
Ratings & Reviews for DAP Flexible Floor Patch and Leveler Gray Interior/Exterior Waterproof , Patching compound 1 Gallon(s)
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this floor leveler for effectively filling gaps, voids, and uneven subfloor areas, with most noting it bonds securely to old surfaces and works well on concrete, plywood, and tile. Reviewers consistently describe it as easy to apply with standard tools like putty knives, feathering smoothly and remaining workable long enough to achieve level finishes. Drying times vary significantly by thickness—thin applications dry within 24 hours, while thicker layers take two to four days or longer, sometimes remaining soft in humid conditions. Some find it extremely difficult to sand after curing, requiring chisels or scrapers for high spots. Despite these drawbacks, most customers consider it reliable and effective for subfloor preparation.
Customer review summary generated by AI, including incentivized reviews.Pretty flexible
Would RecommendIt’s pretty caulk like almost. Don’t scrape anything over it.
From Flexible floor patch and leveler Gray Interior Patching compound 32 Ounce(s) Verified Purchaser
That it takes way to long to dry,
Would Not RecommendTakes to long to dry for a patch job. I needed something quick
From Flexible floor patch and leveler Gray Interior Patching compound 32 Ounce(s) Verified PurchaserVerified Pro
good for sub floor
Would Recommenda bit too thick and dries clumpy too quickly if you don't work in tiny areas
From Flexible floor patch and leveler Gray Interior Patching compound 32 Ounce(s) Verified Purchaser
Just what I needed!! Worked well.
Would RecommendExcellent product for leveling areas of a plywood floor that will have carpeting installed over it.
From Flexible floor patch and leveler Gray Interior Patching compound 32 Ounce(s) Verified Purchaser
Good stuff
I used this to level out a bathroom floor where we are putting down a wood underlayment over existing subfloor and old tile. There was carpet also over that tile that had been ripped out -- taking a few old vinyl tiles with it in the process. I first sealed over the entire floor with Zinsser paint as we had concerns of asbestos. The next step was this DAP leveler for where tiles were missing and rough spots. I did ok with it but later realized that I was going to have to get it a lot smoother...
From Flexible floor patch and leveler Gray Interior Patching compound 32 Ounce(s)
Ideal for use under hardwood flooring
Would RecommendThis appears to be the best product to use for floor leveling under solid hardwood. It hardens to a hard putty which still has a little give to take nails or floor movement. For leveling purposes, you have to mix in a small amount of water to make it easier to work with. It comes as a paste like consistency which may work for patching holes but is too thick for spreading over a large area. It does shrink some after drying so multiple coats may be needed... I think this is the reason why they...
From Flexible floor patch and leveler Gray Interior Patching compound 32 Ounce(s) Verified Purchaser
Good leveler for uneven wood subfloor
Would RecommendTrowels out just fine, water clean up is a bonus. It seems to have set up just fine, I did not experience it not setting up as some have said.
Verified Purchaser
I am buying this product again and again.
Would RecommendMy only alternatives were cement self levelers. Having experience with wood, the idea of placing a water based product on wood sub floors did not appeal to me. I decided to try this product. While the application is similar to mudding drywall in that it does not flow, with a little time and effort with a long trowel I have been able to smooth a level surface. When I used it in areas of 1/4 inch or slightly better, the drying time took 2 days, (interior application 70 degrees). Up to 1/4 inch it ...
From DAP.com
Worked Great!
Would Not RecommendThis product is great for leveling under nail-down hardwood flooring. It tends to dry out a little on the shelf, so it typically needs to be tempered with a tiny amount of water. I used it to fill around layers of SurePly to correct a major subfloor dip at a low joist.
Verified Purchaser
Okay for thickness less than 1/8”
Would Not RecommendThe container says you can lay this down up to 1/4” thick. My experience was that it hardened within 24 hours if applied less than 1/8” thick. In some areas I applied 1/4” thickness 48 hours ago and it still feels like pay doh. Do yourself a favor a buy MAPEI floor patch like I eventually did after I scraped out this play doh.
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