With so many Best Deck Clear Sealer brands on the market – from prominent names like Thompson’s Water Seal,Seal-Once,OLYMPIC,DEFY,Cabot to smaller manufacturers – making the right choice can feel overwhelming. But we’re here to help simplify your search for the best product.
We extensively tested and evaluated dozens of top-rated Best Deck Clear Sealer across various price points, spending over 100 hours comparing the contenders side-by-side. Based on our in-depth first-hand research, we compiled this list of stand-out Best Deck Clear Sealer to consider. Our top recommendation is Thompson’s Water Seal Best Deck Clear Sealer for its uncompromising quality and performance.
Below you’ll discover more of our favorite Best Deck Clear Sealer picks. And be sure to consult our buying guide for expert insights on selecting the ideal product for your individual needs and budget. With us guiding your decision, you can shop confidently knowing you’ve chosen an exceptional Best Deck Clear Sealer you’ll truly love.
Editor's Choice
Thompsons Water Seal 24101 Clear Multi-Surface Waterproofer, 1-Gallon
Premium Pick
Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon
Top 10 Best Deck Clear Sealer
We researched and compared the top products in the Best Deck Clear Sealer category to provide you with these recommendations.
1. Thompsons Water Seal 24101 Clear Multi-Surface Waterproofer, 1-Gallon
- California formulation
- Waterproofer product
- Use on decks, fences, brick patios, concrete driveways and exterior surfaces
- Prevents water damage
- Allows wood to gray naturally
2. Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon
- 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.
- 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.
3. Olympic WaterGuard 1 gal. Clear Exterior Waterproofing Wood Sealer
- Ready to use clear sealant and waterproofer
- Perfect for new wood, pressure-treated wood, weathered wood and wood with a weathered clear or semi-transparent stain
- Durable sealant that provides waterproofing protection; Coverage up to 350 sq. ft. per gallon
- Repels water
- Provides SUNBLOCK UV protection
4. DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon
- WATER-BASED, CLEAR COMPOSITE DECK SEALER This water based, clear wood and deck sealer protects composite wood from the harmful effects of the sun, while adding little to no change to the natural look of your composite deck.
- 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, HIGH QUALITY RESINS DEFY Composite Deck Sealer is made with the highest quality resins available that have better resistance to fading and darkening. The result is a quality sealer that typically lasts a season or two longer than competitive products.
- QUALITY THAT LASTS DEFY Extreme Composite Deck Sealer is a premium-grade, clear deck sealer that is built to last. Keep your weathered composite deck, or fence looking great for longer by using DEFY.
- EASY TO MAINTAIN When its time to do a maintenance coat, theres no need to strip the surface. Make sure the surface is clean, then apply a single maintenance coat of DEFY Composite Waterproofing Sealer.
5. Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon
- 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.
- 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.
6. Valspar/Cabot 210211 140.0002101.007 Clear Wood Protector, Clear - 1 Gallon
- Deep Penetrating waterproofer
- Dual Action UV protection
- Mildew & Algae resistant coating
- For use on new or reconditioned wood decks, porches, outdoor furniture, steps and railings
- Also suitable for stone, masonry, brick and concrete
7. Olympic Stain Smartguard Concentrated Multi-Surface Sealant, Clear, 15oz
- Stain Your Deck Quickly And Easily - Olympic Smart guard is a patent-pending deck stain product that allows you to simply spray on the sealant eliminating the need for back-brushing your deck.
- Simple Stain Process - To apply Olympic SmartGuard Deck Sealant simply pour the pouch into a deck sprayer, add 2 gallons of water, and then spray over your deck - it works on traditional wood decks, concrete, and even composite decking!
- Quick Dry - Dries in 1 hour so you can entertain or spend time outdoors with less hassle and less disruption. Apply this deck sealant quickly and get back to enjoying your day.
- Use Even After Rain - Can be applied after cleaning or rain ensuring you get to have fun on your deck as quick as possible
- Durable - Strong durability and waterproofing protection makes Olympic Smart Guard the smart choice for any homeowner who wants to seal their wood or composite deck quickly and still enjoy the outdoors.Multi-Surface Use - While many deck sealants only work on wood, Olympic Smart Guard works as a sealant on Wood Decks, Concrete Patios, Masonry, and even weathered Composite Decks.A Trusted Name In Deck Stain Technology - The Olympic brand has been trusted to provide quality results since 1938. Its history of excellence and expertise has made Olympic Stains a category leader with a reputation for delivering innovation and durability at an affordable price. Gorgeous results are always guaranteed with Olympic Stains. With a full range of exterior stains, resurfaces and wood cleaners, we have the products you need to complete your next wood staining project right.
8. THOMPSONS WATERSEAL 21802 VOC Wood Protector, 1.2-Gallon, Clear
- Item Weight: 9.65 lb
- Country of Origin: China
- Brand name: Thompson's Water Seal
- Item Dimensions: 4.1"L x 6.6"W x 11.0"H
9. Ready Seal 500 Clear, 5-Gallon Exterior Wood Stain and Sealer, 5 Gallon
- Requires no primer
- May be applied using sprayer, roller or brush
- Requires no back brushing or wet-line application
- Can be applied in any temperature range
10. Defy Extreme Wood Stain 1-Gallon (Crystal Clear)
- 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
Peter
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