Best Sealer For Exterior Cedar

Peter | 12-07-2025

Navigating the many Best Sealer For Exterior Cedar options on the market – from major brands like Ready Seal,OLYMPIC,Thompson’s Water Seal to lesser-known names – can feel overwhelming. But we’re here to help simplify your search for the best products.

After extensive research testing hundreds of Best Sealer For Exterior Cedar, we’ve selected the top contenders. Our number one recommendation is Ready Seal Best Sealer For Exterior Cedar based on its stellar performance and quality. Below you’ll find more of our top-rated picks for the best Best Sealer For Exterior Cedar currently available.

Be sure to consult our handy buying guide as well for expert tips on choosing the right Best Sealer For Exterior Cedar to suit your individual needs. It has all the crucial information you need to make an informed purchasing decision. With our guidance backing your choice, finding your perfect match will be smooth sailing!

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
Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon
Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon
Budget Pick
Olympic WaterGuard 11.75 oz. Woodland Cedar Semi-Transparent Exterior Wood Stain Plus Sealer
Olympic WaterGuard 11.75 oz. Woodland Cedar Semi-Transparent Exterior Wood Stain Plus Sealer

Top 10 Best Sealer For Exterior Cedar

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

1. 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.
  • Subject to or will include a PaintCare recycling fee in the following states: CT, orVT. Not available in CA.
  • Easy maintenance - no sanding or stripping required for re-application
  • "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

2. Olympic WaterGuard 11.75 oz. Woodland Cedar Semi-Transparent Exterior Wood Stain Plus Sealer

Olympic WaterGuard 11.75 oz. Woodland Cedar Semi-Transparent Exterior Wood Stain Plus Sealer
9.5

Olympic

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  • Ready mix, ready to use semi-transparent wood stain and sealant all-in-one
  • Waterproofing deck and fence protection
  • Provides a resistant stain coating & seal
  • SUNBLOCK UV defense
  • Exclusive SCUFF GUARD Technology
  • Protects up to 4-years on decks and 6 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

3. Thompson's Water Seal Transparent Wood Sealer, Natural Cedar, 1 Gallon

Thompson's Water Seal Transparent Wood Sealer, Natural Cedar, 1 Gallon
8.7

Thompson's Water Seal

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  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 4 Years on Decks, 5 Years on Fences and Siding
  • Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood

4. 2-Pack of 1 gal Ready Seal 112 Natural Cedar Exterior Stain & Sealer for Wood

2-Pack of 1 gal Ready Seal 112 Natural Cedar Exterior Stain & Sealer for Wood
8.9

Ready Seal

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  • No Laps, Runs or Streaks
  • No Back Brushing Required
  • No Cracking, Chipping, Flaking or Peeling
  • Can withstand rain within minutes of application
  • Easy Maintenance - No sanding or stripping required for reapplication

5. Thompson's Water Seal Thompson's WaterSeal Solid Color Wood Sealer, Natural Cedar, 1 Gallon

Thompson's Water Seal Thompson's WaterSeal Solid Color Wood Sealer, Natural Cedar, 1 Gallon
9.5

Thompson's Water Seal

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  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 6 Years on Decks, 15 Years on Fences and Siding
  • Meets Industry Standard ASTM D-4446 for Waterproofing Wood

6. Olympic Maximum 1 gal. Cedar Transparent Exterior Stain and Sealer in One Low VOC

Olympic Maximum 1 gal. Cedar Transparent Exterior Stain and Sealer in One Low VOC
8.5

Olympic

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  • Weather-ready wood stain application allows you to clean and stain on the same day in temperatures down to 35F, application is ready for rain in 8 hours
  • Penetrating, durable Wood Stain and Sealant in One protects and beautifies wood in one step
  • Durable wood stain formula features advanced SunBlock UV defense, exclusive SCUFF GUARD technology and enhanced waterproofing protection
  • Provides a mildew and mold-resistant coating that protects the surface from moisture and water damage
  • Recommended for use on exterior wood decks, fences, siding, railings, outdoor furniture and other wood surfaces
  • Transparent wood stain adds color while highlighting the wood grain
  • 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

7. 2-Pack of 5 gal Ready Seal 512 Natural Cedar Exterior Stain & Sealer for Wood

2-Pack of 5 gal Ready Seal 512 Natural Cedar Exterior Stain & Sealer for Wood
8.3

Ready Seal

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  • No Laps, Runs or Streaks
  • No Back Brushing Required
  • No Cracking, Chipping, Flaking or Peeling
  • Can withstand rain within minutes of application
  • Easy Maintenance - No sanding or stripping required for reapplication

8. Ready Seal Exterior Stain and Sealer-1 Gallon can (Natural Cedar 112)

Ready Seal Exterior Stain and Sealer-1 Gallon can (Natural Cedar 112)
8.9

Norkan, Inc.

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  • Wood Stain and Wood Sealer in one
  • No peeling, cracking, or chipping.
  • Goof Proof application process
  • Ready Seal is designed for exterior use only
  • Approximately 125-150 sq. feet per gallon

9. Defy Extreme Wood Stain 1-Gallon (Cedar Tone)

  • WATER-BASED SEMI-TRANSPARENT WOOD STAIN This environmentally friendly, water based deck stain allows the wood grain to show through with a beautiful semi-transparent, natural matte finish. It's great for staining wood decks, fences, siding, playsets, outdoor patio furniture, and more.
  • FORTIFIED WITH ZINC NANO-PARTICLE TECHNOLOGY Its like sunscreen for your wood. Tiny zinc particles dispersed throughout the stain reflect damaging UV rays, preventing premature graying and color loss.
  • EXTREMELY DURABLE, QUALITY THAT LASTS DEFY Extreme wood stains are made with the highest quality resins available that have better resistance to fading and darkening. The result is a quality semi-transparent deck stain that typically lasts a season or two longer than competitive products. Keep your deck, fence or siding looking great for longer by using DEFY premium wood stains.
  • EASY TO MAINTAIN When its time to do a maintenance coat, theres no need to sand or strip the surface again. Simply brighten the wood with DEFY Wood Brightener and apply a single maintenance coat of DEFY Extreme Wood Stain.
  • 100 VOC COMPLIANT - Ships to all states including California

10. Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon

Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon
9.8

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 resist wood damage, deterioration, and protects 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.

Peter

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