Is Flex Seal What You Need For DIY Home Repairs And Fixes?

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Flex SealFlex Seal is taking a product that has been around for a long time, and marketing it to the public as an all-in-one fix for many problems around the home. If you watch their promo, you will no doubt think of things around your own home that need fixing and would wonder if this does the trick.

What is Flex Seal?

Flex Seal is a liquid rubber innovative product on the market that is specifically designed to seal, coat, protect, and stop leaks quickly.

How Much Does Flex Seal Cost?

When ordering from the Flex Seal Website, the price is $12.99 for a 14-ounce can. When ordering from Amazon, the price for a 14 ounce can is $19.99.

How Does Flex Seal Work? 

This product comes in an aerosol spray can. The product sprays out as a liquid and then seeps into cracks and holes, it dries and then creates a seal. It dries as a strong, rubberized coating.  This product can seal out moisture, water, and air.

It also acts as a protectant against rust and corrosion. It can be used on both wet and dry surfaces. The product can also be used as a noise control product as it stops vibrations, which deadens noise. This product also provides UV protection.

Special Directions For Use

Using Flex Seal

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  • As with any product containing chemicals, you should always wear Personal Protective Equipment such as face and eye protection, gloves, and clothing.

 

  • Use in a well-ventilated area as the vapor from this product can build up.

 

  • Never use this product near sparks, heat, pilot lights, or any other source of ignition.

 

  • Always make sure the surface that you are going to use Flex Seal on is clean and dry and free from oil, dirt, and grease.

 

  • Always shake the can well.

 

  • Hold the can 8 to 12 inches away from the surface you are going to spray and use an even sweeping motion.

 

  • Fill all cracks and holes by applying multiple even coats and allowing the product to completely dry 24 to 48 hours before applying each coat.

 

  • Allow the product to cure fully, usually 24 – 48 hours before painting.

Tips For Its Use

Roof Repairs

For best results using this product, always spray a larger area than the area that needs to be sealed.

  • Feather out the edges.
  • It is better to apply multiple coats as opposed to one thick coat.
  • Use at can temperatures above 60 degrees F.
  • Make sure the product has fully filled all cracks.
  • Allow the product to fully cure before testing the area.
  • The light should not be able to pass through the area, if it does, simply apply additional coats.

 

What are Its Features?

Flex Seal Uses

The Company states that the product has the following features:

  • It is portable and easy to use
  • The product won’t drip or sag in summer temperatures
  • It stays flexible and pliable
  • It lasts for years
  • Protects against surface corrosion
  • Stops vibrations and deadens noise
  • Can be used on dry or wet surfaces
  • Can be painted any color once the product has completely cured
  • It is available in 12 colors

What Can I Use This Product On?

Flex Seal For Repairs

Flex Seal is a very versatile product and can be used on many things, such as:

  • Roof leaks
  • skylights
  • Mobile Home Roofs
  • gutters
  • Arts and Crafts
  • flashings
  • PVC Pipes
  • RV’s
  • Hoses
  • Campers
  • Window sills
  • PVC Pipes
  • Vent Pipes
  • Duct Work
  • Gutters
  • Boats
  • Chimneys
  • Fountains
  • Metal Roofs
  • Boats
  • Cars
  • Sports Equipment

And many more surfaces. However, Flex Seal may not be compatible with all rubber, vinyl, and plastic surfaces.

How Do I Apply Flex Seal?

Flex Seal can be directly applied from the aerosol can or can be sprayed into a dish and applied with a paintbrush. It can also be rolled on. It may be easier to purchase the Flex Seal Liquid version if you are planning to paint or roll on the product.

What Colours Is Flex Seal Available In?

Fles Seal Colors

Flex Seal is available in the following colors:

  • Clear
  • White
  • Black
  • Gray
  • Red
  • Brite (White)
  • Yellow
  • Terra-Cotta
  • Blue
  • Green
  • Almond
  • Brown

Although this product  is available in many colors, once the product has fully dried, it is completely paintable. It  is normally dry to the touch within 2 to 3 hours. However, it takes 24 hours to be fully cured.

How Much Coverage Will I Get From 1 Can?

Depending on the surface you are applying the product on and the number of coats required, coverage will vary.

One 14 ounce can will cover up to 12 Square Feet. A mini 2 ounce can will cover up to 2 Square Feet.

Is Flex Seal Clear Exactly the Same Potency As Flex Seal Original Or Brite? 

