0032053241055

Thompson's WaterSeal

Model 24105

Internet #100548129

Store SKU #430291

5 gal. Clear Multi-Surface Waterproofer

$51.66 /each

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Product Overview

The Thompson's WaterSeal 5 gal. Clear Multi-Surface Waterproofer effectively seals wood, brick and concrete surfaces, like decks and patios, from water damage. This waterproofer features a low VOC formula for safety and finishes clear to allow surfaces to maintain their natural color. Apply this sealer on by brush, roller or sprayer for convenience and allow to dry for 24 hours before recoating or touching.

California residents: see   Proposition 65 information

  • Low-VOC formula ideal for use on wood, concrete and brick
  • 5 gal. container waterproofs up to 1,000 sq. ft.
  • Clear finish maintains the surface's original color and allows wood to gray naturally
  • Dries to the touch in 24 hours to provide quick protection
  • Requires only 1-coat for efficient waterproof defense
  • May be applied with a brush, roller, dipper or sprayer
  • Online price includes PaintCare fee in the following states: CA, CO, CT, MN, OR, RI, VT
  • Click here to learn more about waterproofing

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Customer Questions & Answers

28 Questions60 Answers

Customer Questions & Answers

5 gal. Clear Multi-Surface Waterproofer
5 gal. Clear Multi-Surface Waterproofer

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This question is from 5 gal. Clear Multi-Surface Waterproofer
 
6 answers

What do I clean my sprayer with?

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Dalton Ga
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September 14, 2015
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July 14, 2016
Answer: 
1 cup Mineral spirits first run through and then 1/4 cup dish detergent and 1 qt. water second run through until clear.
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Asked by
Savannah, GA, USA
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February 2, 2016
Answer: 
Thompson's Waterseal cleans up easily with mineral spirits followed by soap and water. If you do this the tools you use can be dependably used again.
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Asked by
Tampa, FL, USA
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December 1, 2015
Answer: 
I cleaned mine with a garage grade detergent and water.
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Asked by
North Carolina
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November 2, 2015
Answer: 
You can clean your sprayer using something similar to mineral spirits.
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Cleveland, Ohio
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October 4, 2015
Answer: 
I would run about 10oz. of paint thinner thru it , then some warm soapy water, then some warm clear water.
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Asked by
Great Falls, MT, USA
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September 15, 2015
Answer: 
Hello Smitty, Clean equipment with mineral spirits following your sprayers manufacturer’s
safety recommendations, then rinse with soap and hot clean water. Hope this helped.
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4 answers

Clear multi surface seal, is it suppose to come out white like milk

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Yucca Valley California
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June 5, 2016
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Asked by
Suwanee, GA
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July 14, 2016
Answer: 
Yes, it will then dry clear after curing. It needs to be applied evenly with no puddles. All puddles need to be spread out.
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Asked by
Great Falls, MT
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July 13, 2016
Answer: 
Hello WildCat. Fair enough question. Yes. Product will appear milky white during application, but will dry clear. I hope this answered your question.
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Arkansas
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June 18, 2016
Answer: 
It is milky when wet, but clears as it dries.
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Asked by
Savannah, GA, USA
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June 13, 2016
Answer: 
Dear Wildcat,
Yes, it does look like this until you get it applied. It is a bit disconcerting but when you first pour this stuff out it looks like you ought to add it to tomato soup. It is my understanding that Thomson's changed their formula a couple of years ago to give better penetration and protection. I have close to 1000 square feet of porch and decking to protect and wouldn't rely on anything
Read More
Dear Wildcat,
Yes, it does look like this until you get it applied. It is a bit disconcerting but when you first pour this stuff out it looks like you ought to add it to tomato soup. It is my understanding that Thomson's changed their formula a couple of years ago to give better penetration and protection. I have close to 1000 square feet of porch and decking to protect and wouldn't rely on anything else
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Hello how often should I reseal the wood with this product

