Flex Seal has a consumer rating of 1.6 stars from 161 reviews indicating that most customers are generally dissatisfied with their purchases. Consumers complaining about Flex Seal most frequently mention credit card and customer service problems.Flex Seal ranks 105th among Plumbing sites. Service 24
Full Answer
Does flex paste really work as advertised?
Yes. Flex Glue is an incredibly powerful adhesive that can be used for all manner of things. The main selling point of Flex Glue is not only how quickly it works but the fact that you can apply it to all manner of surfaces, even when they are wet or underwater.
How good is flex paste?
Flex Paste is a super thick rubberized paste that clings to the surface and instantly fills large gaps, cracks and holes. Once dry, Flex Paste turns into a strong, flexible, watertight, rubberized coating that seals out air, water and moisture on a variety of surfaces and objects.
Is Flex Seal worth it?
Is Flex Seal worth every penny? Initially when you take a look at the price, it might seem a little expensive, but in the end it’s worth it because it saves a lot of time and is a hassle free procedure when it comes to home repairs or other miscellaneous quick fixes that could be done normally without calling someone.
Is flex paste toxic?
Yes, Flex Seal liquid is safe to repair your bird bath with, once it’s been fully cured that is. Flex Seal will usually dry to the touch in about 3 to 4 hours and will be fully cured in 24 hours.
Negative Points
Warnings
Is Flex Paste for real?
Flex Paste is a thick, rubberized paste that is supposed to instantly fill gaps and holes. It's also supposed to cling to the surface, and once dry, it should be a flexible, strong, rubberized and watertight coating that seals out air, water and moisture.02-Oct-2020
What will Flex Paste not stick to?
Flex Seal works on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, some types of vinyl and much more. But it may not be compatible with all plastics, certain types of vinyl, and rubbers.08-Apr-2020
Does Flex Paste get hard?
A: YES, Flex Paste dries into a strong, flexible rubber that expands and contracts with the surfaces to which it's adhered.
How long does Flex Seal paste last?
Q: How long does it last? A: Flex Shot will last up to 30 years and will not fade, dry, crack, yellow or deteriorate.
Can you spray Flex Seal over Flex Paste?
Flex Seal Liquid cannot be top coated with anything other than Flex Seal Liquid, however, you can add as many coats as you like. Just allow Flex Seal Liquid to fully dry between coats.
Can mice chew through Flex Seal?
3:575:03Flex Paste vs. Rodents. Does Flex Paste Actually Block ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut even though they scraped it away it was just one layer it kept them out. So overall when itMoreBut even though they scraped it away it was just one layer it kept them out. So overall when it comes to blocking rodent holes I'm really impressed with the Flex pace.
How long does it take for Flex Paste to seal?
24-48 hoursOnce Flex Paste is exposed to air or moisture or humidity it begins to cure, forming a skin within 15 to 30 minutes. Flex Paste FULLY cures within 24-48 hours. Remember, it is very important to replace the protective foil as much as possible while you are working to keep your unused Flex Paste from drying out.
What is Flex Paste good for?
Flex Paste is a super thick rubberized paste that starts out as a thick paste and dries to a strong, flexible, rubber coating. It works great on wet or dry surfaces and can even be used underwater. Use it to fill cracks & holes and on indoor & outdoor projects or repairs. Great seal that stops leaks fast.
How do you use Flex Paste?
0:363:53Flex Ed 101: How to Use Flex Paste - YouTubeYouTubeStart of suggested clipEnd of suggested clipThat could dry out your flex paste replace the protective foil as much as you can while working toMoreThat could dry out your flex paste replace the protective foil as much as you can while working to prevent drying during application apply a generous amount to the surface. Using an even motion.
Does Flex Seal paste come in gray?
Available in black, white, clear and gray.
Is Flex Paste toxic?
Yes. Flex Seal Liquid is non toxic and food grade safe.
Does Flexmax really work?
Does Flex Seal really work? Yes it does! Many users have had great success with using Flex Seal for a variety of uses. Whether you are using it to fix a leak, prepare for a storm or using it as a sealant, we know that you will be impressed with Flex Seal.
Does Flex Paste stick to silicone?
The Flex Seal Liquid adheres to most surfaces, including metal, but not silicone. We recommend removing the silicone first, then making sure to clean and dry the area before applying the product for the best results.
Does silicone stick to Flex Seal?
No, Flexible Seal will not adhere to Silicone. All of the old silicone material will have to be removed and the area cleaned with a “silicone remover” prior to application of Flexible Seal.02-May-2020
Will Flex Seal stick to galvanized metal?
Can You Use Flex Seal On Galvanized Metal? Flex Seal Liquid has been used successfully for applications like this by many people. Prior to application, the galvanized metal should be clean, dry, and free of oils. Flex seals bubbled up on every inch of surface that was underwater within a day.03-Dec-2021
Does Flex tape stick to concrete?
Flex Tape works on most surfaces, including: acyrlic, metal, steel, copper, aluminium, wood, ceramic, porcelain, tile, glass, rubber, fiberglass, stucco, plaster, stone, cement, concrete, drywall, EPDM roofs, some plastics, fabrics, vinyls and more.
