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💧 Ready, Set, Swell: Flood Control That Works While You Relax
Quick Dam 12" x 24" Water Activated Flood Bags are a top-rated, sandless flood control solution that expands to 3.5 inches high within 10 minutes of water contact. Each lightweight bag absorbs up to 4 gallons, creating an effective barrier to contain, divert, and control flood water. Designed for easy deployment and storage, these versatile bags protect doorways, garages, and more—indoors or outdoors—without the mess or labor of traditional sandbags.

| Best Sellers Rank | #4,434 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Safe Accessories |
| Customer Reviews | 4.4 out of 5 stars 3,141 Reviews |
R**.
These work!
These work! Kept water from leaking into my basement from the garage (groundwater flooding - can’t repair the building foundation). Highly recommend!
A**D
Finally solved my flooding problem - wow!
I have a sloped back yard and an inset exterior stairwell that leads down to the lower level of my house. When we get a lot of rain, water gets in the house. I have spent all kinds of money building an enclosure around the stairwell, regrading the walkway, building a little dam - you name it. While all those things made *some* difference, I still have gotten a little water. I was at my wit's end. A friend saw these and mentioned them to me. I read the reviews and decided to give them a try. Two days after they arrived, we had a flash flood. No water in my house. None. I put my bare foot on top of the Quick Dam that was at the downstairs door, and it was dry. I thought no water had gotten in. A little later, I turned it over to doublecheck, and it was indeed wet. Then I checked the one in the bottom of the stairwell, and it was swollen but not overflowing. My point - these sandbags can take in a LOT of water. They had room for much more. I bought a bag of 6, and I don't know that I'll ever use more than 2 or 3. They dry out pretty quickly in between rain storms. But I have extras on hand if we get recurring deluges. I'm in awe. And I no longer have to panic when the weather forecast calls for 2 inches of rain. This product has made a huge difference. Update January 2015: Five months later, I can still attest to the effectiveness of these sandbags. (And as you probably noticed, I technically don't use them as sandbags - I use them as water absorption bags.) The one issue with them is that you need a warm sunny day to dry them out. You need to be able to put them somewhere where the water will evaporate efficiently. That's a problem in the winter when it's cold and there's less sun to help out. I have bought another box of these to help me with my water issue, and I'm not complaining. If that's all it takes, I'm fine with this minimal cost and effort. It's just something to be aware of.
S**Z
A good investment for rainy days
I’ve got problems with water getting my my garage when it rains excessively. I saw these and after some research decided to give them a try. I’ve got two big problem spots for the leaks and they seem to be doing pretty well. I’ve got four bags in front of the garage door that are holding up pretty well and these two on the side door. I plan on getting another barrier for the big door just to add support for the bags and possibly buying another pack of bags to have on hold. My only problem is drying them out. The website for the company says to lay them out of the sun for the stuff inside to dry. I had one bag under the carport for a couple weeks and the stuff inside was still squishy. I don’t have any idea how long the take to dry out so I decided to just leave them where they are. If anyone who’s used these and successfully gotten them dry, holler at me because I’m just going to roll on with soggy sacks. I’d rather deal with that then drying out a wet garage, anyway. All in all, one and half thumbs up for how they function and block water. Half a thumb down for the drying out process.
G**4
These performed exactly as described.
These performed exactly as described. Highly reccomend.
