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Red Devil 0645 Pre-Mixed Concrete Patch, 5.5 Oz Squeeze Tube, Pack of 1, Gray, 5 Fl Oz

4.4 4.4 out of 5 stars 6,266 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
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5.5 oz
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Purchase options and add-ons

Brand Red Devil
Specific Uses For Product Interior/Exterior
Material Blend
Compatible Material Concrete
Item Form Paste

About this item

  • REPAIRS CRACKS AND BREAKS IN CONCRETE: Premixed formula makes repairs easy
  • DRIES A LIGHT TO MEDIUM GRAY COLOR: Ideal for lighter shades of concrete
  • WON'T SHRINK OR CRACK: Provides maximum flexibility for a permanent repair
  • INTERIOR OR EXTERIOR USE: Can be used inside or outside
  • WATER CLEAN UP: Cleans up easily with soap and water. Made in the USA
See more product details

Customer ratings by feature

Adhesion
4.4 4.4
Easy to use
4.0 4.0
Sheerness
4.0 4.0
Easy to spread
4.0 4.0

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From the manufacturer


0644 - 1 Quart (946 ml), Concrete color

Since 1872

Building America's most asked for tools and chemical products. Quality, dependability and innovation that ensures America's latest generation of professional contractors and do-it-yourselfers will continue to depend on Red Devil products for years to come.

Red Devil Pre-Mixed Concrete Patch

Pre-Mixed Concrete Patch is a ready-to-use concrete patch for the repair of holes, cracks, breaks and other imperfections in concrete or masonry surfaces. Not recommended for areas subject to vehicular traffic.

  • Adheres to Concrete
  • Use on Concrete, Masonry, Brick, Block
  • Also available in 5.5oz squeeze tube (0645) and 1 Gallon tub (0641)
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Red Devil Pre-Mixed Concrete Patch Red Devil Masonry and Concrete Acrylic Sealant Red Devil Rd3000 Self Leveling Concrete Sealant Red Devil Polyurethane Masonry & Concrete Sealant Red Devil Blacktop & Roof Repair Red Devil 0637 Acrylic Asphalt Crack Filler Sealant
Customer Reviews
4.4 out of 5 stars
6,266
4.5 out of 5 stars
1,780
4.2 out of 5 stars
166
3.6 out of 5 stars
15
4.4 out of 5 stars
231
4.4 out of 5 stars
2,151
Price $22.05 $6.14 $12.34 $16.03 $11.19 $6.99
Applications Ready-to-use concrete patch for the repair of holes, cracks, breaks and other imperfections in concrete or masonry surfaces. Not recommended for areas subject to vehicular traffic. Acrylic compound for repairing and sealing cracks and joints in concrete, masonry stone, cinder block and brick. The gray textured finish blends easily with masonry and provides excellent outdoor durability. Low VOC sealant designed to offer superior adhesion to concrete as well as a wide variety of substrates with a smooth finish, which allows installation without tooling. Can be exposed to water after only 2 hours without washing it out. Premium-grade permanent flexibility for dynamically moving joints. Textured to simulate concrete. Excellent durability & adhesion. Paintable and non-staining. Asphalt sealant, provides durable, flexible, weather-resistant seal for cracks & joints in asphalt driveways, as well as roofs, shingles, flashings. Wet or dry surfaces. Acrylic asphalt sealant that provides a durable, flexible & water resistant seal for cracks and joints in asphalt driveways, parking lots and more.
Asphalt Sealant
Red Devil STORMGUARD 920 100% RTV Silicone Red Devil Lifetime Ultra Premium Acrylic Latex Sealant Red Devil 1.5-Inch Flex Putty Knife Red Devil Scrape & Pry Bar Red Devil SLAMSCRAPER Impact Tool Red Devil Foam & Fill Large Gaps & Cracks
Customer Reviews
4.4 out of 5 stars
2,151
4.4 out of 5 stars
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4.6 out of 5 stars
1,750
4.6 out of 5 stars
539
4.0 out of 5 stars
75
4.2 out of 5 stars
2,870
Price $28.39 $10.29 $5.41 $11.68 $38.79 $20.32
More Products from Red Devil Red Devil 0637 Acrylic Asphalt Crack Filler Sealant Multi-purpose. High performance, maximum durability on a variety of surfaces. Excellent paintability. High-carbon steel blade is rust resistant and extends through the sturdy solvent-resistant handle for spreading or scraping strength and long life. For professional and general use. Multi-purpose tool for pulling nails, scraping paint and opening boxes. Chisel edge on both ends. Quickly & easily remove roofing, tile, linoleum, carpet, & other adhesive coverings. Sturdy impact handle creates 'hammer & chisel' effect. Great for icy driveways & sidewalks! Triple Expanding Polyurethane Sealant is quick and easy to use. It expands to fill holes, cracks, gaps and voids around windows, doors, pipes, outlets, vents & foundations.