Is it possible to create a rubberized coating on something by doing several layers?
If the area your covering is large, I would recommend at least two coats of protection, even though one solid layer will give you a rubberized coat...
What temperature requirement do you have?
Flex Paste can be applied in a wide range of temperatures. Once cured, it can be applied in a wider range of temperatures from 40 to 200F.
Is it possible to fix crack in small ref/frezer with this?
Although some customers have found success with similar applications, it has not been tested for its safety when coming in contact with items used...
Is it possible to use this to repair driveway cracks?
Allow 24 hours for the best adhesion, and follow the instruction on the tub to make sure the unused product doesn't cure.
Is it possible to use it on patching wood?
It can be used on wood according to the information provided by the internet search engine.
What is Flex Paste?
Flex Paste is a substance that's been designed to seal cracks and holes in virtually any surface by transforming into a flexible, expandable form of rubber as it dries. Aside from sealing cracks and holes and completing other home repairs, it's stated that you might find this substance suitable for crafting projects, as a variation of modeling clay. The formula comes in containers of five different sizes, and regardless of the size you select, you'll have a choice between the shades of white and black.
How long does it take for Flex Paste to cure?
After you've applied enough coats of Flex Paste to your chosen object or area, let it cure in place for 24 to 48 hours, as this will enable it to turn into durable rubber. If it still appears soft or wet after this time period is over, you may need to cure it for longer.
How many ounces of Flex Paste cartridges are there?
You'll also be able to choose your container size, basing that decision on your own needs. The smallest size of Flex Paste is the nine-ounce cartridge, which you'll have to put into a caulking gun, but you can get tubs ranging in weight from one to 12 pounds. If you choose any of these tubs, you won't require a caulking gun.
How to get paste out of a container?
Grab a putty knife, a spatula, a trowel or some similar tool, and scoop a portion of paste from the container without digging down deep. Once you've got some paste on your spatula (or whichever tool you've chosen to use), begin applying it gently and smoothly to the surface you need to treat.
Can you use Flex Paste on wood?
For Indoor or Outdoor Use. Flex Paste can be used either indoors or outdoors, on almost any surface, such as wood, metal, tile, glass or concrete. The seal that it creates will be watertight, so you can use it in something that's going to be filled with water, as long as humans or other living things won't be drinking that water.
Can you use acetone to remove paste from skin?
If any of the paste is on your skin, you can use acetone to remove it, but you must not use water to clean the paste off of anything. Once you and your work area are fairly clean, replace the foil on your paste container, making sure that you press it against the edges extremely tightly.
Does a sandpaper paste smell?
It's also resistant to damage that might come from UV rays, mildew, and certain types of weather, such as rain and snow. No Odor After Curing. It's specified that this paste will give off a bit of an odor as someone is applying it, but that this odor will disappear after the paste has cured.
Users of this product said
I have been using this product for a couple of weeks now and I have to say it is a very good product to use for filling large holes in the wall or roof.
Question & Answers
Is it possible to layer it multiple times or one thick layer over a surface in order to have a rubberized coating?
From Canada
Does not work under water as stated! Stays on putty knife and will not spread under water. Just globs and falls to bottom of pool! Great product for sealing around things. Was not sealed the best and had to waste quite a big ring of paste as they had not air sealed it the best. Also seemed to not be that full of a pail.
From other countries
Seems to be a good product, unfortunately some sellers are ripping people off. I bought a 3 pound tub here on Amazon for just shy of $100. I realized that it wasn't going to be enough, so I went directly to the manufacturers website and bought 3 more (they were out of stock on the bigger sizes).
Flex Seal - clear flex tape
I used flex tape clear on the underside of a tin roof where two lengths of tin overlapped end to end and the joint leeked.
Flex Seal - Flex Seal Paste and Customer Service
I purchased Flex Seal Paste in a 3 lb. tub at Ace Hardware. About 25 percent of the product was already cured inside the tub. I bought another 3 lb. tub at the same Ace Hardware. About 25 percent of that tub was already cured and unusable. I contacted Flex Seal Family of Products on their website contact form.
Flex Seal - Flex paste
I bought and used the flex paste EXACTLY as stated on the container. I was attempting to seal a leak around one of the windows of an above ground pool. It did not work on the outside so I used it on the inside. Finally went all the way around the window BOTH inside AND outside.
Flex Seal - 2 oz white spray
Had a pinhole like in my pvc 3/4" water pipe. Followed instructions on the can and applied 2-3 coats. After 24 hours, leak was still there. Saw this advertised on tv and thought it would work. Wrong...waste of time and money email address [protected]@gmail.com
Flex Seal - Flex seal liquid in aerosol can nozzle exploded off and product went into face
Grabbed a brand new can of the aerosol product. Shook the can like any other to mix the contents. Pushed the nozzle down and the oroduct immediatly leaked out around the nozzle. Took pressure off the nozzle and it popped off and product sprayed all over including my face. Thank God I was wearing my safety glasses.
