Product selection from
THOMPSON'S WATERSEAL
Description
Can be applied on wood, bricks and concrete surfaces to prevent damages caused by water and sun. Can be applied with a brush, roller, by immersion or by a sprayer. 3.78 L.
- Prevents water damage
- Allows wood to gray naturally
- Great for use on deck, fences, patio, brick, concrete driveways and other exterior surfaces
- Apply with brush, roller or with a garden sprayer
Product specifications
Package Quantity
1
Container Size
1-gallon
Minimum Working Temperature (Celsius)
10.0 Celsius
Unit Of Measure Quantity
128
Minimum Coverage Area(m2)
18.58
Minimum Coverage Area(ft2)
200
Maximum Coverage Area(m2)
23.225
Maximum Coverage Area(ft2)
250
Maximum Working Temperature (Celsius)
32.22222222 Celsius
Minimum Working Temperature (Fahrenheit)
50 Fahrenheit
Maximum Working Temperature (Fahrenheit)
90 Fahrenheit
Warranty
None
Recommended Surfaces
Horizontal/Vertical
Uv Protection
No
Zero Voc
No
For Use on Docks
No
Algae Resistant
No
Concentrated
No
For Use in Basements
No
For Use on Outdoor Fabric
No
For Use with Siding
No
Low Odor
No
Mold Resistant
No
Non-Toxic
No
Textured
No
Unit Of Measure
Ounce(s)
For Use on Pavers
Yes
Dries Clear
Yes
For Use On Concrete/masonry
Yes
For Use on Driveway
Yes
For Use On Wood
Yes
For Use With Decking
Yes
For Use With Fencing
Yes
For Use With Furniture & Cabinets
Yes
Low Voc
Yes
Mildew Resistant
Yes
Sub-brand
N/A
Manufacturer Color/finish
Clear
Sheen
Satin
Base Material
Water-based
Color/finish Family
Clear
Dry to Re-Coat
24 hours
Dry To Touch
2 hours
Model Description
Thompson's WaterSeal Multi-Surface Waterproofer 3.78 L Clear
Number Of Coats Recommended
1
Transparency
Transparent
Type
Waterproofer
Use Location
Exterior
Water Protection
Water resistant
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Two questions: How big of an area does one coat of this product cover? What is the finish ie, is it matte, semi gloss or high gloss?
i used less than 2 containers to cover a deck of 11 by 27 ft
- the finish is matte - however the light colored deck I had dried one shade darker
Date published: 2022-05-07
Hello, I need to waterproof 3 1/2 inch thick 4 feet by 1.5 feet MDF boards. They will be installed inside under a big stone. Can I use this product? I am worried because you specifically say it cannot be used indoors. Thank you
Thank you for your question, we apologize for the delayed response. No, unfortunately all of the Thompson's Waterseal Products are for exterior applications only. Regards, Linda @ Thompson's Waterseal Customer Support
Date published: 2021-12-17
I purchased a Yardistry Pavilion several months. In checking with Yardistry, they recommend Thompson's water based sealant. After reviewing your reviews, I don't see very many happy customers. Is this the right product for this product?
Totally messed my deck up and had to remove it.
Date published: 2020-08-17
I want to seal my concrete bird bath. Is this product non toxic and safe for this application? Thanks
This product is a water based sealer and will work for sealing the bird bath. It must given drying time as per label before being put back into use.
Date published: 2019-07-09
If it was frozen is it still useable
I am not sure. The quality is just OK.
Date published: 2019-06-26
would this product work on a rubberstone driveway?
Hello. This product is not recommended for a rubber product. Please check with manufacture of Rubberstone for coating recommendations. Regards, Thompson's Waterseal Customer Support
Date published: 2019-06-24
I've got a slate tile covered deck.would this product work for natural slate
Hello. Bare slate is an approved surface. Do a wipe down within 5-10 minutes of application to remove any excess product that does not absorb.
Regards, Thompson’s WaterSeal Customer Support
Date published: 2019-05-10
I have a insulated garage. I just want to be extra sure that no moisture go from outside brick wall to the inside of wall. Would it work for this purpose?
