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iconian | Staff 43.7K Views
Feb 21, 2026 3:37 PM

2-Pack 2" x 39" GroTheory Under Door Draft Stoppers (White)

$6.00

$14

57% off
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Deal Details
This popular Frontpage deal is available again with a new promo code.

Grotheory US via Amazon has 2-Pack 2" x 39" GroTheory Under Door Draft Stoppers (White) for $8.52 - $2.53 when you apply promo code XLIMHJQX at checkout = $5.99. Shipping is free w/ Prime or on $35+ orders.

Thanks to Deal Editor iconian for sharing this deal.

Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.

Editor's Notes

Written by persian_mafia | Staff
  • About this deal:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:
Expired promo code:
  • ESHYDEY5

Original Post

Written by iconian | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
This popular Frontpage deal is available again with a new promo code.

Grotheory US via Amazon has 2-Pack 2" x 39" GroTheory Under Door Draft Stoppers (White) for $8.52 - $2.53 when you apply promo code XLIMHJQX at checkout = $5.99. Shipping is free w/ Prime or on $35+ orders.

Thanks to Deal Editor iconian for sharing this deal.

Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.

Editor's Notes

Written by persian_mafia | Staff
  • About this deal:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:
Expired promo code:
  • ESHYDEY5

Original Post

Written by iconian | Staff

Community Voting

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+144
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Top Comments

maveni4554
78Comments
38Reputation
Just installed 5 of these in my house and I was surprised at how well they work. I worked as a carpenter years back and have installed the traditional screwed in door sweeps with the metal base and rubber sweep so I didn't expect much from these but honestly for the price I would recommend them. They're also incredibly easy to install so no carpentry skill is necessary to install. Just something to mark the length you want it and then scissors to cut the rubber. Then slap it on using the attached 3m tape while running your finger and making sure there are no gaps at the bottom.

I should say these are for INTERIOR doors. I don't think they would last or stay on exterior doors well at all.
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SharpDime5530
31Comments
10Reputation
I installed another brand of this same product on the door to my laundry room. It's a significant reduction in noise transmission.
Go to Comment

Community Reviews

This under door draft stopper is a simple interior door seal that blocks drafts and cuts noise, with several installs described as effective on basement, laundry room, and other indoor doors. Installation is straightforward, since it can be measured, cut with scissors, and stuck on with the included 3M tape, and the coupon appears to work on multiple sets. The main caveat is adhesion, which is described as weak on some doors and may need extra tape or a screwed in strip. It also arrives rolled up and is not a good fit for exterior doors.

  • The attached tape can help reduce noise transmission when installed on interior doors.

    bradmurraySharpDime5530

  • The product can be useful for unheated spaces like garages, storage rooms, and large unheated closets.

    fraughthadalta

  • The draft stopper can work well on interior doors and is easy to install with scissors and attached 3M tape.

    maveni4554

  • The seal can stay holding based on prior use of the same brand in a previous brown version.

    fraughth

  • The adhesive can fail to hold up, which may require extra reinforcement like a screwed-in metal strip.

    skwishbotMark34204

  • The draft stopper may not stay effective on exterior doors due to durability concerns.

    maveni4554

  • The material can be silicone rubber that does not hold paint well.

    fraughth

  • The draft stopper can arrive rolled up, which can make it less straightforward to install straight.

    grantland

Common Questions (5)

AI-generated summary based on comments from the community. Updated ago

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51 Comments

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Feb 21, 2026 6:56 PM
78 Comments
Joined Nov 2009
maveni4554Feb 21, 2026 6:56 PM
78 Comments

Our community has rated this post as helpful. If you agree, why not thank

Just installed 5 of these in my house and I was surprised at how well they work. I worked as a carpenter years back and have installed the traditional screwed in door sweeps with the metal base and rubber sweep so I didn't expect much from these but honestly for the price I would recommend them. They're also incredibly easy to install so no carpentry skill is necessary to install. Just something to mark the length you want it and then scissors to cut the rubber. Then slap it on using the attached 3m tape while running your finger and making sure there are no gaps at the bottom.

