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Internet # 305230335

Model # 57500A-05

Store SKU # 1003202153

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Maximum 5 gal. Clear Exterior Waterproofing Sealer

Contains 5 gallons
$184.00
($36.80 /gallon)
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  • Stain, seal & waterproof in one step with penetrating formula
  • Advanced SunBlock UV Protection with mildew resistant coating
  • Oil based stain ideal for deck, fence & exterior wood projects
  • View More Details

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Product Details

About This Product

Olympic Maximum Clear Waterproofing Sealant is #1 rated three years in a row by a leading consumer magazine among clear wood sealer stains. Features a penetrating formula that offers great protection against water damage, UV wear, scuffs and mildew stains. Promotes the natural beauty and durability of your wood. Recommended for use on exterior wood decks, fences, siding, railings, outdoor furniture and other wood surfaces. Apply to new, dry, pressure-treated wood, uncoated new or weathered wood, or previously coated wood with a weathered, clear sealant or semi-transparent stain.

Highlights

  • Stain with sealant in one protects and beautifies wood in one step
  • Clear waterproofing wood deck and fence sealer
  • Penetrating oil stain formula for lasting color and protection
  • Provides a clear, mildew resistant coating
  • Durable wood stain formula features advanced SunBlock UV defense, exclusive SCUFF GUARD technology and enhanced waterproofing protection
  • Recommended for use on exterior wood decks, fences, siding, railings, outdoor furniture and other wood surfaces
  • Apply to new, dry, pressure-treated wood, uncoated new or weathered wood, or previously coated wood with a weathered, clear sealant or semitransparent stain
  • One coat application recommended
  • Oil based stain for easy cleanup with mineral spirits
  • Pretest: Apply to a small area and allow to dry to ensure applicable appearance and penetration.
  • For previously stained wood: If the stain is not absorbed into the surface and is still tacky after 12 hours, the surface is not suitable for a waterproofing sealant
  • For damp wood: If wood is too damp to allow penetration, allow to dry further and retest for penetration
  • Online Price includes a PaintCare fee in the following states: CA, CO, CT, DC, IL, MD, ME, MN, NY, OR, RI, VT, WA
  • Return Policy

Product Information

Internet # 305230335

Model # 57500A-05

Store SKU # 1003202153

Additional Resources

Shop All Olympic

Specifications

Dimensions

Container Size

5 Gallon

Coverage Area (sq. ft.)

1200 sq ft

Details

Application Method

Brush, Pad, Paint Sprayer, Roller

Base Material

Oil Based

Color Family

Clear

Color/Finish

Clear

Dry to the touch (hours)

4

Interior/Exterior

Exterior

Maximum Optimal Temperature (F)

90

Minimum Optimal Temperature (F)

50

Number per Package

1

Paint/Stain Clean Up

Mineral Spirits

Paint/Stain Features

Dries Clear, Mildew Resistant, Moisture Resistant, Waterproof

Recommended Number of Coats

1

Returnable

90-Day

Sheen

Natural Stain

Stain & Sealer In One

Yes

Substrate Condition

Finished Wood, Pressure Treated Wood, Unfinished Wood

Substrate/Surface Material Use

Wood

Surface Location

Deck

Time before recoating (hours)

24

Transparency

Clear

Vertical/Horizontal

Vertical / Horizontal

Warranty / Certifications

Certifications and Listings

No Certifications or Listings

Manufacturer Warranty

LIMITED WARRANTY

Questions & Answers

Is this oil based stain
ByAug 13, 2026
0 Answer | 
Answer This Question

Can this be used on walminized deck? & how long do you have to wait to apply after new deck is built?
ByJul 29, 2026
0 Answer | 
Answer This Question

Do you still make Olympic Maximum clear #75700-A oil based deck sealant? Where can I find buy it?
ByJul 27, 2026
1 Answer | 
Answer This Question

We do still make this product. However, this product is not available in all states due to air quality restrictions. If you need assistance on whether this product can be purchased in your area, you can call us at 1-800-441-9695 or e-mail us at techservicerequests@pittsburghpaints.com

By|Aug 3, 2026


    Can you darken the stain?
    ByJul 12, 2026
    1 Answer | 
    Answer This Question

    Hi Jane, this is a tinted product. You can visit a tint desk to see if they can assist.

