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iconian | Staff 15.8K Views
Apr 27, 2026 3:14 PM

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

$6.00

$9.99

39% off
Amazon
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Deal Details
Grotheory US via Amazon has 2-Pack 2" x 39" GroTheory Under Door Draft Stoppers (White, 733424635601) for $9.99 - $4 off when you apply promo code K6BMXVGG 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 RevOne | Staff
  • About this deal:
    • This offer matches a very popular Frontpage Deal from February which earned over 144 thumbs up.
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:

Original Post

Written by iconian | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Grotheory US via Amazon has 2-Pack 2" x 39" GroTheory Under Door Draft Stoppers (White, 733424635601) for $9.99 - $4 off when you apply promo code K6BMXVGG 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 RevOne | Staff
  • About this deal:
    • This offer matches a very popular Frontpage Deal from February which earned over 144 thumbs up.
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:

Original Post

Written by iconian | Staff

Community Voting

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Community Reviews

This under door draft stopper is a simple weather seal that works well when the surface is prepped carefully. The adhesive is described as strong, and it has held up on doors, including a garage door, with one setup reinforced by screws. It also helped block leaves from blowing under a settled garage door, and one installation stayed put even with a cat tugging at it. The main cautions are that the promo code must be applied to reach the advertised price, the install instructions call for waiting before opening the door, and long term hold can be uneven on a heavily used garage door.

  • The adhesive can hold well when the surface is properly prepped before installation.

    dnguyen800PinoyRukus

  • The draft stopper can reduce airflow and block leaves from blowing under a garage door.

    JD13

  • The included prep wipe can indicate strong adhesive performance without the strong bad odor reported for some Amazon Haul versions.

    dnguyen800

  • The stopper can stay in place even when a cat tries to rip it off from the bottom.

    E_M__

  • The promo discount may not apply as expected unless the promo code from the post is entered.

    AbedOriverhorse

  • The installation instructions can require keeping the door closed for about 12-24 hours after applying the stopper.

    CyanTree3711

  • The draft stopper may not be paintable, which can limit customization for door color matching.

    FlipBumWalla

  • The adhesive attachment can fail on a frequently used garage door, with one unit reportedly falling off after about a month.

    rokon4heyseus

Common Questions (4)

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

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21 Comments

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Apr 27, 2026 3:18 PM
395 Comments
Joined Aug 2013
KumSunApr 27, 2026 3:18 PM
395 Comments
Amazing price
Apr 27, 2026 3:46 PM
270 Comments
Joined Nov 2016
riverhorseApr 27, 2026 3:46 PM
270 Comments
Discount only 50 cents = $9.49 + tax
1
Apr 27, 2026 5:00 PM
1.7K Comments
Joined Mar 2005
gclc1216Apr 27, 2026 5:00 PM
1.7K Comments
It's slightly cheaper on Temu for like $4 if you are willing to wait
1
Apr 27, 2026 5:26 PM
161 Comments
Joined Sep 2024
CyanTree3711Apr 27, 2026 5:26 PM
161 Comments
got these last time they were at this price, though haven't installed them yet. the install instructions say to not open the door for 24h (iirc,maybe it was 12) after installing, so plan accordingly.
1
Apr 27, 2026 5:51 PM
759 Comments
Joined Apr 2021
AbedOApr 27, 2026 5:51 PM
759 Comments
Quote from riverhorse View quoted comment :
Discount only 50 cents = $9.49 + tax
You need to apply the code in the post, you're only seeing the 10% auto applied from the product page.
Apr 27, 2026 5:51 PM
527 Comments
Joined Jul 2007
dnguyen800Apr 27, 2026 5:51 PM
527 Comments
I installed these, they work fine. Adhesive is pretty strong and the wipe they give you smells like nail polish remover, so it must be strong.

I tried to find a cheaper version of this on Amazon Haul but those had bad reviews and complained of bad smell. These don't smell at least.
Apr 27, 2026 5:56 PM
7.8K Comments
Joined Jun 2006
fillygirlApr 27, 2026 5:56 PM
7.8K Comments
Thank You!
1

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Apr 27, 2026 6:32 PM
1.2K Comments
Joined Nov 2003
JD13Apr 27, 2026 6:32 PM
1.2K Comments
I used these on a garage door and reinforced them with screws. Stopped leaves from blowing under the door where the concrete settled.
1
Apr 27, 2026 8:17 PM
263 Comments
Joined Dec 2007
sxd303Apr 27, 2026 8:17 PM
263 Comments
We had our floors redone from carpet to LVP and my kids doors now have a bigger gap (maybe 2" or so). I don't know if I should leave it do something like this to help keep the noise from traveling into their room and to help with climate control. Is there a right answer here or just personal preference?
Apr 27, 2026 8:30 PM
538 Comments
Joined Aug 2018
missmedApr 27, 2026 8:30 PM
538 Comments
I bought a $1 pool float/noodle at the dollar store, cut it to the length of my door. Works perfectly.
Apr 27, 2026 8:52 PM
1.1K Comments
Joined Oct 2003
cnice515Apr 27, 2026 8:52 PM
1.1K Comments
What a breath of fresh air
1
Apr 27, 2026 8:52 PM
2.1K Comments
Joined Jul 2010
jackharvestApr 27, 2026 8:52 PM
2.1K Comments
$4 in FEB. Yawn.
Apr 27, 2026 9:05 PM
1.2K Comments
Joined Feb 2006
FlipBumWallaApr 27, 2026 9:05 PM
1.2K Comments
These do not seem paintable. Anyone try to paint 'em?
Apr 27, 2026 9:14 PM
619 Comments
Joined Dec 2012
PinoyRukusApr 27, 2026 9:14 PM
619 Comments
Quote from CyanTree3711 View quoted comment :
got these last time they were at this price, though haven't installed them yet. the install instructions say to not open the door for 24h (iirc,maybe it was 12) after installing, so plan accordingly.
I used mine after about 8hrs. Just prep it really good.

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Apr 27, 2026 9:30 PM
1.4K Comments
Joined Aug 2015
oceanoneApr 27, 2026 9:30 PM
1.4K Comments
Quote from gclc1216 View quoted comment :
It's slightly cheaper on Temu for like $4 if you are willing to wait
as long someone like to hand over all personal data to Chinese Gov Controlled company , while letting USPS do all the leg work paid by our tax money
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