OLYMPIC Waterproofing Stain provides a slight hint of color to maintain the natural beauty of new wood or restore the natural beauty of weathered wood.

5.1 Total Score

Olympic Waterproofing Stain

Product has a bit of an odor but was easy to apply and penetrated very well. The overall initial appearance is Ok/ Average. 14 month weathering test showed a significant loss of color as well as a fair amount of darkening (mildew growth) in the softer grain patterns of the board.

5.1Expert Score

Ease of Application

Ease of Penetration

Odor (Strong Odor=0, No Odor=10)

Initial Appearance

Resistance to Graying (After 1 Year)

Resistance to Peeling

Resistance to Mold & Mildew

Darkening

Ease of Cleanup

Eco-Friendliness

5.6User's score

Ease of Application

Ease of Penetration

7.6

Odor (Strong Odor=0

No Odor=10)

Initial Appearance

3.8

Resistance to Graying (After 1 Year)

4.2

Resistance to Peeling

4.4

Resistance to Mold & Mildew

6.2

Darkening

5.8

Ease of Cleanup

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2 Comments

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Colin September 30, 2020 at 12:35 pm

1.55
Ease of Application
60
Ease of Penetration
60
Odor (Strong Odor=0
30
No Odor=10)
60
Initial Appearance
10
Resistance to Graying (After 1 Year)
10
Resistance to Peeling
40
Resistance to Mold & Mildew
10
Darkening
10
Ease of Cleanup
20
We bought the Olympic maximum with a 6 year guarantee. We prepared our decking areas as directed for this particular product. Overall it took us a week to prepare and stain the decking. After only 9 months the stain was completely gone on all horizontal areas. This product does not work at all on areas that are horizontal, save your knees and back by avoiding this product

+ PROS: Good when it first goes on
- CONS: Does not last on horizontal areas. Only lasted 9 months even though it indicates 6 years of protection. This is a terrible product which should be removed from shelves!
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Easterner May 12, 2022 at 2:39 pm

2.65
Ease of Application
100
Ease of Penetration
80
Odor (Strong Odor=0
80
No Odor=10)
80
Initial Appearance
10
Resistance to Graying (After 1 Year)
10
Resistance to Peeling
10
Resistance to Mold & Mildew
70
Darkening
70
Ease of Cleanup
20
Bought the Olympic stain that states 10 year life on decks and 25 years on fences in big letters in the can. Applied it to my 1 year old pine fence last summer, 9 months later 90% of the Olympic stain is now gone leaving bare wood behind. Olympic customer service won’t respond to me and the Hardware store I bought it from says ‘that’s normal’ in spite of me holding the can that says 25 year fence life in front of their faces.

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Olympic Waterproofing Stain Review

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