Hello. You can use our product on the outside of the brick wall, provided it has no existing coating/product on it. Our product should seal the outside surface against any moisture or water. It will not seal any water from the inside wall though.
Regards, Thompson’s WaterSeal Customer Support
Date published: 2019-02-27
Thompson's WaterSealer Waterproofer - Multi-Surface - Clear - 3.78-L is rated
out of
5 by
69.
Rated 3 out of
5
by
ecolen55 from
Has the formula changed?
I had some 5 or maybe 10 year old Thompson water seal. I put it on with my old Thomspon sprayer and it worked great. However, I swear the sealer was clear. Purchase a new can of sealer and it was milky and was very difficult to spary on my fence. The application was very blotchy. It look terrible but as it dried the apperance improved. Still have some sticky areas and wasted a lot of sealer because of how it sprayed.. I still recommend Thompson's water sealer because I have used it over 30 years with no problem. Makes me wonder if its my sprayer or if its the product. I may have to do the fence again to ensure proper coverage with a new sprayer and product.
Date published: 2019-07-07
Rated 5 out of
5
by
MKro from
Very Effective on Older Concrete Pavers
I was looking for a product to bring some life and colour back to an older patio made of concrete pavers. I had tried other products with limited success. Thompson's Multi-Surface did the trick. It is cheap and very effective. It improved the colour while sealing it. To prepare all I did was used a pressure washer. I tried to roll it on with limited success so quickly discovered that spraying it with a pump sprayer worked best. I did find it useful to use a paint roller to even out the spray. Two coats were necessary. There are also good videos on Youtube to show you how to apply.the product. I have also found that the product may go a little milky if rained upon early after the application but this will disappear
Date published: 2018-06-24
Rated 5 out of
5
by
Stevi from
Finally waterproofed
Due to many years of illness, sealing of our deck never got done. Just found someone to complete the process after a good pressure cleaning. This poor abused 10 year old deck is now looking like it was just built and sealed. Am so happy with how Thompson's performed.
Date published: 2018-11-15
Rated 1 out of
5
by
Jennyd from
Very disappointed
We power washed and cleaned our deck and it looked brand new. We waited a day to be sure it was dry and applied this clear seal and I am so disappointed. This was 3 days of work and it looks horrible!! I have used this product for 30 years and have always loved the way it brightened and refreshed our deck. How do we fix this?
Date published: 2020-06-04
Rated 1 out of
5
by
Thomas from
Thompson Needs to Develop a New Formula
My experience is the same as the other recent reviews, i.e. leaves the concrete sticky and blotchy. Used two gallons with a garden sprayer as recommended on the can. When I ran out and had to go purchase another gallon, the nearest store didn’t carry Thompson’s. Purchased Olympic and it worked perfectly. That is the only part of my concrete that looks good. So, it appears that it is possible to develop a formula that works, even with the VOC restrictions. This is not an acceptable product.
Date published: 2020-05-22
Rated 4 out of
5
by
Berney12 from
Good waterproof coverage
I bought this product 2 years ago. I have used it on the wood plank floor to my trailer. It has been great protection for the wood in my trailer.
Date published: 2018-11-06
Rated 1 out of
5
by
Treavor from
Garbage
Don't waste your money. No longer clear. A white pastey mix that plugs the sprayer and is way lighter finish than the same jug I bought 2 years ago. Doesn't apply very easily and will require a second coat.
Totally not impressed! What a waste of time and money!!!
Date published: 2019-08-04
Rated 1 out of
5
by
TomN from
Tackiness
I applied this product according to the instructions. my surface was acid stained concrete which is 7 years old. I applied the sealer with a roller and the temperature was approximately 85 degrees. After over 48 hours the sealer was tacky, so much so that you could not walk on the surface. Pressure washing twice with a detergent had a minimum effect. Only after two more cleanings with a degreaser was I able to walk on the surface with still some tacky spots which needed attention. I have used other water based concrete sealers before which have all had very fast drying times and did not remain tacky even after several applications within the same day. Always used Thompson's products in the past and I thought I would revisit the product line. I am sorry I did.
Date published: 2020-05-20
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