Flex Seal - The gallons of flex and seal
So I have a black top balcony with a den downstairs underneath it that's was starting to leak. I went to true value hardware store and bought 3 gallons ($50.00 a can) of black flex and seal. We followed all the directions.
Flex Seal - Flex seal liquid rubber sealant coating
Dear flex seal, 5/4/2020 I writing to let you know of a problem I have just discovered with a can of your spray-on flex seal. Three weeks ago, I built a new large storage shelving unite in my garage and collected all my spray cans and loaded the shelves with them. Along with all my cans was a new can of your flex seal.
Ordered paste product, horrible
Ordered paste product. Didn't use for maybe four months. Product was maybe twenty five percent solidified. Resealed via directions and one week later was more than fifty percent solidified and used small amount. Two weeks later and was totally solidified. Got about one dollar use from thirty dollar tub.
SHADES OF GREY
MY NEWEST EDITED REVIEW OF FLEX SEAL PRODUCT ( THIS has been edited by myself 04/14/2021 ) I 1hammer1 am changing my negitive review of FLEX SEAL Liquid 128-fl oz Gray Dip Rubberized Coating. The day that I published my negitive review of this product THE FLEX SEAL COMPANY called me at home and offered a solution to my problem with the grey color WOW they wasted no time they have made me more then happy ( WHAT A GREAT COMPANY ) I have always liked their products the FLEX SEAL Liquid 128-fl oz Gray Dip Rubberized Coating is a great water proofer we have had water in our basement when it rained hard.
Now that's a lotta damage!
I used Flex Seal to patch, bond, seal and repair my depression. To show you the incredible power of Flex Seal, I sawed this review in half.
Total Cost Breakdown
How to Use
- Prepare SurfaceBefore you start using your Flex Paste, you'll need to prepare the surface that you want to treat with it. This might be a glass container with a crack in it, a wooden object with a...
- Open Container and ScoopNext, open up your container's lid and remove the protective foil from the top, along with the included silica gel packet. Don't discard either of these things, a…
- Prepare SurfaceBefore you start using your Flex Paste, you'll need to prepare the surface that you want to treat with it. This might be a glass container with a crack in it, a wooden object with a...
- Open Container and ScoopNext, open up your container's lid and remove the protective foil from the top, along with the included silica gel packet. Don't discard either of these things, as you'll ne...
- Apply Paste to SurfaceOnce you've got some paste on your spatula (or whichever tool you've chosen to use), begin applying it gently and smoothly to the surface you need to treat. Only apply it arou...
- Let Paste CureAfter you've applied enough coats of Flex Paste to your chosen object or area, …
Cleaning Your Work Area
- Use Acetone or Mineral SpiritsWhen you're done completing your jobs of the day with Flex Paste, you'll have to follow a specific clean-up process. The first thing you'll need to do is clean your wo...
- Close up Paste ContainerOnce you and your work area are fairly clean, replace the foil on your paste container, making sure that you press it against the edges extremely tightly. Otherwise…
- Use Acetone or Mineral SpiritsWhen you're done completing your jobs of the day with Flex Paste, you'll have to follow a specific clean-up process. The first thing you'll need to do is clean your wo...
- Close up Paste ContainerOnce you and your work area are fairly clean, replace the foil on your paste container, making sure that you press it against the edges extremely tightly. Otherwise, the pas...
- Store Container AwayLast but not least, finish your clean-up by storing your container in a cool, dry area. Humidity can interfere with its shelf life, and it cannot withstand temperatures of more...
Features
- Black or WhiteFlex Paste comes in both black and white, so you might want to get a container in both shades or choose the shade that will best suit most of the repairs you want to complete. If quit...
- Five Sizes AvailableYou'll also be able to choose your container size, basing that decision on your own needs. The smallest size of Flex Paste is the nine-ounce cartridge, which you'll hav…
- Black or WhiteFlex Paste comes in both black and white, so you might want to get a container in both shades or choose the shade that will best suit most of the repairs you want to complete. If quit...
- Five Sizes AvailableYou'll also be able to choose your container size, basing that decision on your own needs. The smallest size of Flex Paste is the nine-ounce cartridge, which you'll have to put...
- For Indoor or Outdoor UseFlex Paste can be used either indoors or outdoors, on almost any surface, such as wood, metal, tile, glass or concrete. The seal that it creates will be watertight, so you...
- No Odor After CuringIt's specified that this paste will give off a bit of an odor as someone is a…
Positive Points
- Can Use for Crafting ProjectsIn addition to repairs around the house and yard, if you're a crafter of any sort, you may find Flex Paste useful within your projects. Similar to modeling clay, it can...
Negative Points
- Must Provide Own ToolsIt would be helpful if a spatula, trowel or putty knife could be included with each container of this paste, but you'll actually have to provide your own. You'll also have to...
Warnings
- Not for Flammable ContainersFlex Paste can be used to repair a wide variety of things, but it should never be used to repair a gas tank or any other containers that could be flammable. While it's b...