No, it is not the same as Flex Seal Original or Flex Seal Brite. In order to make the product transparent, some adjustments had to be made to the product. Flex Seal Clear is a thinner consistency and may require many more coats.

What Uses Are Excluded From Flex Seal?

Flex Seal should never be used on any flammable material, this includes oil tanks and gasoline tanks.

This product should never be used on high heat or high-pressure items, as this product is not made to withstand extreme heat or pressure. Therefore this product should not be used on tires, radiators and other high heat and high-pressure items.

Flex Seal should never be used to seal the inside of a drinking water tank, as the product should never come into direct contact with drinking water.

Flex Seal is not affiliated with GAF. Therefore it is not recommended to be used by professional roofers.

How Long will The Repair Last?

The length of time this product will last has several variances. It depends on the number of coats that have been applied, what the environment is, whether you maintain the area, and whether you applied the product to a wet or dry surface. If applied properly, the company states this product will last for years without peeling, cracking or losing its flexibility, strength or sealing properties.

Flex Seal Customer Reviews

Reviews

As with many products, it has received many mixed reviews. The overall rating, according to Amazon, is 3.7 out of 5 stars. Some customers have stated that this product has a bad odor, requires many coats, and does not work while other customers found the product works like magic. Keep in mind that the customers may or may not have applied the product properly.

Our Recommendation

The only real way to find out if a product truly works is to purchase it and try it out yourself. Ensuring you fully follow the directions, will be the telltale if the product works or not. Keep in mind this product may work on some uses, but perhaps not all uses the company claims that it does.

Be sure to share with your friends and family.

If you have some experiences with Flex Seal, why not share them with us.

93 Customer Reviews on “Is Flex Seal What You Need For DIY Home Repairs And Fixes?

  1. Bought this gallon flex seal for cracked foundation; flex seal does what it says.
    I applied as recommended and haven’t had to mop the floor since; already received five inches of rain in less than 48 hours and no problem.

  2. I have tried to stop a leak several times. It doesn’t work. Leaks just as bad as before I even used it.

  3. Flex doen’t work brought sealant and tape could not stop leak in a water hose.. Waste of money and time. If you don’t believe buy some but don’t get angry went you are disappointed.

  4. Flex Seal is an advertising genius and that’s it. I went ahead and bought 2 gallons for a project coming up 2 months later. I asked if Flex Seal would stick to EPDM, the salesgirl said no. She told me a supervisor would call, he did but he said oh yes it will stick. Umm, right before applying it I called and checked one again after hearing from an EPDM dealer who disagreed with the supervisor. The exact same routine, girl has supervisor call, one does and says yes it works. I cleaned everything very well, applied it and 30 days later it started peeling. Yes it all came off, yes it does not stick to epdm, yes Flex Seal would not refund money in the 1st gallon or return the unopened 2nd gallon because it was 10 days past the 60 day return policy. Scam Artist okay, I’ll find something it’ll work on ..
    Right again, it came off wood in 5 months, used it to seal lights on the boat trailer which lasted until the end of summer. Great Advertising but there’s many other reputable rubber products. Fool me once?

  5. There is a product for radiators cars called I think barks leak. Or something along those lines . Check at your local auto zone or whatevers . It works great on car radiators.

  6. If you spray it on the outside of a rad you block air flow. Now the rad cant do what it was made to do, which is move air THROUGH the spaces between the fins to let the fins dissipate air. I would LOVE to see him pour it into the rad and permanently screw up your vehicle. Go to the wreckers and buy a used rad ffs

  7. be very careful using the stop leak that you pour into your radiator the may stop your leak but they also plug your heater core and radiator core too.

  8. Im currently attempting to use the newest product “Flex Tape” from the same company that makes Flex Seal to fix a corrosion made hole in the chrome trap under my bathroom sink. I chose this specific version of their product line bc it specifically says it works whether the surface is wet or dry, & the sink also leaks so even with the water off, i cant get the pipe dry. So, i patch it w/ a square cut piece. The instructions say to get out any air bubbles, which i quickly realized was impossible with this product on a rounded surface. So i cut more pieces, thinner, rectangular shaped & used to patch overlapping the ends of the 1st piece. Still dripping. I did this repeatedly, approx 5 separate times, going over the same area, using about 1/2 the roll b4 just now realizing this will not work. Im gonna break out the caulk & just go over this entire blob of a cast looking mess. Ii don’t know anything about plumbing and i rent this apartment. But my landlord has never come to fix anything here. Hallway lights flicker like a horror movie, my living room ceiling fan instantly sparks & trips the breaker every time i turn it on, my toilets bn running since i moved in, etc… So this is pretty much up to me & i have no idea what to do. So, idk, keep this in mind if it applies b4 purchasing this product ($12-15 @ Walmart)

