Model # TH.042821-16

Internet #204813838

Store SKU #1000034872

Thompson's WaterSeal 1 gal. Semi-Transparent Maple Brown Waterproofing Stain

Thompson's WaterSeal

1 gal. Semi-Transparent Maple Brown Waterproofing Stain

$28.31 /each

Frequently Bought Together

Product Overview

Thompson's WaterSeal Waterproofing Stain provides complete outdoor wood protection. It waterproofs long after the initial water beading is gone. Use on decks and fences, outdoor furniture and exterior wood.

California residents: see   Proposition 65 information

  • Shows medium wood grain and medium color
  • 1-coat protects 4 years on decks or 6 years on fences and siding
  • Applies to freshly cleaned damp or dry wood
  • Prevents water damage
  • Advanced polymers provide fade resistant color
  • Coating resists mildew and UV damage
  • Online Price includes Paint Care fee in the following states: CA, CO, CT, ME, MN, OR, RI, VT
  • Which type of exterior paint is best for your home?

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

Can you use this stain on pressure-treated wood?

Asked by: David
Yes. But read the directions first. I would let the pressure treated wood sit for a couple of months before applying a stain if it was me.
Answered by: Contractor
Date published: 2017-02-26

Is it water based or oil based stain?

I have old based stained deck and would continue like to use oil base stain / sealer. Is Thompson's WaterSeal Waterproofing Stain Semi-Transparent Maple Brown oil based stain ? Thanks!
Asked by: Joe
This is a water based product. That is one of the features that I liked the most about it.
Answered by: Contractor
Date published: 2017-02-25

Is it better to apply to a fence with a roller or with sprayer?

Asked by: Dulce
I find, when able to, spraying is always better. Faster and depending on fence surface (rough versus semi rough) I have always been happier with coverage when spraying. Some additional prep work with spraying needed (masking and non-windy days) but for me can not be beat.
Answered by: Fredho
Date published: 2017-02-11

Can this product be applied with a garden sprayer?

I own a wagner sprayer if that would work better.
Asked by: DanPaul
yes I've used a sprayer before but it uses a bit more of the product and there ia a little over spray and it also might take a little longer to dry.
Answered by: Anonymous
Date published: 2016-08-03
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Customer Reviews

