10

In cold climates if I used this roof cap for range hood, Will the damper freeze open (or closed) ...

In cold climates if I used this roof cap for range hood, Will the damper freeze open (or closed) from the water vapor that may be vented out?
Asked by: Mike
The damper is just a thin piece of sheet metal attached with a hinge - lifts up to open when air pressure comes up from fan. If enough moisture can settle inside the hood then it would be possible that it might freeze closed but not likely to freeze in the open position. If your roof pitch is great enough to keep most moisture out of the hood then you should be alright.
Answered by: Donfop
Date published: 2019-03-19

Does Model634M handle 760 CFM Fromm range hood?

Does Model634M handle 760 CFM Fromm range hood?
Asked by: Phoebe
my range hood 750 cfm , all the smoke blow out of the roof top
Answered by: Anthony
Date published: 2019-03-16
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