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April 30, 2016
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Asked by
Arkansas
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July 10, 2016
Answer: 
I reseal whenever water stops beading. My wood fence generally lasts about a year, but my deck needs resealing ever 6 to 9 months.
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Asked by
Great Falls, MT
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May 2, 2016
Answer: 
Hello Oh, Longevity can influenced by many factors, weather being the big one. To determine if a reseal is needed perform the splash test. Sprinkle water on various sections of surface to be sealed. If water absorbs and darkens color of substrate within five seconds, surface is porous and considered ready to be treated. If water beads up or otherwise sits on top of surface, then surface does not need Read More
Hello Oh, Longevity can influenced by many factors, weather being the big one. To determine if a reseal is needed perform the splash test. Sprinkle water on various sections of surface to be sealed. If water absorbs and darkens color of substrate within five seconds, surface is porous and considered ready to be treated. If water beads up or otherwise sits on top of surface, then surface does not need protection at this time. I hope this Helped. Read Less
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Asked by
North Carolina
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May 2, 2016
Answer: 
For outdoor items you've sealed, I would look at resealing about every 2-years.
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Asked by
Avon Park, FL
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May 1, 2016
Answer: 
Dear oh, Thompson's Water Seal is a wax-based product. Bear that in mind. It is not a permanent or long term coating such as paint or stain. You will likely need to re-apply every two years. Also note that this coating is not in solution...technically it is a dispersion which will settle in the can over time. Most likely you will need to stir the product i.e. with a stick of wood - something that will Read More
Dear oh, Thompson's Water Seal is a wax-based product. Bear that in mind. It is not a permanent or long term coating such as paint or stain. You will likely need to re-apply every two years. Also note that this coating is not in solution...technically it is a dispersion which will settle in the can over time. Most likely you will need to stir the product i.e. with a stick of wood - something that will reach down to the bottom of the can. You will need to stir it a lot to get the wax back into dispersion in order to get it to a state where it will give you a uniform coating.
The waterproofing comes from the water repellent characteristics of the wax. Out of the can (after thorough stirring) it will soak into the wood providing a surface where water will bead up. Gradually, the wax will continue to penetrate deeper into the wood while some of it will evaporate especially with direct sunlight. Hence the need to re-apply periodically.
In my case, nearly ALL of the wax was in the bottom two inches of the can. Since the 5 gallon can is 'closed head' it is much more difficult to stir it to make the coating uniform for application. Plan to spend some time stirring. Read Less
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Cement is sticky and doesn't seem to be drying

This question is from 5 gal. Clear Multi-Surface Waterproofer
Asked by
Cleveland, OH
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August 25, 2015
I think that I've applied the multi-surface waterproofer to thick. The drive is sticky after two days of application. How can I resolve this? Should I use driveway cleaner and powerwash it again?
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Asked by
Savannah, GA, USA
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February 2, 2016
Answer: 
Dear Dale,
Instructions for use indicate that a light coating for Thompson's Waterseal is all one needs to do the job. However, it also indicates that concrete, brick and masonry surfaces must be thoroughly cleaned prior to application with a concrete cleaner according to the directions and cautions on the cleaner. Concrete that has a smooth, flat finish must be opened for proper penetration by Thomson's
Read More
Dear Dale,
Instructions for use indicate that a light coating for Thompson's Waterseal is all one needs to do the job. However, it also indicates that concrete, brick and masonry surfaces must be thoroughly cleaned prior to application with a concrete cleaner according to the directions and cautions on the cleaner. Concrete that has a smooth, flat finish must be opened for proper penetration by Thomson's Waterseal. This should be done using a concrete etch product following concrete etching use instructions carefully ensuring thorough rinsing and removal of the etching solution. Then allow the concrete to dry a minimum of 72 hours after etching before applying the Waterseal. I'm sorry you had the problem. I know things like this can be frustrating. I hope this helps.
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Asked by
North Carolina
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November 2, 2015
Answer: 
Your results are directly related to applying it too thick.
You could try to use cleaner and powerwash it again however, I think you may have better results using something like muriatic acid then powerwashing it.
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Asked by
Baltimore, MD, USA
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September 1, 2015
Answer: 
I applied it sparingly and as directed to 2 test stones on my patio and after almost a week I still have some sticky areas. I tried pressure washing it but I couldn't get it off.
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Asked by
West Point, VA, USA
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August 27, 2015
Answer: 
It sounds like a humiidity issue. If you are having high humidity levels where you live and had applied the waterproofing too thick then it will take added time to dry thoroughly.
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Customer Reviews