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Red Devil 0645 Pre-Mixed Concrete Patch, 5.5 Oz Squeeze Tube, Pack of 1, Gray, 5 Fl Oz

Red Devil 0645 Pre-Mixed Concrete Patch, 5.5 Oz Squeeze Tube, Pack of 1, Gray, 5 Fl Oz


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Product Description

Product Description

Pre-Mixed Concrete Patch is a ready-to-use concrete patch for the repair of holes, cracks, breaks and other imperfections in concrete or masonry surfaces. Not recommended for areas subject to vehicular traffic.

From the Manufacturer

A pre mixed, ready to use concrete patch for the repair of holes, cracks, and breaks in concrete or masonry surfaces. Not recommended for areas subject to vehicle traffic.

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Red Devil 0645 Pre-Mixed Concrete Patch, 5.5 Oz Squeeze Tube, Pack of 1, Gray, 5 Fl Oz
Red Devil 0645 Pre-Mixed Concrete Patch, 5.5 Oz Squeeze Tube, Pack of 1, Gray, 5 Fl Oz
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Price$5.99$5.45-36% $12.98
Typical:$20.23
$14.04$8.99$23.62
Delivery
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Customer Ratings
Adhesion
4.4
4.4
4.3
4.8
3.0
4.1
Easy to use
4.0
4.0
4.4
4.6
4.1
4.2
Value for money
3.7
2.8
4.3
4.2
4.0
5.0
Easy to spread
4.0
4.2
3.9
3.9
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
WeCell
WeCell
color
Gray
Gray
Gray
Gray
Black
compatible material
Concrete
Concrete, Grout Filled Block, Masonry
Metal
Concrete, Masonry
Brick, Concrete, Stone
Brick, Concrete, Stone
volume
160 milliliters
1.4 fluid ounces
8 fluid ounces
5.5 fluid ounces
5.5 fluid ounces
number of items
1
1
1
1
1
water resistance
waterproof
waterproof
water resistant
water resistant
container type
Tube
Syringe
Pail
Can
Tube
Tube

Customer reviews

4.4 out of 5 stars
4.4 out of 5
6,266 global ratings

Customers say

Customers like the ease of use, appearance, and performance of the bonding adhesive. However, some customers find it hard to squeeze out of the tube. They also say the value is a waste of money. Opinions are mixed on washability, quality, and color.

AI-generated from the text of customer reviews

173 customers mention148 positive25 negative

Customers find the bonding adhesive easy to use. They say it's convenient, strong once it sets up, and easy to apply. Some mention that it goes on smoothly.

"...Concrete Patch, 1 Quart, Pack of 6 in Gray to anyone in need of a convenient and reliable solution for concrete repairs." Read more

"...the consistency was easy to work with, making it much easier to fill in some cracks. Dries really hard and I like the texture...." Read more

"Easy to use. has a blue color and doesn't maatch concrete." Read more

"So easy to apply. Goes on white so you can see the coverage but then it dries to clear so you don't notice it." Read more

122 customers mention115 positive7 negative

Customers are satisfied with the performance of the bonding adhesive. They mention that it works well, is easy to apply, and does a fair job. Some say that it's a great product to use and that it dries hard and quick.

"Worked perfectly for what I needed. Cement had cracked and pulled away from flute around chimney, had honey bees coming into the house...." Read more

"...or repairing damaged concrete surfaces, this product delivers excellent results every time...." Read more

"I needed to patch a small area of concrete and it worked great! It gets fully hardened in a few days, maybe a week+...." Read more

"This stuff works great. Hardens up in a few hours and is very strong." Read more

39 customers mention35 positive4 negative

Customers like the appearance of the bonding adhesive. For example, they say it looks great, makes their basement look nicer, and is highly recommended for cosmetic and water barrier repairs. Some mention it's easy to use and spread.

"...And don't expect it to look like freshly poured concrete. It will look very nice and it's durable so for the money what more do you expect?!..." Read more

"Filled all the cracks on the patio, looks brand new" Read more

"Product it’s easy to apply and very good" Read more

"...Quick drying. Indistinguishable from surrounding cement. This is really good stuff. Not for big jobs. Ready mixed cement in a tube...." Read more

184 customers mention106 positive78 negative

Customers are mixed about the quality of the bonding adhesive. Some mention that it holds up well, while others say that it hardens and flakes quickly.