C**S
Not perfect, but nothing else like it. Essential if you deal with basement flooding
SO here's the short review, I bought these 'just in case'. The reviews were mixed, but my basement was going to flood after the snow melted from a WI winter. You can read my experience below. Well it did flood, I caught it at the beginning. I placed these bags down where it was coming up and they absorbed the water and also acted as a barrier to make the steady flow drop down to a very slow trickle that I was able to keep mopped up by placing a towel down in front of the bags. This helped immensely while I got to the source of the flooding. I bought more for next time. Not quite sure if I'll be able to reuse, and I wouldn't necessarily use these again to clean the mess, but if you know where the water is coming in at and place it there, I would use it for that as it does slow down or act as a barrier preventing further mess. The long review with other products: I knew it was inevitable this Spring, my basement was going to flood. No way around it. I hired a lemon of an excavation company last year to stop it, they did the worst job imagineable and made the problem worse. They basically created a basin that collects rain water up against my house and then just DUMPS it into my basement. Plastic sheeting on the outside helps keep the rainwater out, but after a WI winter with heavy snow & ice, I was concerned that I didn't quite make sure I placed enough sheeting down. So, after a day of chunking ice & vacuuming water on the outside so I remove old sheeting and place new down new before March rain... I placed these sensors down. I was pretty confident only a small amount would leak in the usual spot. I thought 3 sensors was more than enough and I'd place the other 2 in areas of mild concern. Well the usual spot didn't leak, my efforts of ice picking and vacuuming (and probably worrying the neighbors) has paid off. The water came from under the house! A sensor went off just as the water was trickling in. I ran to action... placing towels and quick damn bags down to keep the water from flowing in from the area in the floor. I only had maybe 1/4-1/2" of standing water in a low spot of the basement floor. I discovered my sump pump had actually burned out! And my drain tile was overflowing! Now, keep track of all the gadgets I mention in this post if you deal with flooding, because I believe my paranoia saved me this year... I still had messe, but I cleaned them up quickly and my life was only derailed for a few hours vs days like usual. I love my basement when it's dry, I have a little gym down there. Its my version of a she-shed... Not only did I purchase the quick dam bags, I purchased a portable pump in case s#!% hit the fan and the flooding got bad... so when I discovered my sump pump quit working, I was able to drain the basin and draintile in about 20 mins once I set up the portable pump and garden hose. So make sure you have this essential in your power toolkit also! Because when I discovered the pump was out, it was 630 at night in a rural area where every hardware store was closed and the closest Menards is 45 mins away. I would've had to drive there while my house continued to flood. I just kept up with the portable until I could get my sump replaced! You know what they say, an ounce of prevention is worth a pound of cure! So then the 2nd time the sensors went off, it was because I realized after all this mess with my sump pump, I had unplugged my water softener. I plugged it back in, not realizing the thing drains and the drain pipe was not pointed back into my drain basin where the sump pump is. (K, folks, I'm a single mom with NO mechanical ability AT ALL, everything I have learned in this area is because I'm in desperation to fix an issue and I don't have a man to call) So after I plug it in, and I'm all thankful that everything is finally fixed and I probably survived Spring flood season already, I sit down with a cup of coffee so glad that all the above steps were in place and things didn't turn out as bad as they could've, a sensor goes off 😞🤬 66 gallons of water from that f'n water softener. Imagine if I didn't have the sensor tho, and I just sat upstairs enjoying life thinking all was peaceful and calm while it just kept pouring water in! I caught it 10 mins in thanks to these and was able to stop the flooding and clean up the mess in an hour. So here's your flooding grocery list: GOVEE Water sensors (these are great, especially if you're away from home like I am!) Quick Dam flood bags (can absorb, act as a barrier to keep water from continuing to flow in) Wet vacuum Portable sump pump Dehumidifier Flashlight that you keep on a hook near the area of flooding because you should cut power to the house until you know its safe to enter without getting electrocuted Lots of extra towels to dry up the floor after you've removed the bulk of the water! Husband 🤣🤣🤣 jk
R**.
Excellent product
Two of these stacked on top of a plastic film are good for doorways. Now that I know (Company answered the question) they have a shelf life of 10 years or more, I am comfortable keeping several of different sizes in a tote for storm season to come around. Experimenting now for the first time on reuse -- 3 weeks and they are still drying out. Not optimistic but don't really care -- will happily trash them and use new ones next round as before if necessary. At my age I cannot handle sandbags and this product is fantastic. Even one layer of those across my doorways or garage door would be impossible for me. Use: I put in place, hose down to partially expand (enough that wind wouldn't take away), and let the rising water expand them the rest of the way. Outstanding product. Cost is reasonable, storage for future emergency use takes little space and shelf life is long, lightweight for movement, easy to expand, and most importantly, they stop water intrusion.
