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What is the Best Concrete Sealer?

Best Concrete SealersConcrete comes in many different types and substrates that can be found both for both interior and exterior applications. There are Concrete Driveways, Vertical Brick Walls, Brick Paver Patios, Basement Floors, etc. Concrete is very porous and can be prone to degradation from Water, Ultra Violet Radiation, wear and tear, etc. By sealing or waterproofing your concrete surface you will add life and protection to your surface.

So what is the Best Concrete Sealer?

The answer to that is dependent on why you are sealing, what surface  you are trying to seal, and what your final expectations are.

There are many different types of sealers for concrete and masonry surfaces. Concrete sealers come in both water based and solvent based formulas. They come in generic formulas for all surfaces or formulas that are specific to the surface you are applying to. For example, you would want a Brick Paver Sealer for a Paver Patio and a Chimney Sealant for you Chimney but you could use MasonrySaver All Purpose Water Repellent for both.

So why seal your concrete or brick? The main reasons to seal and waterproof your concrete are:

1. Preventing hairline cracks due to water expansion during freeze/that cycles.

2. Prevent water penetration and seepage of water through walls and foundations.

3. Enhance the appearance by adding a gloss or darkening the overall color.

4. Prevent damage from deicing salts during winter months.

5. Provide protection from “Pitting” or “Spalling” or deterioration of the concrete causing chunks of the concrete to separate from the concrete structure.

Once we understand the surface we are treating and what the reasons we are treating the surface for, then we can narrow down what would be the best concrete sealer to use.

Here is an example of concrete surface in Florida (answers in Red):

1. What State do you live in? Florida

2. Interior or Exterior concrete surface? Exterior

3. Vertical or Horizontal application? Horizontal

4. Change or enhance appearance (gloss or wet look) or no change of appearance? Wet Look/Gloss

5. Type of surface examples: Driveway, Paver Patio, Brick Wall, etc Paver Driveway

Based on the answers you would want a sealer that is specific to brick pavers, gives excellent UV resistance since it is in Florida, while adding a shiny enhanced look. Based on these questions you would want to look at:

  • SuperSeal25
  • SuperSeal30
  • MasonrySaver Paver Sealer.

Feel free to answer these questions for help choosing the “the best concrete sealers for me”. Just post a comment below and based on your answers, we will suggest a couple of different options of what sealant or water repellent you should use:

Please include any additional information that would be useful!

Make Sure to Include Answers to the 5 Questions in Comment Area Below!


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1,607 responses to “What is the Best Concrete Sealer?”

  1. Jim says:

    live just north of Pittsburgh, Pa. I want to seal a hairline crack in the concrete walk way coming up to the front door.

  2. justin says:

    1. What State do you live in? Florida

    2. Interior or Exterior concrete surface? Exterior Covered

    3. Vertical or Horizontal application? Horizontal

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? n/a

    5. Type of surface : concrete slab driveway

  3. Jerome says:

    PA Pocono Mountains
    Interior / basement
    horizontal
    no change appearance
    brick wall
    :) thank you

  4. Robin says:

    I have a client in Portland Oregon whom has a previously stained and sealed covered concrete patio (horizontal). He wants the concrete resealed, but is unsure what was used to seal previously. I have sealed interior and exterior slate and marble in the past, but not concrete and as such am unsure how to proceed. The concrete does darken with water rather rapidly. It appears as if there may be a matte finish topical sealer on it now, but I am not positive.

  5. Millie Robinson says:

    Live: Eastern Montana
    Exterior basement wall of 100-yr old home, at ground level
    Vertical app
    Appearance? Paint over?
    Surface is original concrete foundation–outside smooth finish layer has broken off in a 7 -9 ft long area from 2-4 inches above join with cement driveway. Was patched at some point with something somewhat flexible–maybe a caulk since the foundation/driveway line is caulked. I am replacing the couple layers of caulk (which has cracked) along the line this year. The patched layer is coming off also and pulling away a thin layer of cement grit with it. Cement under is very coarse.

  6. Travis V says:

    northern Utah
    Exterior driveways
    Horizontal
    Appearance not much different

  7. Tom says:

    I have a concrete driveway in eastern kansas and I need a sealer to extend the life of my 6 month old driveway.

  8. joe says:

    Massachusetts
    Interior
    Horizontal
    No change of appearance
    Concrete floor in machine shop.

    Needs to be water and oil repelent.