"...-use consistency saves time and effort, allowing me to tackle repairs quickly and efficiently...." Read more

"Worked perfectly for what I needed. Cement had cracked and pulled away from flute around chimney, had honey bees coming into the house...." Read more

"...It gets fully hardened in a few days, maybe a week+...." Read more

"This stuff works great. Hardens up in a few hours and is very strong." Read more

101 customers mention45 positive56 negative

Customers have mixed opinions about the washability of the bonding adhesive. Some find it easy to use and spreadable, while others say it starts to dry as soon as they open the bottle. Some customers also say the product is pricey for large jobs and that it dries rough and hard to sand.

"...Pricey for large jobs.Dries rough and hard to sand, but my skills and knowledge are a level 2 on a scale of 1 to 10, so someone else..." Read more

"...Dries really hard and I like the texture. Hopefully its flexible like it claims but only time will tell...." Read more

"...The lid was partially ajar and some of the product had dried out but just along the edge where the lid popped open...." Read more

"...Goes on white so you can see the coverage but then it dries to clear so you don't notice it." Read more

42 customers mention16 positive26 negative

Customers are mixed about the color of the bonding adhesive. Some mention that it's perfect and light gray, while others say that it’s weird and gray like cement. Some say that the color is more blue than gray and that it looks grayer than the original mortar.

"...It it very, very light in color sticks out like a lightbulb up there so I'll have to get some gray touch up paint and go over it...." Read more

"...Excellent color match." Read more

"...Patched concrete foundation blocks on under siding on garage. Color is a bit weird. Had to tool with putty knife quite a bit...." Read more

"...like any cement that isn’t applied at the same time, the color varies from most concrete." Read more

79 customers mention23 positive56 negative

Customers are dissatisfied with the value of the bonding adhesive. They mention that it's a waste of money, useless, and unusable. Some say that the product is pricey for large jobs and that the result is poor.

"...We all know the devil is ruthless. A bit pricey for a tiny jar, but it does work!!..." Read more

"...Pricey for large jobs...." Read more

"...Cha-ching!! For a while we'll keep on with the Red Devil, as it's fairly priced and easy to use. Would recommend overall." Read more

"...The result is poor. Because it is not something like water, it is not really leveling well.So I wanted to try this one...." Read more

43 customers mention6 positive37 negative

Customers find the adhesive hard to squeeze out of the tube. They say the tube was stiff and the contents couldn't be squeezed out. Some customers also mention that the adhesive comes out crumbly and chunky.

"...It's not too easy to squeeze from these tubes. Adding water made it easier, however I regret not buying the caulk tubes." Read more

"...Only issue was it was hard to squeeze the tube." Read more

"Came out of the tube crumbly and chunky and a bit hard to work with. Once it is in place and left alone to set, it hardened very well...." Read more

"...Would buy again maybe. Its a bit hard to squeeze out after its open and in use. So some was waisted." Read more

Great look. Even better price.
5 Stars
Great look. Even better price.
I started to buy another caulking product at three times the cost but decided on this instead. It suited my needs perfectly (patching mortar and filling holes where brick meets wood trim that pesky wasps like to crawl through). Excellent color match.
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Top reviews from the United States

Reviewed in the United States on March 20, 2024
Size: 1 GallonStyle: 1 - PackVerified Purchase
Ready mix. Use to fill cracks and breaks in concrete. Applies easily with putty knife or trial. If area to be repaired is larger, will need to fill area in several coats. Takes at least 24 hrs to set when putting on thick coats. Also, will get cracks as it dries when applying coat over a inch thick. You can then go over the cracks with a thin coat and it will work fine. Paint over repaired area works well. Will need 2 coats due to product being dark grey when dry.
2 people found this helpful
Report
Reviewed in the United States on May 6, 2024
Size: 1 GallonStyle: 1 - PackVerified Purchase
Worked perfectly for what I needed. Cement had cracked and pulled away from flute around chimney, had honey bees coming into the house. Order and here in a couple days. Keeping bees out of the house yaaaa
Reviewed in the United States on May 5, 2024
Size: 1 QuartStyle: 6 - PackVerified Purchase
One of the standout features of this product is its pre-mixed formula, which eliminates the hassle of having to mix concrete from scratch. The ready-to-use consistency saves time and effort, allowing me to tackle repairs quickly and efficiently. Whether I'm filling cracks, patching holes, or repairing damaged concrete surfaces, this product delivers excellent results every time.

Cleanup is a breeze with this pre-mixed concrete patch. Any excess material can be easily wiped away with water before it dries, minimizing mess and cleanup time.