  9. was looking for an answer to see it this stuff holds pressure (cant find one) anyway in answer to your question i have 3 skylites and have tried multiple products to stop leaks that dont. So figured i would try this stuff and can tell you i am well pleased with it. No problems yet we get storms about everyday (Florida) to be safe i did put a coat on one day then 2 days later put another coat on. I would recommend this. Tom

  10. If you have a General Dollar store its 13 bucks. I have a slow leak on my main line coming into house..so I put it on that..hope it works and dont explode hahahah

  11. As a Garden railroader, I bought flex seal to waterproof my buildings. Paint was peeling off of them. Knowing that this stuff is paintable, I sprayed this stuff as a primer. Waited a day for it to cure just to be safe.it was dry. I also bought flex tape to fix a leak in my pond. So far I haven’t lost any water.

  12. I have an aluminum roof on an add-on patio. The roof has 4 seams – last year the seams started leaking so I first used the paint and really got in the seams thoroughly. That worked for a while but a few months later the seams started leaking again. This time I used the spray. That didn’t work at all. Total waste of money. So, doesn’t work on aluminum is my take away on this.

  13. I have a plastic canoe with a very small crack in it. I have just applied a coat on the inside and the outside of the canoe. Hoping this will work. Has anyone used it for Canoe fixing? thanks!

  14. I Bought To Seal A Pin Size Hole In My Shower Hose. DID NOT WORK. DOES NOT WORK IN WATER. VERY DISAPPOINTED.

  15. Hello I’ve never used flex seal ever but I have a pin hole size leak on my solar panel for my pool, not a bad leak but a leak none the less just wondering if anyone knows if this would work on it? The leak is near the joint not in the middle of the panel

  16. Is this a supply side pipe under pressure. If so, you are too optimistic with regard to this product. Supply side water lines are at pressures that can overcome copper piping. You can’t expect rubberized tape to outperform copper, can you?
    John

  17. …i realize this is 4 years later, but have to ask. How the heck did it make the leak WORSE? Did it erode the edges of the hole and make them larger? B/c I’m planning to use some around the edge of a skylight on our roof….

  18. I used it on a floor for a crack in concrete and is now peeling off can I re seal over or do I have to completely take it all off and redo it again

  19. My husbands first thinks he can pour it into our leaky radiator. I told him “no” that would be crazy it might seal the tubes or whatever you call everything that hooks up to the radiator. So, he now is wondering if we find the spot where the radiator is leaking and spray that spot with a couple of coats, that that would work! I seriously don’t think it will. we can’t afford a new radiator and don’t know when we will be able too. We did try that other stuff…for leaky radiators. It’s helped some. I just carry a lot of water with me. I fill it up with water before I leave and depending how long I’ve driven I might have to add more. Yes, I’m careful and wait for the car to cool before I open the radiator cap. Anyhow, anyone have any idea’s on how to try and use flex seal. Yes, I have also read how some have said it’s just it’s a “gimmick” Well, my mom swore by gimmicks and 9 out of 10 always worked for her. This also was before the “Internet” world was in everyone’s homes!

  20. Do not waste your money. This product doesn’t work as advertised, it’s crap
    It’s very messy and will not work
    Gorilla glue works a whole lot better

  21. Says it will not work on some plastics. Have patched roor 3 years ago no problem. Used to patch rotted out door frame. Took several coats, but was much easier than replacing food frame. (Been at least 3 years I think).

  22. Don’t waste your money. I used the tape and the spray on a pin hole size water leak on PVC pipe, it doesn’t work. Water still sprays out the pin hole size leak. This stuff is not worth the money, but does a great job marketing it on TV. WORTHLESS. Don’t waste your money.

  23. I have an uninstalled jacuzzi tub, i want to cut off all the pipes that have to do with jets and just create a regular soaker tub, can i use flex seal on the holes that will be left where the jets once were?

  24. I used it SUCCESSFULLY on a cement bird bath, a seeping basement wall/floor area and I’m willing to try it on a yellowed plastic bathtub. Make sure the area is well ventilated. Has anyone tried this on a bathtub?