  9. need help says:

    Tennessee
    Exterior
    Horizontal
    No change/gloss but not slick
    Driveway

  10. Dan says:

    What State do you live in? North Carolina

    2. Interior or Exterior concrete surface? Exterior

    3. Vertical or Horizontal application? Horizontal

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? wet look on patio, no change of appearance on driveway

    5. Type of surface examples: (1) driveway that has been resurfaced (2) stamped concrete patio

  11. Maurice ellis says:

    I live in Ms.. exterior..driveway..pearock and concrete..horizontal application..want a gloss but want to be safe..not sure about gloss or wet….. i have cleaned it and it has a dull, light look….. can you recommend..

  12. Tom says:

    1. What State do you live in? Minnesota

    2. Interior or Exterior concrete surface? Exterior

    3. Vertical or Horizontal application? Horizontal

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? No change in appearance

    5. Type of surface examples: Cement Driveway 1 1/2 years old , want salt protection and prevent other damage from freeze thaw.

  13. Tom Gilmore says:

    Need to choose a sealer in Denver, Colorado.
    Exterior, horizontal (plus steps). Prefer no change of appearance.
    Broom-finish concrete driveway, leadwalk and steps

  14. Myra says:

    Georgia
    Interior
    Horizontal
    Gloss
    Basement floor, smooth / trowel surface

  15. John says:

    Illinois
    Exterior
    Horizontal
    No change
    Driveway

  16. Bob L. says:

    State: Pennsylvania
    Exterior Pool Deck -Exposed Aggregate
    Horizontal
    Gloss/Wet Look Appearance
    Exposed Aggregate Concrete

  17. blackcatseesyou says:

    LIVE IN INDIANAPOLIS, INDIANA
    EXTERIOR (SIDEWALK)
    WANT EASIEST APPLICATION (SPRAY?)
    WANT NO CHANGE IN APPEARANCE
    BRUSH FINISH CONCRETE SIDEWALK DONE 2 YRS AGO.

  18. PGK says:

    Live in Phoenix, AZ
    Exterior patio
    Just poured yesterday (10/24/15). Cement only, no other chemicals.
    Brush finish
    Interested (maybe) in colored stain
    I'll take recommendations on an appearance

  19. Michael says:

    What State do you live in? Kentucky

    2. Interior or Exterior concrete surface? Exterior

    3. Vertical or Horizontal application? Horizontal, Brick porch, steps, and paver walk way.

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? Wet Look/Gloss–Maybe slight change, but not drastic

    5. Type of surface examples: Driveway, Paver Patio, Brick Wall, etc Paver Driveway–Answered above

  20. Dana says:

    Central arizona…….Interior Horizontal application. .. wet look/glossy. …entire Interior colored concrete.

  21. Rich says:

    Florida
    Exterior
    Vertical
    Wet Look / NON Gloss if possible
    Brick wall

  22. Steve Anspach says:

    Do you have any information/review of ChemMasters TRAZ25 sealer?

  23. Bob says:

    Colorado above 8,000 feet
    Exterior concrete driveway
    Horizontal
    No gloss or wet – don't want anything slippery when wet
    Want to stain the driveway dark (help snow melt) and seal at the same time

    Thanks!!

    • Concrete Sealer Help says:

      You cannot stain then seal over it with a sealer that is penetrating. If you stain then you need a filming type sealer and this will create a shine and possibly a wet look as well.

  24. Ron Staton says:

    Live in Maryland, exterior, horizontal, concrete walkway, 1 1/2 years old, no change in appearance, walkway from porch to driveway. When I sweep the walkway, clouds of white dust appear.

  25. Ken says:

    Live in Idaho, interior, horizontal, stained concrete floors about 3 years old, want wet look. Previously sealed with Franklin water based Quasar Diamond finish but is not shiny enough for our taste.

  26. Michael S says:

    I live in New York, Exterior, Horizontal, Wet look (I'll try no wet look also, I'm undecided) brick wall, 90 year old brick wall.

    • Concrete Sealer Help says:

      Michael, wet look will not work for this very well. Look at the Masonry Saver Brick Sealer.

      • Michael says:

        Thanks. But I had hired painters to do some work and part of that was sealing the bricks. They weren't suppose to do the bricks until tomorrow but they did it anyway. They used the Behr concrete sealer. What do I do now?

  27. Nolan says:

    Live in Florida. Concrete driveway. No previous seal I believe.