I should say these are for INTERIOR doors. I don't think they would last or stay on exterior doors well at all.
7
Feb 21, 2026 7:02 PM
4.8K Comments
Joined Feb 2010
Splash15Feb 21, 2026 7:02 PM
4.8K Comments

Our community has rated this post as helpful. If you agree, why not thank

Coupon works for multiple sets and then it qualified for $1.50 no rush shipping! In for 2. tyty.
2
Feb 21, 2026 8:23 PM
118 Comments
Joined Oct 2024
fraughthFeb 21, 2026 8:23 PM
118 Comments
This deal worked for me, multiple sets worked as well. Have previously used this brand in the brown version and seal is still holding.
1
Feb 21, 2026 8:47 PM
226 Comments
Joined Sep 2013
DrewBreeze13Feb 21, 2026 8:47 PM
226 Comments
Quote from maveni4554 View quoted comment :
Just installed 5 of these in my house and I was surprised at how well they work. I worked as a carpenter years back and have installed the traditional screwed in door sweeps with the metal base and rubber sweep so I didn't expect much from these but honestly for the price I would recommend them. They're also incredibly easy to install so no carpentry skill is necessary to install. Just something to mark the length you want it and then scissors to cut the rubber. Then slap it on using the attached 3m tape while running your finger and making sure there are no gaps at the bottom. I should say these are for INTERIOR doors. I don't think they would last or stay on exterior doors well at all.
What would be the benefit of using them on anything but an exterior door?
1
Feb 21, 2026 8:49 PM
4.9K Comments
Joined Jan 2007
geoffkinFeb 21, 2026 8:49 PM
4.9K Comments
I'm not concerned about drafts on interior doors, but how would these work for SOUND?
Feb 21, 2026 9:00 PM
13 Comments
Joined Mar 2018
jimb2995Feb 21, 2026 9:00 PM
13 Comments
my price is showing $8.52 + tax+ shipping or prime
Feb 21, 2026 9:01 PM
174 Comments
Joined Jun 2009
cliqstrFeb 21, 2026 9:01 PM
174 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from DrewBreeze13 View quoted comment :
What would be the benefit of using them on anything but an exterior door?
Probably means the interior side of an exterior door.
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Feb 21, 2026 9:02 PM
13 Comments
Joined Mar 2018
jimb2995Feb 21, 2026 9:02 PM
13 Comments
sorry, forgot to use promo code....my bad
1
Feb 21, 2026 9:06 PM
111 Comments
Joined Jul 2019
Rocket_SniperFeb 21, 2026 9:06 PM
111 Comments
In for a couple. Thanks!
Feb 21, 2026 9:27 PM
4.9K Comments
Joined Jan 2007
geoffkinFeb 21, 2026 9:27 PM
4.9K Comments
Quote from Splash15 View quoted comment :
Coupon works for multiple sets and then it qualified for $1.50 no rush shipping! In for 2. tyty.
Multiple sets on 1 order or ordered separately?
Feb 21, 2026 9:29 PM
4.8K Comments
Joined Feb 2010
Splash15Feb 21, 2026 9:29 PM
4.8K Comments
Quote from geoffkin View quoted comment :
Multiple sets on 1 order or ordered separately?
Combined, just order 2 or more. The coupon adjust to the quantity ordered, then choose no rush shipping if it is an option for digital credit.
Feb 21, 2026 9:32 PM
584 Comments
Joined Dec 2015
BeniskickbuttFeb 21, 2026 9:32 PM
584 Comments
stock up for next year
1
Feb 21, 2026 9:33 PM
751 Comments
Joined Jun 2003
bradmurrayFeb 21, 2026 9:33 PM
751 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from DrewBreeze13 View quoted comment :
What would be the benefit of using them on anything but an exterior door?
Noise suppression
1
Feb 21, 2026 9:58 PM
250 Comments
Joined Aug 2012
willshiFeb 21, 2026 9:58 PM
250 Comments
why post the deal after it's gone up 50% from yesterday even with the discount code?
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Feb 21, 2026 10:03 PM
4.9K Comments
Joined Jan 2007
geoffkinFeb 21, 2026 10:03 PM
4.9K Comments
Quote from willshi View quoted comment :
why post the deal after it's gone up 50% from yesterday even with the discount code?
So you got it for $3 yesterday?

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