  25. I have checked almost every “as seen on TV” product by reading customer reviews on the internet. Judging by the almost unanimous negative reviews of such products, I conclude that it is wise to never buy anything off of TV. That is especially true of those products that all share the same spiel; “but wait! if you order now, we will double the offer; just pay additional shipping and handling”. Like others, I too am curious about the claims made by these “wonder” products. If I can find it locally, I may try it. At least I can return it if not satisfied. When you buy off of TV, if you are not satisfied, you have to Pay to return it.

  26. Apply some Gorilla Glue, Then Gorilla Tape… Fxxxsexl, more Gorilla tape… So far so good on the Queen Airbed… Beforehand, blow up the bed to capacity, make sure the room is completely quiet, you can do this in conjuction to the spray bottle advice if necessary… The cans say it can take 24 to 48 hours to dry… it IS a messy product… If I had to choose, so far it would be the max strength Gorilla glue… but using all of this together should hold…. I had a pinhole size hole, and now I have a massive tear in a seam that’s about an inch long… so far (knock on wood… or rubber) it’s in fact holding… Use all of these products to help the seal…

  27. This stuff is crap, tried to use it on something that would work but no go. don’t waste ur money

  28. Does flex seal work on a wooden porch swing and/or outside benches?. I have cancer and do not feel like sanding the surfaces.

  29. Has anyone tried on a pontoon tube one of ours leaks but don’t know where thought about covering whole thing to remedy problem

  30. I have a leak in roof can I use it on whole roof is it going to stop leak I’m looking for a temporary fix I’m doing work on home need to stop leak so I can go inside and do inside work paint ect..

  31. Did you get any answers? Mine is rusty but dry. I do not expect it would adhere to oily surfaces. I am also concerned if it could take the heat.

  32. Was wondering f Renee&Dee had luck I their wet fixes?One a pool with roots poked holes in bottom,one the fittings around the fixtures on their pool.Have crack on side of my tub.Please let me know.

  33. If this stuff was any good, boats would be made out of screen and flex seal, U.S.Navy submarines would not have any leaks, and none of us would need to wear adult diapers

  34. Put it on a kitchen sink didn’t work now trying to get it off is there any easy way to get it off

  35. I’d really like to know if this worked. I’m getting ready to try this exact thing and reason tomorrow. Please shoot me an email please!

  36. On the amazon reviews someone said he used it on the back of his toilet and it hasn’t leaked in a year, so I am thinking a tub would work also.

  37. Bought a can at Walgreens to try and repair a crack in the bath tub which is leaking water out down on the floor after baths and showers etc. I sprayed it last night and sprayed another coat this morning. Sure hope it works. Otherwise it’s buy another bath tub. 🙁

  38. Does not work. Had a metal feeder that leaked through small holes in the lid. Tried flex seal on both sides of the lid. A year later, i had a mess to clean up. The flex seal on the top side had cracked/broken into many pieces, letting water get in.

  39. Really wanted to buy Flex Seal for my modular’s roof but now after reading what a pain in the butt it is to deal with the company I think I’ll pass.

  40. To find the leak, mix up some soapy water in a spray bottle. Spray liberally until the leak(s) become evident from bubbles. Don’t forget that it could be an inlet or outlet valve as well. You can buy patch kits for it…they sell them for mattresses and rafts and such.

  41. First of all CONTACT CREDIT CARD COMPANY anytime your unhappy. MOst cards double warranties, return dates, garuntee price match, and gauruntee that your not being ripped off.. Please don!t feel embarrassed we have all screwed the pooch per say. Credit cards are tools with resources we simply Don!t have as individuals. Let the Credit Card company do the work even if it is a little time down the road. Might be to late to stop payment but they have other tools and most of them under your benefits protect you for up to 180 days. Second every leak is different and there is usually a great sealant for your task. For plum binging , roofs, cutters, go to a professional store not big box. They actually usually have professionals working there. If you are a good diy!r big box and auto stores offer biggest selection. Remember different sealants will be general area of use roofing, plumbing etc. Go thru check list1) conditions ex. Use while wet cold/ hot etc. 2) prep. 3) Pottable(working time) if two pt time you have to use material. 4) set time(time where products stay together without force). 5) Working time (time it takes for sealant to start securing usually chemically) usually 4th of cure time. 6) cure time( time it takes for product to be completely usable. Feel free to ask for advice. NOT RESPOSIBLE for any type of Injury, equipment, product damage, not liable for pets , children, people who should pay to have work done. This is only advice please consult Proffessional Please use your CREDIT CARD as the anti slam TOOL that it is. Not liable but will try to help. Wally Da Honey list doer

  42. I have a garage that is over our living area that is 45 years old and the garage floor that is concrete has gotten pitted and when we drive our car into the garage in the winter and the snow melts off of our cars the water would seep thru the garage floor and come down into our living room ceiling. I tried flex shield gallon cans and spread it over our entire garage floor and it works great. We would empty a can on the garage floor and spread it around with a squeegie and then go over it with a roller to even it out. No more leaks.