  28. Jeff says:

    Indiana
    Exterior
    Horizontal primarily
    Concrete steps
    Prevent salt damage

  29. joe says:

    California
    Exterior
    Horizontal
    N/a
    Driveway heavy traffic

  30. Cindy says:

    Oklahoma
    Interior
    Horizontal
    Gloss/wet look
    Living area

  31. Mike says:

    South Texas
    Exterior of house
    Vertical
    Simulated stone concrete sections that are 50 years old
    Wet look, or don't care

  32. Scott says:

    1. What State do you live in? Texas

    2. Interior or Exterior concrete surface? Exterior

    3. Vertical or Horizontal application? Horizontal

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? No change

    5. Type of surface examples: Aggregate concrete driveway

  33. Jim says:

    California
    Exterior
    Horizontal
    Low-medium gloss appearance
    Colored concrete walkway

  34. Tina says:

    California (northern)
    Exterior
    Horizontal
    Slight wet look/Natural appearance
    Patio stamped concrete

  35. Bob says:

    Florida
    Concrete sanded previous painted to clean concrete
    Exterior
    Flat non slip

  36. Mike says:

    I live in northern illinois.
    I need to seal concrete driveway apron in front of garage doors and sides ribbons that surround the new asphalt driveway.
    Obviously horizontal and exterior application.
    I am not concerned if it looks wet or not afterwards.

  37. Mike says:

    I live in northern illinois.

  38. Steve says:

    Arizona
    exterior
    mostly horizontal but it's to seal a small pond
    no change
    irregular surface – poured cement

  39. Rachael says:

    1. What State do you live in? Kentucky

    2. Interior or Exterior concrete surface? Glassed in patio

    3. Vertical or Horizontal application? Horizontal

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? No change

    5. Type of surface examples: Glassed in patio

  40. Thomas says:

    Florida
    Exterior textured concrete painted floor in bird cage
    1500 square feet
    Florida rain is dirty
    Want to seal to make it easier to clean

    • Concrete Sealer Help says:

      You cannot seal over a paint with a regular type concrete sealer. You can possibly use a clear epoxy coating over a paint. We never do this though so not sure which brand would work.

  41. Mike says:

    1. What State do you live in? Washington

    2. Interior or Exterior concrete surface? Interior: fireplace

    3. Vertical or Horizontal application? Vertical

    4. Change or enhance appearance (gloss or wet look) or no change of appearance? Wet Look/Gloss

    5. Type of surface examples: Concrete blocks

    • Concrete Sealer Help says:

      Mike, sorry but we do not know of a wet look/gloss sealer that will work around an interior fireplace. The exterior sealers we use will not work well in this instance. It is a heat issue.

  42. Wilson says:

    State: Tennessee
    Exterior
    Vertical, building
    No change to rose colored concrete
    Precast concrete smooth surface _ trying to resist aluminum oxide window frame staining and constant cleaning.

  43. Josaw says:

    Indiana
    Interior
    Horizontal
    No change
    Living area

  44. Mike says:

    New York, Long Island
    Interior, concrete floor-25years old
    to prevent moisture penetration from beneath concrete

    • Concrete Sealer Help says:

      Top coat sealers will not stop moisture penetration from beneath. A concrete densifier may, but we have not tested this. Look into possibly one of those.

  45. Rich says:

    Michigan, interior, horizontal, no change of apperance, concrete floor

  46. Tom Giesen says:

    Wisconsin
    Interior
    Horizontal – basement floor
    Wet look – semi gloss or gloss
    Acid stained basement floor that needs a water based sealer but I am not sure which brand I should use for
    durability, adhesion, and ease of maintenance.

  47. Jeanette says:

    Tennessee
    Exterior
    Horizontal
    No change in appearance
    Pebble concrete path in courtyard and concrete walkways to front and side doors. Keep moisture out and preserve.

  48. Susan says:

    Florida
    Exterior
    Horizontal
    No change
    paver patio poolside

    • Concrete Sealer Help says:

      Susan, for no change in appearance, try the SuperSeal-M or the Masonry Saver Heavy Duty Water Repellent.

  49. elle says:

    I am looking for a sealer, not so much a repellent
    Georgia
    Exterior
    Vertical brick wall
    no change in appearance
    brick wall

  50. Carolyn Frazier says:

    1. NE Florida
    2. Interior
    3. Horizontal
    4. No change
    5. Approx. 25 yr. old slab, original flooring was carpet, changed to sheet vinyl 5 yrs. ago, removed that vinyl due to mold growth around perimeter walls and on some damp full spread adhesive. Want to be able to block moisture intrusion and put down vinyl again. Will be treating exterior visible slab also.

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