Overall, I highly recommend the Pre-Mixed Concrete Patch, 1 Quart, Pack of 6 in Gray to anyone in need of a convenient and reliable solution for concrete repairs.
Reviewed in the United States on April 21, 2024
Size: 5.5 ozStyle: 1 - PackVerified Purchase
So easy to apply. Goes on white so you can see the coverage but then it dries to clear so you don't notice it.
Reviewed in the United States on July 31, 2020
Size: 1 GallonStyle: 2 - PackVerified Purchase
Don't know about some of the negative reviews (some sound weird) but this stuff works as advertised. Filled in all holes, cracks, etc., on our concrete stoop and adjacent sidewalk. We then covered the entire front stoop with it and it looks great! What an improvement over the old pitted, cracked stoop. No, it doesn't look like we had a brand new concrete stoop poured but the improvement is so dramatic in appearance, so we're very pleased. Eventually we will need to have a new stoop poured but this is a nice stopgap. It was easy to use, very spreadable, and dries nicely. Again, some of the reviews that claim it doesn't work at all or that it never dries (huh?), I don't know where those people are coming from. Would recommend this product but use it for what it's meant for, not in a garage or something, or to secure a post in the ground, etc.. It won't work for those types of things and isn't meant for them anyway. And don't expect it to look like freshly poured concrete. It will look very nice and it's durable so for the money what more do you expect?! UPDATE: Two yand three ears later some of this product (*repairs") has cracked out. So, it held up for two years and then some, and I guess I can't complain; perhaps it should have held up a bit longer but maybe I'm expecting too much. We're going to repatch with the product, etc.. At some point down the road we'll be in the market for an entire new front stoop. And of course, that's expensive as all get out these days., because once you have a new concrete stoop poured, your walkway leading to it (the one on your property that leads from the public sidewalk or street) will look really old and you'll be having that repoured too! Cha-ching!! For a while we'll keep on with the Red Devil, as it's fairly priced and easy to use. Would recommend overall.
20 people found this helpful
Report
Reviewed in the United States on March 29, 2024
Size: 5.5 ozStyle: 12 - PackVerified Purchase
I ordered a case from Amazon Warehouse deals and it only had 11 tubes in the box. I didn't want to return it because I needed it that day. I had to add a lil water into the tube and knead it until the consistency was easy to work with, making it much easier to fill in some cracks. Dries really hard and I like the texture. Hopefully its flexible like it claims but only time will tell. It's not too easy to squeeze from these tubes. Adding water made it easier, however I regret not buying the caulk tubes.
One person found this helpful
Report
Reviewed in the United States on May 7, 2023
Size: 5.5 ozStyle: 1 - PackVerified Purchase
Came out of the tube crumbly and chunky and a bit hard to work with. Once it is in place and left alone to set, it hardened very well.

Completely cured now and stronger than the original surface it was applied to.

Good for a small job. (The entire contents of the tube was used in my photo and project. Maybe a three foot long by three inch wide line is all it covers). Pricey for large jobs.

Dries rough and hard to sand, but my skills and knowledge are a level 2 on a scale of 1 to 10, so someone else with more skills and knowledge could quite possibly get better and smoother results.
Customer image
5.0 out of 5 stars Dried Strong
Reviewed in the United States on May 7, 2023
Came out of the tube crumbly and chunky and a bit hard to work with. Once it is in place and left alone to set, it hardened very well.

Completely cured now and stronger than the original surface it was applied to.

Good for a small job. (The entire contents of the tube was used in my photo and project. Maybe a three foot long by three inch wide line is all it covers). Pricey for large jobs.

Dries rough and hard to sand, but my skills and knowledge are a level 2 on a scale of 1 to 10, so someone else with more skills and knowledge could quite possibly get better and smoother results.
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Customer image
9 people found this helpful
Report
Reviewed in the United States on February 29, 2024
Size: 1 GallonStyle: 1 - PackVerified Purchase
This product worked well. I did have to give about an additional day for it to fully set. But once set it was great.
One person found this helpful
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Top reviews from other countries

Jason
5.0 out of 5 stars This product is beyond my expectations.
Reviewed in Canada on September 20, 2023
Size: 1 GallonStyle: 1 - PackVerified Purchase
Dry quickly and bond very well to existing concrete. Highly recommend!
Amazon Customer
5.0 out of 5 stars Works well!
Reviewed in Canada on July 10, 2023
Size: 1 QuartStyle: 1 - PackVerified Purchase
I used it to patch cracks in a concrete patio. Worked well for that purpose.
AMZ Customer CA
5.0 out of 5 stars Perfect for small cracks
Reviewed in Canada on April 9, 2023
Size: 5.5 ozStyle: 1 - PackVerified Purchase
Easy to use, dries quickly and it's sturdy.
MG
5.0 out of 5 stars Great product
Reviewed in Australia on December 23, 2022
Size: 5.5 ozStyle: 1 - PackVerified Purchase
Got the job done nicely
Kevin
4.0 out of 5 stars Does what it is supposed to do
Reviewed in Canada on October 7, 2023
Size: 1 QuartStyle: 1 - PackVerified Purchase
works great and holds solid. I bought 3 other for small jobs around the house