  43. Seems like the cost of the flex seal verses the cost of a new bucket wouldn’t have been a cost effective result even if it did work.

  44. shipped me wrong stuff called cc disputed charge give me refund les 7.95 for shipping told them I want the 7.95 because its your mistake u pay for your mistakes I don’t lets see what happens

  45. I understand that water pressure affects the effectiveness of the product. Has anybody tried this with airbed leaks. I would think the air pressure without someone lying on the bed may prove it useless as well let alone with someone of some weight lying down on the airbed. I have an expensive queen airbed with built in air inflation system (run by electrical plug to socket) that has a leak I’ve yet to find but must now re-inflate every 40 minutes now. It’s all I have to sleep on while I save for a quality mattress on my fixed SSI as I have physical condition with my spine that makes sleeping a difficult proposition. The airbed actually has been the most comfortable sleep I’ve had in years. So buying another airbed or quality mattress is a costly event I am saving for but need to make what I’ve got last until then. Anybody tried FlexSeal on an airbed yet? Please advise results and thanks. in advance.

  46. I tried it inside a bucket I use to hold wax. It had a few small cracks in one corner. After using flex seal about 3 or 4 times o the inside and outside guess what happened? It did not work. The bucket continued to leak so I through out the bucket and the flex seal. Go figure! Now how bout those Red Sox!!!

  47. Contact your credit card company if you haven’t already and file a complaint. You might just get all your $ back. CC companies don’t like sham offers that screw their customers or companies that give you the run around.

  48. Had just a pin leak in the water hose, replaced with a hose repair kit (the one with a connector and clamps) Still had a small leak..used the flex seal on the whole thing (it was dry at that time because water was off) and did not stop the leak. (Flex Seal 15.00 at Walmart, new water hose 10.00 at Dollar store)

  49. Well I can’t wait to see if it works on a couple leaks on the fittings on my pool because its already filled so I am gonna buy it at Walmart and will let people know if it really does work on wet surfaces. If it does or doesn’t work the good thing is if it doesn’t work I can always take it back to Walmart and get my money back no loss. So keep an eye out for my comment on if it really does work.

  50. Does anyone have advice about me trying it on the bottom of of my above ground pool that has all of a sudden had tree roots starting to come up through at the end of last year, they are little pin prick sized holes please help, I really need advice on this, it sounds like a good idea to me, but, I don’t want to waste money if it doesn’t work

  51. I tried this because we had a gutter that was gushing at a seam and could not afford to replace the gutter. I sprayed it once. Left it dry overnight and 24 hours sprayed it again. Just for safe measure I repeated a 3rd time. Next time it rained I checked the gutter and it was only leaking in one small spot. I large improvement. I was able to then wait until the next sunny day and was able to spray it a 4th and the next day a 5th time. During the next rain, there was no leak. I would not say that it worked like the commercials, but it did save me a few hundred dollars to not have to replace a gutter. It was also very messy and had some dip down the side of my house. However I would prefer the few white drips to the water damage that was likely to have occurred. While not a perfect solution, I think it would be beneficial to keep around the house and have added it to my tool bag.

  52. This saved me $4,350 on emergency plumbing! After a plumber told me “these nothing invented to stop water leaks”…. hahaha no payday from me there! (For leaks use duck tape first then apply a coat of flex seal, it will drip so use gloves a towel, wait an hour for the seal to dry….then give it another coat) it works! I had several leaks from pipes under my house STOPPED! 🙂

  53. Went to the website and got fooled by the offer. 2 cans of seal and 1 of shot for $19.99. plus s+h..
    what they arent telling you “h” is $9.99 EACH can and then the “s” $9.95..and tax..for a total of $53.11!
    Here begins the fun part..
    After seeing the ridiculous total for the $19.99 offer..I had to enter my CC info to get the total..I decided not to order and exited the website. Amazon has an offer for 2 cans for $24.95..FREE shipping.
    I placed my order and checking my bank I find that the $53.11 for the other offer has been processed.
    WTF!! I call the wonderful folks at F**xseal and asked to please cancel the order which was too late as the order was being “filled at this moment” “All I can do is remove one of the handling charges.”
    I agree to the term so I might get on with my life..so wrong was I…
    My phone rings a few days later…its some quick speaking youngster who tells me along with my order I will be receiving “$100 in gas coupons”..”along with some other offers for you to review for only one dollar”. Wait..what?? AND if I want the offer to continue it will automatically charge my CC $29.95 A MONTH!!
    I adamantly refuse and get switched to another smooth talker and again I refuse over and over. Finally get off the phone..kinda po’d but life moves on…again WRONG..
    The Amazon order arrives and there are 2- 14oz cans. That was 4 days ago. I tried to cancel the first order – paid crazy amounts of shipping for it – and placed the Amazon order on the SAME DAY. Today the F**xseal order was delivered..
    2 cans..They are 10oz!! and what else?

