Model # AC-BD 06

Internet #202907125

Store SO SKU #1000677549

Speedi-Products 6 in. Galvanized Back Draft Prevention Damper
0816040015061

Speedi-Products

6 in. Galvanized Back Draft Prevention Damper

$2684 /each

Overview

Speedi-Products 6 in. Galvanized Sheet Metal Round Back Draft Damper. Ideal for use with intake or exhaust duct systems. Can be used for Remodeling, Do it yourself and New Residential projects.
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Frequently Bought Together

Product Overview

Speedi-Products 6 in. Galvanized Sheet Metal Round Back Draft Damper. Ideal for use with intake or exhaust duct systems. Can be used for Remodeling, Do it yourself and New Residential projects.
  • Ideal for use with intake or exhaust duct systems
  • Seal joints with approved duct mastic sealants
  • Insulate ductwork for improved energy efficiency and comfort
  • Consult your local building codes for approved installation practices

Product Overview

Model #: AC-BD 06
Internet #: 202907125

Speedi-Products 6 in. Galvanized Sheet Metal Round Back Draft Damper. Ideal for use with intake or exhaust duct systems. Can be used for Remodeling, Do it yourself and New Residential projects.

  • Ideal for use with intake or exhaust duct systems
  • Seal joints with approved duct mastic sealants
  • Insulate ductwork for improved energy efficiency and comfort
  • Consult your local building codes for approved installation practices

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
6
Product Length (in.)
6
Product Width (in.)
6

Details

Duct Type
6" Round
Gauge
30
Insulated
No
Material
Steel
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
No Certifications or Listings

Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
6
Product Length (in.)
6
Product Width (in.)
6

Details

Duct Type
6" Round
Gauge
30
Insulated
No
Material
Steel
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
No Certifications or Listings

Questions & Answers

Can i use it to attach to bathroom roof vent cap

my bathoom exhaust goes up to the roof vent cap however the butterfly damper thats just inside the fan motor doesn't really move that well. i was thinking if removing the damping from inside the bathroom and install this below the roof vent cap.
Asked by: troy
I think you could
Answered by: OSB
Date published: 2017-02-28

I am looking for a damper to vent a range hood. If I use this, I will need to mount it vertically so that the exhaust air pushes the damper flaps up?

Asked by: Mike
can be mounted in both directions just need to make sure it closes when no air is flowing
Answered by: OSB
Date published: 2017-02-28

Is this suitable for use in a vertical clothes dryer vent?

Asked by: Jackie
not sure if it will get to hot and melt the foam
Answered by: OSB
Date published: 2017-02-28

Is this an automatic damper opening and closing with air flow

Asked by: Harry
yes when installed properly
Answered by: OSB
Date published: 2017-02-28
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Customer Reviews

6 in. Galvanized Back Draft Prevention Damper is rated 4.5 out of 5 by 18.
Rated 4 out of 5 by from Quiet product, uncertain about it's longevity. However, it does the... Quiet product, uncertain about it's longevity. However, it does the job.
Date published: 2017-11-02
Rated 5 out of 5 by from This back draft prevention damper works great in the horizontal position for me. I used it on a ... This back draft prevention damper works great in the horizontal position for me. I used it on a heating and a/c duct going out and into my garage to keep from bringing unwanted fumes, smells, and cold air back into the house. Works like a champ and it's fairly quiet also! I really believe that Home Depot should stock these, and if people would realize how much unwanted air is returning through some of their heating and a/c ducts and gets recirculated back into their homes, they would be more likely to install them. Stops Drafts!
Date published: 2017-03-07
Rated 5 out of 5 by from Excellent Backdraft Preventer To increase effective moisture removal from a large bathroom, I installed a new fan and increased duct size from 4 to 6 inches. Installation constraints prevented use of the back draft preventer that came with the fan so I removed it and installed this unit. It has a good seal and the split damper opens very easily. It must be installed horizontally so I attached the back draft preventer to a ceiling truss and connected it to the fan with flexible tubing.
Date published: 2017-05-31
Rated 5 out of 5 by from Vent Damper Does What It Is Supposed To This galvanized sheet metal fabrication for a vent damper to prevent cold air from leaking back into vents such as bathroom forced air vents is a good design (I'm an engineer) that uses gravity rather than springs to reclose the damper wings. So, proper orientation with gravity in a vertical position is critical to a proper install. The damper half-rounds are held to the center cross-strut with fabric strips that appear to be synthetic material and the longevity of those fabric strips may be in question, but if they hold up, the only other longevity issue is the foam strip used for the seal ring that also serves to quiet the closing of the half-round damper wings. I purchased this size (6" OD) to match a fan that would fit into an existing recessed light hole cut into the horizontal sheetrock in a bathroom. I use a reducer on the top of this damper to neck down from 6" to 3" to increase velocity and save on vent piping costs. But, I have a limited vertical space to work in between the top of the fan cage and some 2x4 bracing over the drop down I am working in. So, one of those cape-type dampers will simply not work in the space I have to work in. Yes, the damper wings do not fully come together in the open position, which does hinder flow somewhat, but not enough to be of concern when reducing from 6 inches to 3 inches further up. I would recommend against spring-closure type dampers unless you cannot mount this type of damper vertically to use gravity alone to close the damper wings. Invariably, springs and the hinges of the wings will get gummed up with lint and other stuff like hair spray in a bathroom environment and damper operation becomes compromised. This damper is a good choice for vertical installations where space limits the use of cape-type dampers or you are minimizing the cost of such installations.
Date published: 2013-11-19
Rated 5 out of 5 by from I was looking for a damper for the kitchen hood vent. No stores in town carried one in stock. The... I was looking for a damper for the kitchen hood vent. No stores in town carried one in stock. The staff at the local store were very helpful. They found one on the Home Depot website and printed it out for my reference. Took about a week to get after I ordered it. It fit right in with the new pipes and works great keeping the cold air from intering the house.
Date published: 2017-02-08
Rated 4 out of 5 by from 4 Star Review Rating provided by a verified purchaser
Date published: 2017-04-04
Rated 3 out of 5 by from have not installed yet have not installed yet
Date published: 2017-02-28
Rated 5 out of 5 by from backdraft damper Used this backdraft damper on my range hood vent pipe. It installed into existing duct smootjhly. works perfectly with the range hood.
Date published: 2013-05-08
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