1 gal. Semi-Transparent Maple Brown Waterproofing Stain is rated 4.5 out of 5 by 38.
Rated 5 out of 5 by from Best Deck Finish Product We used Thompson's Water Seal Stain on a very large deck at a previous house that we owned and had great experience with it. At our current house we tried a new deck coating product, and it did not perform well at all. We have scraped all of that off and gone back with this Thompson's Water Seal. I love this product. I won't ever use another deck finish product again. The directions are very clear and easy to follow. The 1 gallon can works great, and pours well. The stain is easy to apply. Clean up directions are easy to follow. I simply don't have any negative experiences with this product to report.
Date published: 2017-02-25
Rated 5 out of 5 by from I used this to seal and stain a 10-yr old, unstained, newly powerwashed, wood fence. Coverage was... I used this to seal and stain a 10-yr old, unstained, newly powerwashed, wood fence. Coverage was fast but required 2, sometimes 3, passes to fully seal. Always use a mask when applying, but the smell was not as bad as I feared going into this. That's a big plus! I would definitely recommend using an Airless Paint Sprayer if you have a lot of coverage to get through. It's been about 6 weeks since I finished this and the fence looks fantastic! water beads right up and rolls off of the fence.
Date published: 2016-11-01
Rated 1 out of 5 by from I live in Minnesota. Last year August 2016, I decided to use this product for staining my deck. I... I live in Minnesota. Last year August 2016, I decided to use this product for staining my deck. I put on 3 coats and followed the directions to a T. The product didn't even survive the winter before it started to flake off. I contacted Thompsons and they gave me the run around asking if I did the water test (Where you dump water on the deck to see if it beads up or soaks in. It needs to soak in to prove that it is porous enough to accept stain) and questioned me about the other directions. I told the guy who I was corresponding with that of course I followed the directions because I only wanted to do this once and have it last a few years. The guy said that the company stands by their product and that I would just have to send in the original receipt and they would gladly refund me. Who this day in age keeps a receipt for stain or paint? The answer is me from now on. I am not really as angry about the money as I am about the fact that I am going to have to redo this time consuming job. Not only will I have to restain, I have to strip off this inferior product adding more time and money. I will never again use a Thompson's product. Not only is their product inferior in the northern states, their customer service leave a lot to be desired. I bought 5 cans of this product and spent 2 weeks prepping and working on this project, since I have a large wrap around deck, just to have to do it again not even a year later. Unacceptable!
Date published: 2017-03-31
Rated 5 out of 5 by from Dress Up and Restore Decking Semi-transparent to allow wood grain to show through; speads easily; long lasting results; rich color to add elegance to deck area
Date published: 2015-05-27
Rated 5 out of 5 by from The finish that I have been looking for. I’ve tried many types of stains and brands of stains over the years. This Thompson stain appears to be the closest to an ideal finish or at least the finish that I have been looking for. After applying this product to an older deck made of treated lumber about 10 years old in full sun. I was very happy with the color and uniformity of the finish. I made a few repairs to the deck when preparing for the product application. The application and clean up was as to be expected. I cannot say how well the product will last but in full sun I’ll see soon. I would recommend this to a friend.
Date published: 2016-08-02
Rated 5 out of 5 by from Good stuff and good for 2~5 years depending on surface. The hardest part of doing this job is getting the weather and my available time to coincide. Cleaning up the overgrowth of plants takes more time than application. Perhaps Spring or Fall would probably be the best time to apply, when the plants can be trimmed back or not growing... Color / tone form gallon to gallon is good. They matched quite well. We used rollers, brushes and tried a 'garden sprayer' for the application. I used a 'long nap' 6" rough surface roller, and 2" 'disposable' brushes. No point in using a quality +$25 brush on the rough wood surface. I purchased a "Flo Master 1125d" specifically for this task last year. If you use a sprayer, make sure is is compatible for this task. The one I purchased at HomeDepot last year that was listed as suitable for this application. There are pictures of the paint/stain cans on the box. It proved absolutely unusable for this application; it was more of a mess than it's worth. My daughter, in her words; "I would love to write a burning review of that item", as she cleaned it.. We found the best method was: The long nap roller (with an extension pole/stick) was the fastest for the face boards, and brush to apply the product to end grain and between the boards. Pictures attached show a small section of the fence before/after. An aged, (+10 year old) section of fence (~14 feet long / 200 sq/ft) sucked in the preservative and needed almost a gallon. Obviously, your mileage will vary, perhaps I'm over applying.... But only another ~ 70' to go...
Date published: 2016-09-06
Rated 5 out of 5 by from good product I recommend Thompson's water seal products since it lasts for a few years. This semi transparent waterproofing stain is easy to apply. Be sure and read the directions so you clean and prep the deck properly. I decided the best way to stir the 5 gallon container (after prying the lid off ) was to use a stirring attachment that attaches to the drill called a spiral mixer. I was pleased with the coverage and the color is minimal since it is semi transparent. Like all stains and wood how it absorbs will vary. I like the results.
Date published: 2016-07-11
Rated 5 out of 5 by from Thompsons Stain maple brown I have long been a fan of Thompson's waterseal and have used it on my deck for over 25 years. After power washing my deck back to the original wood my wife decided she wanted to use a atain instead of clear.the brown maple went on very easily using a long handle and flat deck brush. It covered very easily and because our temperatures were in the 80s it took only 15 minutes for it to dry and only one coat was needed to get full coverage. And it only needs to be repeated every four years.
Date published: 2016-08-05
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