Model # 24105

Internet #100548129

Store SKU #430291

Thompson's WaterSeal 5 gal. Clear Multi-Surface Waterproofer

Thompson's WaterSeal

5 gal. Clear Multi-Surface Waterproofer

  • Designed to be used on wood, concrete and brick
  • Each container can waterproof up to 1,000 square feet
  • Easy to apply; only a single coat is required
$51.66 /each

Frequently Bought Together

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

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

What do I clean my sprayer with?

Asked by: smitty
1 cup Mineral spirits first run through and then 1/4 cup dish detergent and 1 qt. water second run through until clear.
Answered by: 1ProHandiman
Date published: 2016-08-12

Hello how often should I reseal the wood with this product

Asked by: oh
We wash and seal decks every 3 to 5 years depending on sun and rain fall. Places like Florida and Texas every 2 years.
Answered by: 1ProHandiman
Date published: 2016-09-14

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

Asked by: wildcat
Yes, it will then dry clear after curing. It needs to be applied evenly with no puddles. All puddles need to be spread out.
Answered by: 1ProHandiman
Date published: 2016-07-15

Cement is sticky and doesn't seem to be drying

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?
Asked by: Dale
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.
Answered by: hamrdul
Date published: 2016-02-03
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Customer Reviews

5 gal. Clear Multi-Surface Waterproofer is rated 2.7 out of 5 by 107.
Rated 5 out of 5 by from Works Great! This is a great product but we use it twice a year. We like the graying of the wood so didn't get the UV one. You still have to clean the area annually to prevent mildew and staining but that is to be expected. I roll it on. It usually takes 24 hrs to dry completely, otherwise it's tacky.
Date published: 2016-10-11
Rated 4 out of 5 by from The brick pavement in my backyard is 20 year old. Due to lack of maintence in past years, it is b... The brick pavement in my backyard is 20 year old. Due to lack of maintence in past years, it is beat up and in poor condition. In spite of this, the rejuvenating effect is instant and obvious after appling Thompson's clear multi-surface warerproofeer.
Date published: 2016-12-16
Rated 3 out of 5 by from Rolled on heavy on our driveway, one coat didn't do it, probably would take two or three coats Rolled on heavy on our driveway, one coat didn't do it, probably would take two or three coats
Date published: 2016-12-09
Rated 1 out of 5 by from New Formula NOT FOR CONCRETE! Stay Away! Have used TWS products in past with good results however, this product is AWFUL for concrete surfaces. I have a 3 yr old covered 25'x13' front porch with a concrete floor which had never been sealed. As per label instructions, I cleaned thoroughly and dried for 4 days prior to application. Humidity was 45-65% with temps in the 58-83 degree range with no rain during and four days after application. A light and even coat of this product was applied with a roller at the label recommended 250 sq ft/gal rate for concrete. FOUR DAYS LATER THE CONCRETE IS STILL STICKY AND VERY SPLOTCHY! I I should have read the reviews on Amazon and elsewhere before buying this product. I have contacted the manufacturer to determine how to resolve this unacceptable issue!
Date published: 2016-05-11
Rated 5 out of 5 by from Excellant Protection I have used Thompson's WaterSeal for many years to protect the masonry work on my property. During winter months, moisture can penetrate masonry and freeze. The freezing can crack and split the outside finish as it expands. Applying Thompson's WaterSeal before the anticipated first freeze of the season prevents damage due to freezing. It also protects staining due to water runoff during rains and dew. Thompson's WaterSeal is the best sealer I have found that works for a full season with guaranteed results. Due to the uneven rough surface I am protecting, I apply the sealer with an industrial sprayer. The sealer dries clear and does not change the appearance of the masonry.
Date published: 2015-06-01
Rated 1 out of 5 by from Junk Thompsons used to be good. They changed the formula. This stuff is junk.
Date published: 2017-01-10
Rated 1 out of 5 by from VERY disappointed We had recently built a new deck after having our pool put in. We purchased 2 of the 5 gallons of Thampson's WaterSeal clear multi-surface waterproofer. Less than 4 months after following the directions & applying two coats as directed as well..... the deck looks awful. It looks old & it has a lot of mold in several places. Each week it seems to have so much more. This is the first time we have ever used this produce and it's the first time we have ever had one of our decks to look this bad. Honestly, our new deck looks so much older than our 15 year old deck. I just hope our deck can get back half of it's original beauty...... I can't even explain how heartbreaking & disappointed it is to have spent the money & time on our deck & it look the way it does. Just want others to know before making the same mistake.
Date published: 2017-02-12
Rated 1 out of 5 by from Terrible Product This product sucks. I will never use or recommend this product ever again. At least I got my money back from the manufacturer.
Date published: 2016-12-12
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