    By|Jul 27, 2026


      Would this product be considered safe to use to seal a wood that stretches over a pond that is currently dry but maybe surrounded by water after the rainy season
      ByJul 3, 2026
      1 Answer | 
      Answer This Question

      More information is needed. To talk to a specialist, please call 1-800-441-9695.

      By|Jul 27, 2026


        Can this be used to seal the outside and inside of a cedar greenhouse and how many gallons do you recommend for a 20foot by 17foot by 12foot tall greenhouse
        ByJun 23, 2026
        1 Answer | 
        Answer This Question

        Yes, it will seal bare Cedar. Coverage is 250-350 square feet per gallon. For more information, please contact a representative at 1-800-441-9695.

        By|Jul 1, 2026


          Does this product leave a sticky finish?
          ByJun 9, 2026
          1 Answer | 
          Answer This Question

          ~Not unless it is applied to an already sealed surface or over applied. To talk to a specialist, please call 1-800-441-9695.

          By|Jun 22, 2026


            Does this stain provide waterproofing
            ByJun 2, 2026
            1 Answer | 
            Answer This Question

            Yes, it does. To talk to a specialist, please call 1-800-441-9695.

            By|Jun 8, 2026


              Viewing 1-8 of 727

              Customer Reviews

              4.3 out of 5

              • 4.3 out of 3,106 reviews
              • 75% recommend this product
              Filter by:
              Showing 1-10 of 3,106 reviews
              Product applies well via an air sprayer, good coverage and strong uniformity when applying in two coats. Quick to recoat. A few months in and holding up well.
              by
              This sealer works great. We have used it several times on our cottage decks and picnic table and they always looks like new and stay that way for a few years. Wish the oil based version was easier to find though.
              by
              I love the color and it brushed on easily. We used the same product and color several years ago and my deck gets full sun all day. We are refreshing the look as you can see from the picture.
              by
              Coverage was good but it is not really a clear stain, it does have a slight tint to it. Almost returned it but read other reviews that also said it had a tint so took a chance. Wanted the planter to be clear so It would contrast with fence. Pics are raw cedar before and after.
              by
              • Verified Purchase
              1 found this review helpful
              This customer chose to rate the product and not provide text.
              by
              • Verified Purchase
              Have used before….no problems at all.
              by
              • Verified Purchase
              Waterproof and perfect color
              Perfect color / looks nice on my porch
              by
                • Recommended
                This customer chose to rate the product and not provide text.
                by
                • Verified Purchase
                We loved this product. We were worried about the stain leaving a shinny film, but it turned out beautiful! It has rained since applying it and it is very water resistant.
                by
                This product really sealed my fence and looks awesome.
                by
                Showing 1-10 of 3,106 reviews

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                Product Snapshot

                Ideal for exterior wood protection, offering UV defense, mildew resistance, and lasting color in one coat.
                Ideal for bamboo and wood protection, offering UV and water resistance for enhanced longevity and natural beauty.
                Ideal for below-ground wood protection, preventing insect damage, rot, and decay. Protects against mold, mildew, and water damage.
                Ideal for exterior wood protection, offering termite, mold, and mildew resistance for lasting durability.

                UV Protection

                Advanced SunBlock UV defense
                UV-resistant

                Water Resistance

                Coverage Area

                1200 sq ft/5 gal
                350 sq ft/gallon
                150 sq ft/gallon
                150-350 sq. ft./gal

                Drying Time

                4 hours to touch, 8 hours rain-ready
                45 minutes (tack-free), 1.5 hours (dry to touch), 16 hours (recoat)
                1 hour to touch, 24 hours recoat
                24 hours

                Mold and Mildew Resistance