Rated 2.7 out of 5 by 98 reviewers.
Rated 5.0 out of 5.0 by Tried and true product! I've used Thompson's Waterproofer for decades with great results. It is the tried and true product for protection from the elements. For this application I used it on the wood siding on my house after pressure washing. I used a pump up sprayer to apply it, and followed up with a brush to even it out. After one coat dried the wood passed the beading test with flying colors, the water I splashed on beaded beautifully. You simply can't go wrong with this product. June 18, 2016
Rated 5.0 out of 5.0 by Worked well on pavers I was a bit reluctant to try this after reading some of the reviews about it staying tacky and not drying properly, but I had no problems on concrete pavers. We used a small 4" roller to apply; the small roller did better than a full-sized one at getting into the bevels between pavers. For 120 square feet, we used about 1 gallon, so our coat was a bit thinner than recommended by the label. It was totally dry and not tacky at all by the end of the day (I'm in a very dry western climate so drying might take longer someplace more humid). We got an unexpected rain overnight and by morning the sealer was doing exactly what it was supposed to - water was beaded up on the surface and not soaking into the pavers (see photo). Note that I used this on concrete pavers that will form the foundation for a small garden shed; we didn't apply it to the wood railroad ties or any other material. June 2, 2016
Rated 1.0 out of 5.0 by A good product gone BAD!! As a construction worker, I had used this product over the years with good results. BUT, apparently they have changed the formula and it is just plain LOUSY!! I prepped my new 900 sq ft concrete pool deck as required, and applied 2 coats (6 gallons total) over the next couple of days. It looked great the first couple of rain showers, but then it seemed to rinse away, leaving no protection. Yes, THOMPSON'S refunded my purchase price, but I now have to re-do the whole surface with a different brand product. DO NOT BUY.....DO NOT BUY.....DO NOT BUY................. September 2, 2016
Rated 4.0 out of 5.0 by Clearly effective This sealer was very easy to use. There was almost no change to the color of the deck with the application. Its effectiveness is evident when it rains though. Water beads dramatically on the surface. After reading the reviews of others I stayed off the surface for two days to allow to cure. When I checked after that time period the surface was not tacky to the touch. Overall happy with the product, and its application. I would recommend it. May 3, 2016
Rated 1.0 out of 5.0 by A week later it is still sticky We had a contractor apply this on our 2 month old concrete slab. It is in a warm and dry area, inside a structure. A week later it is still so sticky that my flip flop got stuck to it when I Walked across the floor. We throw events in our space and all anybody could bring up is how sticky the floor is. It's also blotchy and shows obvious application marks. Again, we used pro concrete people and still experienced these results. We will have to strip and buff 6000 sqft and cross our fingers the sticky and streaks come out. August 30, 2016
Rated 3.0 out of 5.0 by milky formula did not spray as good as old type I was unable to spray this milky product evenly.. I tried two different sprayers. I had to spray and then roll to get a good coverage. It has now been over 5 hours and is still sticky on my concrete drive. Old type formula would have sprayed on and been dry by now in the warm bright sun. Time will tell how this works out. If works out I will update my review. September 5, 2016
Rated 1.0 out of 5.0 by Dissatisfied with product and service I purchased a 5 gal bucket at the Carrollton Ga location The service was good They recommended that i have them shake the can. I followed directions and then ran out of the product I went back to the Cedartown location and finally was able to get someone to help me but when I asked about having the can shaken they told me "no" it was against their policy I followed directions again This has been 10 days and the floor is still sticky Very dissatisfied August 23, 2016
Rated 1.0 out of 5.0 by Terrible Product, Very Poor results The product was applied to a cured concrete driveway. Temperature during application was 75F to 80F; overnight temperature was 60F. Humidity was low. Followed all application instructions (shake can, one light coat, clean dust-free surface). Applied a light coat using a roller. The driveway is about 2000 square feet, so it took about 4 hours to roll. Now after the drying time (>24 hrs), every place I overlapped with the roller (you have to overlap to get proper coverage) is dark and tacky. I attempted to use the Contact Us form on the Thompson's website, but it doesn't work. So I called. The application specialist told me to wipe down the tacky areas with mineral spirits. Really? That is an absolutely ridiculous (and time consuming) solution. They should have made the product work properly to start with, especially since I followed all instructions and took care during the application. I suspect that this would be the result for many. The Home Depot would do their customers a favor and stop offering this product. September 5, 2016
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