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🚪 Seal the gap, save the chill — your door’s new best friend!
The Sysmie Huge Gap Door Draft Stopper is a 39-inch long, 3.4-inch wide silicone door sweep designed to seal large gaps up to 1.8 inches. Featuring a widened 1.6-inch adhesive backing with extra tacks, it stays firmly in place even in wet conditions. Its triple-layer thickened silicone construction blocks drafts, dust, noise, odors, and pests while remaining flexible to protect floors and allow smooth door movement. Easy to install and cost-effective, it’s ideal for both interior and exterior doors.

| Asin | B07V72NDJS |
| Best Sellers Rank | #80,246 in Home & Kitchen (See Top 100 in Home & Kitchen) #69 in Under Door Draft Stoppers |
| Brand Name | Sysmie |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,704) 4.4 out of 5 stars |
| Item Dimensions L X W | 39"L x 3.4"W |
| Item Highlight | Designed for Large Gaps - Self-Adhesive Weather Seal Blocks Drafts, Dust, Noise & Bugs, Works on Interior & Exterior Doors |
| Item Thickness | 3.25 inches |
| Manufacturer | small homeware |
| Material Type | Silicone |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Recommended Uses For Product | Door |
| Unit Count | 3.25 Feet |
| Upc | 760635004056 |
User
Quality
Works perfectly and good strong quality
User
Util
Bueno
User
Works, but not sticky enough
Product works and covered the gap for my garage exterior metal door but the adhesive was not great. Definitely needed the included tacks to keep it in place. I was surprised how easily the tacks went through my metal door
User
Excellent Choice for Draft and Rodent Control
This product is stout, which is exactly what I needed. I had an outside door that led to my water heater closet. I found that mice were gaining entrance into the room by squeezing under the gap. It took a little bit of finagling to get it in the correct position, but once I did this has been a perfect answer to the problem. Not a mouse in almost a year and keeps all the rain and wind out of an almost one inch gap. I am not sure it would be the right answer for an interior door with a small gap, this is not like a normal sweep, but one made strong and sturdy and a perfect answer for the problem I was experiencing.
User
Poorly Packaged
I think the product is decent for what it is, but the way it was packaged leaves permanent creases in multiple places. So instead of a nice straight seal, you end up with a wavy seal that looks cheap and ugly. They are not as sturdy as I expected either, they are fairly soft rubber. I was not using to keep cool/hot air out, so I cannot speak to that effect, but they do not look good. It was easy enough to install, and it is easy to install them level/straight, but the creases from them being folded multiple times really ruins it for me. Would I buy it again? Probably, but only because most of the competition is using the same product. Perhaps someone else has better packaging though.
User
Pleasantly surprised
I bought this for an older door that had a larger than usual gap that a standard sweep from the home center just wouldn’t cover. The adhesive is super strong and it also comes with nails in case there is an issue sticking to the door. All in all it works great and the thickness of the sweep material seems like it will last for many many years. Be aware of the sizing as the one I needed was taller from too to bottom whereas this could look weird if you were looking for something a little more discreet.
User
Well Made Door Sweep
This door sweep is substantial and made from very thick rubber. It almost feels excessive but it works well. Installed it on a basement door to keep out cold air and insects (and whatever else lurks down there) and so far it’s been effective. Installation is a quick peel and stick with the exception of cutting it to the width of the door which was easily done with a razor blade. The adhesive is very strong, so it’s much better if you can get it lined up correctly the first time to avoid having to peel it off. Saw some reviewers ask about an odor. There was a bit of a rubber smell when removing it from the bag it shipped it in, but that immediately dissipated after it was installed.
User
Completely blocks air leaking under door
I've had cold air leaking under my mudroom door and have been looking for something to block it that would not get in the way. It's amazing how well this does the job. This adheres very well (if the door is cleaned properly with alcohol first). I'm considering purchasing more for the other outside doors.
User
Misleading the height is 2"
They said in description it is 3" unlike others, but they have the same height of 2". Wasted my time. Placed a return now. Don't buy from them if you are looking for a 3", and if you are looking for a 2", there are cheaper alternatives.
User
Worst product
Zero holding capacity.... Lesser holding capacity than a duct tape.
Trustpilot
2 weeks ago
1 month ago