    They still charged me the shipping.
    Havent even tried it yet…

  54. I’m glad to hear that other people have had success with this product. Unfortunately, I have tried it in a number of different situations without success. For example,I tried to seal a leaky water pipe joint and a small hole in a pool solar panel but the seal would not hold under any water pressure. If you are contemplating using it for such applications, save your money. It’s also a very messy product to use. It seems to stick to everything other than where it should.

  55. I tried it on my drain pipe for the sink in my rv and it didn’t work. I couldn’t get it completely dry before appplying it and I think that’s why it didn’t work. I would like to know if it is safe for my rv rubber roof. I can’t use any products with petroleum in them.

  56. (Cont.) tub and tub walls?? Or will flex paint be good without painting enamel and St white through wear and use

  57. Does this paint work for a porcelain TUB?? Pitted in bottom and flaking application of tub epoxy makes it scary looking. Can I put in two coats the spray enamel paint on tub and ealls

  58. I am 66 years old and have no one to help with fixing up issues around the house. My washing machine, a 6 month old LG, just sprang a huge leak in the drain hose underneath the machine. I mopped up all the water that ran out from under the machine. Then I tilted the machine back at a 45* angle, found the split in the drain hose, which can NOT be removed from the bottom of the machine, and I have began to spray multiple layers of the Flex Seal all over the crack in this hose. I am PRAYING this stuff will work as advertised…..I just sprayed a third coat….am going to let this coat dry and will apply more…..My God, I hope this works…..your review has given me encouragement…..

  59. Does not work as advertised, Tried it on the gutters and they still leak. It’s messy and even though it now comes in white and clear its an eye soar. Only use if its a flat, large surface that doesn’t need to be neatly applied. Also wear gloves. I had it all over my hands before I had had half coat on.

  60. This stuff does not work. I bought two cans to seal the holes in the plastic coated screen used as a skylight for my patio and it had 1.5 days to dry. It’s worthless. Today’s rain proved the leaking is now worse than prior to applying it. I wouldn’t waste my money. The screen door attached to a boat ploy on TV is false advertising.

  61. There are a whole bunch of uses for liquid rubber. But you probably should not cut out the bottom of a boat, replace it with a screen door, spray the whole thing with a ton of Flex Seal, and then try rowing it across a lake. That’s what happens in the commercial. Don’t be fooled. But if you want to fix a leak in a hose, or an issue on your roof, Flex Seal works really well. Something like this should be in every homeowner’s tool kit. And if you rent, this is probably already in your super’s tool kit.

  62. I bought the Flex Seal on a desperate move. My husband was out of town and my washing machine sprung a leak underneath. I leaned the washer back, propped it up on bricks and headed off to purchase the Flex Seal. I let the drip dry, then I took a cloth and dried it again. I sprayed the Flex Seal over the hole and put a fan on it to dry. In two hours it was dry, so time to test it. I filled up the washer and no drip. It has been six months and it still hasn’t started leaking. The Flex Seal works. It really does!

  63. We put a new porch roof on last summer. it comes up over the house roof. Put new shingles on it. Had a couple of rains and it leaked somewhere. We checked everything, even had a contractor check it. Can’t seem to find it. Now as of this spring, it has not leaked at all. we closed in the porch, and want to finish the inside. But I am afraid it might leak again. So my husband decided to buy some flex seal to run down the crease on both sides of the porch roof where it was molded into the house roof. Before we use it, I want to know if it really works, and is there a time to do it, or can you put it on when the roof is HOT! Will it break down over the years, can we trust it. Thanks for all your help

  64. Flex seal rocks!
    I’ve used it a few times now, the ones that spring to mind are fixing a leaking roof in my shed and the most crazy one is i’ve used it on the underside of my car.
    I needed some welding work done on the underside of the car and used flex seal to spray over to water proof it. has worked a treat so far!

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