Model # DS-110

Internet #100212441

Store SKU #593567

Gardner Bender 1 lb. Plug Duct Seal Compound

Gardner Bender

1 lb. Plug Duct Seal Compound

  • Constructed of an easy-to-handle, dough-like material
  • Non-toxic, non-corrosive and non-staining
  • Seals gaps and holes against dust, moisture and drafts
$298 /each
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Frequently Bought Together

Product Overview

Gardner Bender Duct Seal Compound Plugs is a dough-like material that is easy to handle. This material helps seal and protect gaps, holes and conduit openings against dust, moisture, drafts and noise. This material is non-toxic, non-corrosive and non-staining. This seal can be used in temperatures that range between -20°F up to 350°F.

California residents: see   Proposition 65 information

  • Dough-like material
  • Helps seal conduit openings, gaps and holes against drafts, dust, moisture and noise
  • Easy to handle
  • Simple to install
  • Under normal conditions the material will not harden or form a skin
  • Non-conduction
  • Non-deteriorating
  • Non-toxic
  • Non-corrosive
  • Non-staining
  • Non-curable
  • Flash point is over 550°F
  • Temperature ranges between -20°F - 350°F

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

Can this product be used to seal a temperature probe access port on the rear of a laboratory grad...

Can this product be used to seal a temperature probe access port on the rear of a laboratory grade refrigerator? " Electrical Putty" was recommended. the purpose is to seal out air from reaching the chamber
Asked by: labtech
Yes, this product is used for many sealing application within refrigeration and would be great for sealing out air.
Answered by: Gardner Bender
Date published: 2017-06-29

could this product be used to seal hot water tank duct to chimney

Asked by: jeff
I'm not sure that GB understood your question. From the sounds of it, you are asking if this can be used for marrying a gas water heater to a masonry chimney without the use of a vent that extends to the roof. If that is the case, you should stop reading further and consult with a licensed plumber or HVAC contractor in your area. That application would likely be in violation of applicable codes. Assuming that you're asking if this product is suitable for sealing a vented gas water heater's vent penetration where the vent stack passes through into an otherwise unused chimney and continues on to penetrate above the top of the chimney, I would steer far and wide away from any non-curing product such as permagum. You should be using a permanent, cure in place product for such sealing applications. Permagum is meant to be a re-enterable conduit sealant to facilitate sealing while allowing for future changes without destroying anything. Again, a licensed plumber or HVAC contractor should be able to help you with this. You could also refer to Chapter 8 of the International Mechanical Code (IMC) or consult with a local building department.
Answered by: Steve
Date published: 2016-09-16

MY washer is leaking fron the front belloe tub seal would this work ?

Would this keep my washer machine from leaking from the seal in the door ? only leaks when t is filling / rinsing
Asked by: jimi
Duct seal is not a good product for this use. I would recommend replacing the seal.
Answered by: MGfromPhoenixMD
Date published: 2017-01-17

Can this be used to seal a pipe penetrating hole in a house's siding? (outdoor use)

Asked by: oepth
I would use foam sealant instead of this.
Answered by: Socal
Date published: 2017-07-03
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Customer Reviews

1 lb. Plug Duct Seal Compound is rated 4.9 out of 5 by 19.
Rated 5 out of 5 by from A wonderful product Duct seal... looks like C-4 and is "dynamite" because it is so versatile and has many uses due to its properties of never curing, heat etc. My use as for this product is to make a silent pellet trap for a bb's or airgun pistol or rifle. So soft that you can't hear the pellet hit the trap.... 10 bucks = five pounds of priceless silence.... might use a few ounces to keep some drafts out of the house too as would be the normal use of this product.
Date published: 2012-01-01
Rated 5 out of 5 by from Used not as intended I make bullet traps out of this stuff and it's awesome. Stops a 9mm from 30 yards at 3/4 inch deep.22 rimfire never hits the steel backing.
Date published: 2016-10-25
Rated 5 out of 5 by from Kayak fishermen - this is the stuff Bought this on recommendation from a bunch of kayak fishing forums as an alternative material to Marine Goop for bedding a fish finder transducer to the inside hull of a kayak. Works great. This stuff is non-drying, non-hardening, and easy to change if you want to try a different mounting technique for your FF in the future.
Date published: 2012-02-08
Rated 5 out of 5 by from Duct tape in paste form Duct tape in paste form. The uses for this is endless. Every tools box needs a can of WD-40 , a roll of duct tape, and a block of duct seal.
Date published: 2012-07-01
Rated 5 out of 5 by from Pellet Gun Trap Didn't use the product as intended on ductwork, but it makes a great backstop for a BB/pellet gun target. Made a plywood box (with proper backstop), screwed a paper clamp to the top front edge and fit the duct seal compound in the back of the box, 2" thick. No ricochet, no noise and the ammo never goes more than halfway through the compound. At some point I'll have to remove the blocks and turn them around but that will be several hundred rounds in the future. Cheap and easy indoor target trap! Great product for this alternative use!!
Date published: 2014-12-21
Rated 5 out of 5 by from BRING SKU # with you! It is well-hidden in the electrical section. Little 6" wide box with white wrappers in it. The employees can take the SKU# and find it for you. Great stuff! Adult non-toxic sticky modeling clay.
Date published: 2013-09-26
Rated 5 out of 5 by from I'm a life long machinist. This stuff is excellent as a damper and stabilizer to prevent chatter ... I'm a life long machinist. This stuff is excellent as a damper and stabilizer to prevent chatter when cutting thin walled metal parts. It sticks to the surface really well , but does not restrain the part. Also great for sealing edges around stock that is held down on double-stick tape to prevent coolant ingress. The product never hardens, nor is it affected by coolants. I have some chunks of this stuff I've been using for 30 years and it's still sticky and supple.
Date published: 2016-12-21
Rated 5 out of 5 by from Great Product Note: At my Home Depot, this is stocked in the ELECTRICAL AISLE, not the Air Duct section. I guess it is used more to plug gaps formed by conduit than anything else.
Date published: 2013-09-08
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