Best Clear Deck Sealer For Cedar

Peter | 28-12-2025

With so many great Best Clear Deck Sealer For Cedar to pick from, like those from brands such as Thompson’s,Seal-Once,Ready Seal,OLYMPIC, it can be tricky for customers to decide what to buy. But after extensive research, we’ve discovered the stand-out Best Clear Deck Sealer For Cedar currently on the market.

Our team rigorously tested numerous products available to consumers. The one that stands at the top of our list is Thompson’s Best Clear Deck Sealer For Cedar, thanks to its impressive performance and features. Below you’ll find more of our top-rated picks, along with insightful analysis from our seasoned experts. Check out their thoughts before making your purchasing choice. With this guide backing your decision, you’re sure to end up with a Best Clear Deck Sealer For Cedar you’ll love.

Editor's Choice
Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood
Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood
Premium Pick
Thompson's WaterSeal Clear Wood Sealer, Clear, 1 Gallon
Thompson's WaterSeal Clear Wood Sealer, Clear, 1 Gallon
Budget Pick
Olympic WaterGuard 1 gal. Woodland Cedar Semi-Transparent Wood Stain and Sealer
Olympic WaterGuard 1 gal. Woodland Cedar Semi-Transparent Wood Stain and Sealer

Top 10 Best Clear Deck Sealer For Cedar

We researched and compared the top products in the Best Clear Deck Sealer For Cedar category to provide you with these recommendations.

1. Thompson's WaterSeal Clear Wood Sealer, Clear, 1 Gallon

Thompson's WaterSeal Clear Wood Sealer, Clear, 1 Gallon
9.5

Thompson's

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  • Year-Round Protection in Just One Coat
  • Helps Prevent Water Damage
  • Exceeds Industry Standard ASTM-D4446 for Waterproofing Wood
  • Crystal-clear sealer and sunblock protects wood and prevents yellowing

2. Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Gallon

Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Gallon
8.7

Thompson's

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  • WATERPROOFING STAIN Bring out the beauty of your outdoors with Thompsons WaterSeal Clear Multi-Purpose Waterproof Stain. Proven to waterproof concrete, brick, exterior wood and other exterior surfaces.
  • CLEAR STAIN This outdoor wood stain and sealer provides a clear finish. It will hide the grain, but still allow the texture to show. It provides complete protection while adding enhancing the natural color.
  • FADE RESISTANT FINISH The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
  • EASY TO USE Whether youre refinishing an existing fence or putting the finishing touches on a new patio, this concrete, brick, wood sealer is easy to apply. Clean the surface thoroughly prior to use for best results.
  • THOMPSONS Protecting & maintaining all your exterior surfaces, can easily be simplified if you know where to start. Thompsons WaterSeal is here to take the edge off, thanks to our one-coat products, informative how-to guides & decades of expertise.

3. Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon

Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
8.7

Thompson's

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  • WATERPROOFING STAIN Bring out the beauty of your outdoor wood with Thompsons WaterSeal Transparent Waterproofing Wood Stain. Along with adding smooth color, its a deck sealer that prevents water damage to help you maintain your outdoor living spaces.
  • TRANSPARENT WOOD STAIN This outdoor wood stain provides a transparent finish. It will hide the wood grain, but still allow the wood texture to show. It provides complete protection while adding boldly tinted color.
  • FADE RESISTANT FINISH The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
  • EASY TO USE Whether youre refinishing an existing fence or putting the finishing touches on a new deck, this waterproofing wood stain is easy to apply. It can be applied to damp or dry wood. Clean the surface thoroughly prior to use for best results.
  • EXCEEDS INDUSTRY STANDARDS Thompsons Waterproofing Exterior Wood Stain exceeds Industry Standard ASTM D-4446 for waterproofing wood.

4. SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low

SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low
8

Seal-once

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  • MARINE SEALANT: Our liquid formula creates a UV-stable coating for protection against the elements, saltwater spray, and water damage. Marine is a great protector for outdoor furniture, thermally modified wood, and boat docks. Marine is safe for use over open water and is non-hazardous to aquatic life.
  • DECK STAIN: It's water-based, ultra-low VOC, great for enhancing the extended life of your flooring, siding, and porch. The paint forms a water-resistant shield around wood fibers at the cellular level to help preserve the natural color.
  • WATERPROOF WOOD SEALER: The wood used on boat docks, decks, and retaining walls near rivers, lakes, oceans, and ponds is subjected to constant moisture. We crafted a sealer, remove stain, and finish all in one, specifically for these installations.
  • WOOD SEALANT: Our fast-drying protector penetrates wood below the surface, coating the wood fibers at the cellular level, which creates a long-lasting, flexible, breathable barrier. It provides a no-fuss, easy clean-up with soap and water.
  • SEAL-ONCE: Our user-friendly wood sealers and stains are an effective way to protect your lumber or concrete against water damage. When you use Seal-Once, you have the satisfaction of knowing our products will not harm pets, plants, or people.

5. Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood

Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood
9.8

Ready Seal

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  • Requires no primer. Ready Seal is darkest when first applied. It reaches its true color in approximately 14 days. Do not apply Ready Seal over painted or newly stained surfaces. Sealed surfaces inhibit penetration.
  • May be applied using sprayer, roller or brush onto the woods surface.
  • Requires no back brushing and will nerver leave runs, laps, or streaks.
  • Requires no wet-line application, the product will blend itself and can be applied in any temperature range for proper application.
  • Requires no diluting or thinning prior to spray applications.
  • "Goof Proof" application
  • No laps, runs or streaks
  • No back brushing
  • Apply in any temperature
  • Subject to or will include a PaintCare recycling fee in the following states: CA, OR, CT, VT

6. Olympic WaterGuard 1 gal. Woodland Cedar Semi-Transparent Wood Stain and Sealer

Olympic WaterGuard 1 gal. Woodland Cedar Semi-Transparent Wood Stain and Sealer
8.9

Olympic

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  • Ready mix, ready to use semi-transparent wood stain and sealant all-in-one
  • Waterproofing deck and fence protection, dries in 24 hours
  • Durable water based sealant that provides waterproofing protection with resistant coating
  • SUNBLOCK UV defense
  • Exclusive SCUFF GUARD Technology
  • Protects up to 3 years on decks and 4 years on fences and siding
  • Use on exterior wood surfaces including decks, fences, siding, railings, outdoor furniture and other wood or previously coated wood with a weathered clear sealant or semi-transparent stain
  • Water based stain cleans up with just soap and water
  • Coverage approximately 250-350 sq. ft. per gallon depending on wood texture

7. SEAL-ONCE NANO+POLY Penetrating Wood Sealer with Polyurethane - 1 Gallon. Water-based, Low-VOC,

SEAL-ONCE NANO+POLY Penetrating Wood Sealer with Polyurethane - 1 Gallon. Water-based, Low-VOC,
8.5

Seal-once

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  • WATER-BASED POLYURETHANE WOOD FINISH: Our sealant provides top-notch protection against wear and tear in high traffic areas. It's odorless and ideal for use on wood siding, log homes, swing sets, outdoor furniture, wooden deck and fence, and more.
  • WOOD SEALANT: Unlike many sealers that only form a topcoat, our protector penetrates below the surface to create a long-lasting, water-resistant shield around the wood. It helps protect against the elements.
  • FLOOR SEALER APPLICATOR: Our premium gloss is ultra-low VOC and great for enhancing the extended life of your exterior flooring. The sealant can be safely applied around your home, landscaping, vegetation, or over any water area.
  • WATERPROOF SEALER: Ditch the oil-based sealers and choose a UV-stable coating option. Our fast-drying liquid creates a flexible, breathable barrier and provides a no-fuss, easy clean-up with soap and water, as it allows the wood to grey naturally.
  • SEAL-ONCE: Our user-friendly wood sealers and stains are an effective way to protect your lumber or concrete against water damage. When you use Seal-Once, you have the satisfaction of knowing our products will not harm pets, plants, or people.

8. DEFY Extreme Crystal Clear Outdoor Wood Stain and Sealer in One – Clear Waterproof Sealant for

  • ADVANCED PROTECTION FOR OUTDOOR WOOD: DEFY Extreme wood stains offer high-performance deck stain and sealer products that prevent graying & weathering while also extending the life of exterior wood surfaces
  • LONG-LASTING WOOD SEALANT: This clear wood sealer protects your wood from moisture damage while the zinc nano-particles block harmful UV rays to prevent sun damage; ensuring lasting preservation of the wood's natural beauty in all weather conditions
  • EASY APPLICATION & MAINTENANCE: Apply this transparent waterproof coating with a sprayer, brush, or roller; easily clean up spills or errors with mild soap & water; reapply when water absorption is visible; 1 gal covers approximately 100-150 sq. ft.
  • VERSATILE: Extreme Crystal Clear wood stain has multiple use applications, whether that be a fence stain, deck sealer, or a stain for wood furniture, our product is designed to protect against the elements wherever you need a waterproof wood sealer
  • MADE IN THE USA: DEFY Extreme is proudly made in the USA with high-quality ingredients; our goal is to provide a reliable exterior wood stain sealer that uses innovative technology with tested formulas for superior outdoor wood protection

9. Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon

Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
8.5

Thompson's

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  • WATERPROOFING STAIN Bring out the beauty of your outdoor wood with Thompsons WaterSeal Semi-Transparent Waterproofing Wood Stain. Along with adding lightly tinted color, its a deck sealer that prevents water damage to help you maintain your outdoor living spaces.
  • SEMI-TRANSPARENT WOOD STAIN This outdoor wood stain provides a semi-transparent finish. It will hide the wood grain, but still allow the wood texture to show. It provides complete protection while adding lightly tinted color.
  • FADE RESISTANT FINISH The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
  • EASY TO USE Whether youre refinishing an existing fence or putting the finishing touches on a new deck, this waterproofing wood stain is easy to apply. It can be applied to damp or dry wood. Clean the surface thoroughly prior to use for best results.
  • EXCEEDS INDUSTRY STANDARDS Thompsons Waterproofing Exterior Wood Stain exceeds Industry Standard ASTM D-4446 for waterproofing wood.

10. Olympic WaterGuard 1 gal. Woodland Cedar Transparent Wood Stain and Sealer

Olympic WaterGuard 1 gal. Woodland Cedar Transparent Wood Stain and Sealer
7.7

Olympic

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  • Ready mix, ready to use transparent deck stain with sealer with approximately 250 - 350 sq. ft. of coverage per gallon
  • Waterproofing protection for decks, fences and other exterior wood projects
  • Durable water based sealant that provides waterproofing protection with resistant coating
  • SUNBLOCK UV defense
  • Exclusive SCUFF GUARD Technology
  • Protects up to 3 years on decks and 4 years on fences and siding
  • Use on exterior wood surfaces including decks, fences, siding, railings, outdoor furniture and other wood or previously coated wood with a weathered clear sealant or semi-transparent stain
  • Water based stain features easy clean up with just soap and water

Peter

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