A**A
Inside-flooding from a bad landlord?but need to go to work & not come home to sewage everywhere?
If you live in nyc and you have a landlord who lets your ceiling collapse on a regular, sewage floods, etc… BUY THESE. Stack them overlapping in areas where it’s likely and you can leave your apartment and not worry that your entire apartment will be covered in water. I can’t leave my apartment without putting these down BUT because of these I can go to work. It doesn’t stop the flood but it contains the water REALLY WELL. Absolutely a life saver
D**T
Was ok but would try to get conventional sandbags first if possible
I got these to try out because all the local places were out of sand bags and a big storm was expected. It's a great solution if you're in a pinch. The Problem: The casing is pretty fragile and ripped on one of the bags pretty quickly. Perhaps a stick passing by in the rain water snagged it? The gash is a few inches long and it wasn't even very rough weather yet. Doesn't make me very confident in the product for stormy situations. The closest thing I can compare the material to is that black weed blocker fabric used in gardening. I would only keep this for emergencies in areas prone to random flash flooding, where you might not have time to go find sandbags. It really is not a great value otherwise, the bags are not really reusable. I left them out in the sun for over a week and they just stayed moist and gelatinous, not really something you can practically store.
C**N
un piccolo grande aiuto
è utilissimo, lo posiziono sul balcone davanti alla porta finestra, dalla quale regolarmente filtra acqua quando piove in modo abbondante, e non mi è più entrata acqua nel corridoio, consigliatissimo
F**E
Did the job
I bought multiples of these to use because we were flooding every time it rained, due to a culvert failure across the street. I used them in front of traditional sandbags and they did an amazing job. Dried out nicely and I put them away to hopefully never use again, lol
S**Y
Waste Bad product
Once contacted with water it dose not come to original shape again
A**D
Easy storage and they work!
Instead of trying to store big bulky sandbags I bought these instead. So easy to store and when I unfortunately needed them they were easy to use and they worked. Downside: had to weigh them down as I put them out dry rather then 'wet' them before, but that was my choice. They also take a very long time to dry out again (but they saved my house so I can deal with the drying time!)
S**I
Apoyo para inundaciones caseras
El año pasado 2025 éste producto me ayudo mucho. En la colonia sufrimos de inundaciones cada época de lluvias, y cuando nos toca trombas sufrimos mucho. Éstas bolsas cumplen al 100% su función, solo hay que ser pacientes y encontrar el mejor método a nuestra conveniencia, en mi caso, puse las bolsas donde sé que empieza a filtrase el agua, como va lento, le da el tiempo suficiente para que las bolsas se activen (estás tardaron 6 min en activarse), en otra área de la casa, moví una bolsa ya activada (previamente la moje de 6 min a 13 min aprox.) hacia una zona que empezaba entrar el agua, inmediatamente freno la infiltración del agua, de está manera empecé a poner las demás bolsas y que todo listo, el agua quedó fuera de la casa y fuera en el patio, mientras dentro del hogar todo quedo seco. Quedo encantada. Cuando pasaron la época de lluvia, dejé secar las bolsas en el patio, tardaron en desinflarse entre 5 a 6 meses, leí previamente que son biodegradables, observé el estado del material y, efectivamente, las bolsas se pueden desintegrar o volverse a utilizar para charcos o pequeñas fugas de agua. En una ocasión, tuve una pequeña fuga de agua en el patio sin darme cuenta y una de las bolsas absorbió toda el agua, se volvió a inflar al 50%, entonces, desde mi punto de vista y experiencia personal, estás bolsas se pueden volver a reutilizar pero tener en cuenta que no funcionarán al 100%, nos puede servir para reutilizarlas en situaciones de baja emergencia. Volví a comprar nuevas bolsas con extensiones largas para utilizarlos para las trombas y/o próxima época de lluvias fuertes. Seria genial que las bolsas durarán mucho más tiempo pero, creo que, el material con han hecho estás bolsas todavía no llegan a ello. Espero que, en algún momento, hagan las bolsas con mucho mayor duración.
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