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Review:
4.8 out of 5
95.38% of customers are satisfied
5.0 out of 5 stars Good product
I sealed my basement in minutes, no water leaks since then. Easy to use.
5.0 out of 5 stars works great
ty
4.0 out of 5 stars Good sealer
It’s a good sealer if you are on or above the roof, but not if you are under; it will drip. Apply to a small area at a time.
5.0 out of 5 stars How to get the best out of Flex Seal and products like it
While not perfect for every application, Flex Seal actually does what it advertises. After reading a lot of the one star reviews, I can see there are a lot of problems with the way people are spraying the product on as well as issues with what is expected.Here are a few tips to get you the best results you can out of a product like this (there are many and they are all basically the same)1. Choose the right kind of Flex Seal. This may seem obvious but there are several kinds of flex seal and they are all used for different things. I. First, the rubber patch/tape is used for large cracks and or holes where you have full access to the area around it. The tape is very thick and can sometimes be unruly. Lay it flat out, cut it, and then roll it while keeping tension on or slap it on like in the commercial. Do not think you are going to move it around and reposition it. You won't. It's a one shot deal for best results. The tape, size to be at least 3-4 times bigger than the hole you are trying to close up. The tape can handle the most pressure in the product line. You must have enough surface area for the tape to get a good grip around the hole if you plan for it to take any kind of real pressure. II. The roll-on stuff is great for large coverage where you want to get fancy putting on thicker and thinner coats here and there. It applies like a sticky paint. I would say that the paint is the most "accurate" because you will use a roller or a brush to put it on and you can make sharp lines, stuff more material in gaps really easily, and handle uneven surfaces nicely. III. The spray is for quick easy jobs as is the weakest under pressure. It's great for sealing things like sky lights, thin plastic objects, joints on gutters etc. Anything that won't see a lot pressure behind it. It's harder to put on thick, but if you apply it like spray paint you can do amazing things with it. Thin, even coats, in a sweeping motion, over and over again and you can cover just about anything. IV. The flex seal one shot caulking is really just like almost any rubber/silicon caulk. I've only used it once and was not all that impressed so I tend to stay away from this one and use 3M stuff instead.2. Pick the right color for your application. The Clear does NOT stay clear. It has a tendency to turn yellow in the sun. If you don't mind that, or won't expose to sun or much light, then the clear is fine, however, I usually stick to white or black. PRO TIP: You CAN mix the colors of the roll-on to make different levels of gray. I am sure Flex Seal would frown but it works for me. It takes a lot of churning to get it all mixed and not streaky. Your mileage may vary.3. Use for the right jobs. Don't expect this to seal high pressure water or stop a leak in a tire. There are limits to its flexibility too. When you can, seal from the inside AND the outside. Use the tape whenever possible as it works the "best" of the products and is insanely tough.4. A little goes a short way. It doesn't cover as much area as you would think. Always get extra.5. Using a screen door in the commercials wasn't an accident. When covering a large area, stick a screen type material to the area and screw it in place. Then use flex seal to cover the gaps in the screen. Use many coats, go slow and the kind of gimmick you see in the commercial is possible. If you cut a 4 inch by 4 inch hole in something, don't expect flex seal alone to seal it. Use a backing material.6. If you are getting bubbles in the flex seal spray you are putting it on too thick. Relax. Put on thinner coats and apply slower. Give it a few minutes to get tacky, then retry.7. Final PRO TIP: CLEAN THE APPLICATION SURFACE. This one is a no brainer, but over and over again I read about people not doing the prep work. Using de-natured alcohol is best if you can. It leaves no residue and on a clean surface like that it makes Flex Seal stick like you wouldn't believe. This is the most important thing other than choosing the right kind of flex seal to use IMHO.Good luck!P.S. One more thing you can do is use painters tape or the like to cover from over-spray. Really if you treat it like a super thick paint, most of the same principles apply.
5.0 out of 5 stars Stopped the leak in my roof
Working for now on a 18 year old roof. Had no idea I had a problem until water started coming through an exhaust fan in a bathroom. Went up into the attic and realized I have a problem. Had no idea but from the looks of it, it's been leaking for a while. Doesn't spray well at odd angles but did the job. Hoping I've bought some time because my quote for a new roof was 30k. Would definitely buy again. So far it's working...
3.0 out of 5 stars Seals and gives a good flexible protective coating.
Flex Seal spray has good penetration for cracks. It builds fast, has great coverage, seals and levels itself if you spray too much in one area. Leaves a fantastic overall finish but takes a day or two to dry.Flex Seal gray color, in the spray-can, label and cap are deceptive and are not the color it depicts. The performance of the product is outstanding but IMO the milky color or hue of the gray in the spray-can is better suited for marine applications and not for automotive aesthetic. The color of the gray spray you see in video and photo reviews is what it is!So be sure to need the functionality of the product and not in hopes for a darker color of the gray in person or on your application.The pale gray you see in my photo is the actual color I coated the dash board in my truck and IMO doesn’t fit with any automotive interior color scheme. That gray color is not even close and actually looks even worse in person for a gray color, than what you see in the reviews, for the price.I give a healthy five stars for performance of the product minus one star for mislabeling and minus another for the gray only being offered online, for the price!
5.0 out of 5 stars Miracle product
Used to perfectly seal a foundation crack.
5.0 out of 5 stars Flex Seal
Perfect product for around-the-house jobs.
Perfeito
Excelente! Cumpre exatamente o que propõe
seals where ever you spray it.
with a good coating on the leak, its great. I sprayed on cement to a wood, and so far NOTHING!!! Stayed dry
Únicamente que es lo que necesitaba mi esposa para los trabajos que realiza.
Le gustó a mi esposa porque le sirve muy bien para los trabajos que realiza
Sella como indica
Realiza su trabajo como indica, aunque no se aprecia que realmente es una botella muy pequeña para pocas aplicaciones. Necesitare mas.Muy desordenada la instalación, recomiendo cubrir bien lo que este alrededor que no sera protegido.
Buen producto y util
Me fue útil exactamente para lo que quería, tenía una fuga en una tubería compleja del lavabo, por mucho que use silicon normal no secaba a tiempo, con este producto solo tuve que rociar dos veces, dos capas para asegurarme que quedara y la fuga ya no existe por el momento.Recomiendo usar dos o tres veces sobre la zona que necesiten, huele bastante así que traten de no estar encerrados o ventilar el area y parece duradero hasta ahora. Tener en cuanta que son fisuras pequeñas o algo que no agregue mucha tensión, ya que al ser spray las capas que pone son delgadas.
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Flex Seal, 14 oz, Brown, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More
BHD14128
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Product origin: United States
Electrical items shipped from the US are by default considered to be 120v, unless stated otherwise in the product description. Contact Bolo support for voltage information of specific products. A step-up transformer is required to convert from 120v to 240v. All heating electrical items of 120v will be automatically cancelled.
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