Best Sealer For Flagstone Patio in 2022 [*Top Picks*]

Looking for the best sealer for flagstone patio on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

6515 Reviews Scanned

  • Serveon Sealants H2Seal All Purpose Stone Sealer - Water Based Professional Grade Indoor/Outdoor - for Natural Stone, Concrete, Tile, Grout - Protection for Pool Decks, Patios, Pathway (1 Gal)
    Bestseller #1
    Serveon Sealants H2Seal All Purpose Stone Sealer - Water Based Professional Grade Indoor/Outdoor - for Natural Stone, Concrete, Tile, Grout - Protection for Pool Decks, Patios, Pathway (1 Gal) (78)
      PROLONGS STONE LIFE AND RETAINS NATURAL LOOK: H2Seal's natural stone sealer for outdoor provides an impenetrable barrier from moisture and saltwater while discouraging many stains and preventing efflorescence. Thanks to Serveon's highly-effective stone sealer, you'll have more time relishing your decorative outdoor landscapes. USES BREAKTHROUGH CROSS-LINKING TECHNOLOGY: H2Seal's grout stone sealer is an advanced siliconate water repellent technology. This allows H2Seal to penetrate deep into the grout while creating lasting optimum protection by forming a powerful water repelling matrix on the surface. ALL PURPOSE EASY TO APPLY SEALER: It is a one-sealer that fits all. Unboundedly, you can use it as a flagstone sealer for pool decks and patios, a pavers sealer for walkways, or a travertine sealer for garden paths. You name it; H2Seal has it covered! CONVENIENT AND ECONOMICAL: Easy to apply, the VOC compliant H2100 water-based concrete sealer deeply penetrates surfaces providing powerful protection including preventing efflorescence. Fast-acting, it makes your facade ready in an hour or less! This all-purpose, inexpensive stone sealer gives 3 to 5 years of protection and yields maximum coverage per gallon (up to 100 sq. ft. per quart). PREMIUM QUALITY PRODUCTS: Serveon Sealants is committed to delivering only the finest and high-quality 1 quart stone sealer using state-of-the-art facilities and breakthrough-linking technology. Grab your H2100 and then seal it, to believe it!
  • 5 GAL Armor AR350 Solvent Based Acrylic Wet Look Concrete Sealer and Paver Sealer
    Bestseller #1
    5 GAL Armor AR350 Solvent Based Acrylic Wet Look Concrete Sealer and Paver Sealer (207)
      The Armor AR350 is a breathable, non-yellowing solvent based acrylic that will darken concrete and pavers to make them look wet, and provide a long lasting, durable low gloss finish. The Armor AR350 is manufactured in the US and made from non-recycled resins. The Armor AR350 is self-priming and can be applied to unsealed concrete and paver surfaces, as well as surfaces previously sealed with a solvent based acrylic sealer. The Armor AR350 will help to reduce damage and deterioration caused by surface abrasion such as dustring, cracking, spalling, and pitting. The Armor AR350 can last up to 1-3 years on exterior surfaces and up to 3-7 years on interior surfaces before the need for a recoat.
  • Black Diamond Stoneworks Wet Look Natural Stone Sealer Provides Durable Gloss and Protection to: Slate, Concrete, Brick, Pavers, Sandstone, Driveways, Garage Floors. Interior or Exterior. 1-Gallon.
    Bestseller #1
    Black Diamond Stoneworks Wet Look Natural Stone Sealer Provides Durable Gloss and Protection to: Slate, Concrete, Brick, Pavers, Sandstone, Driveways, Garage Floors. Interior or Exterior. 1-Gallon. (1027)
      BEAUTIFUL GLOSS SEALER Works on exposed aggregate, stamped, colored or decorative surfaces SPRAY, BRUSH OR ROLL on concrete, pavers, slate, driveways, garage floors, patios, masonry, brick WILL NOT DARKEN MOST SURFACES when it dries. Does not look like you sprayed water on it. Resists chemicals PLEASE READ COMPLETE PRODUCT DESCRIPTION: not for polished GRANITE OR MARBLE WATER BASED SEALER VOC compliant, Easy to Maintain 100% Money Back Guarantee- Made in USA
  • All Purpose Concrete, Brick & Stone Sealer, Clear Penetrating Water Sealant for Porous, Exterior, Brick, Concrete, Stone, Cultured Stone, Sandstone, Limestone & Granite Siloxane Sealer, 1 Gallon
    Bestseller #1
    All Purpose Concrete, Brick & Stone Sealer, Clear Penetrating Water Sealant for Porous, Exterior, Brick, Concrete, Stone, Cultured Stone, Sandstone, Limestone & Granite Siloxane Sealer, 1 Gallon (12933)
      Clear, Waterproofing Protection for All Exterior, Porous Masonry & Concrete Surfaces Including Concrete, Brick, Natural Stone, Sandstone, Limestone, Cultured Stone (Stone Veneer/Manufactured Stone), Granite, and More Waterproofs and Protects Masonry & Concrete Surfaces from Water Damage & Freeze/Thaw Damage 100% Breathable - Doesn't Form a Film, Allows Trapped Moisture to Escape Which Prevents Pitting, Cracking & Delaminating Water-Based - Soap & Water Cleanup, Low Odor 5 Year Warranty on Vertical Concrete & Masonry Surfaces
  • 1 Gal. DOMINATOR Stone+ Gloss Clear Acrylic Sealer | Satin Finish Stone Sealer, Clay Brick Sealer | Color Enhancing | Professional Grade | Fast Dry | Indoor and Outdoor
    Bestseller #1
    1 Gal. DOMINATOR Stone+ Gloss Clear Acrylic Sealer | Satin Finish Stone Sealer, Clay Brick Sealer | Color Enhancing | Professional Grade | Fast Dry | Indoor and Outdoor (178)
      COLD WEATHER WARNING: Do not apply if surface temperature is expected to be below 50° for 48 hours before & after application. Keep a clean, WET LOOK, SATIN FINISH and improve the LONGEVITY of your outdoor stone, clay pavers, faux stone and travertine; not to be used on submerged surfaces. Textured surfaces will have a lower sheen. PROTECTS against oil stains and other spills while providing the ultimate weather resistance on surfaces including concrete pavers and decorative concrete. Breathe easy when applying DOMINATOR STONE+ sealer due to NO HARSH ODOR and LOW VOCs (Volatile Organic Compounds) as so many reviews have noted. Your money goes farther with this product! AMAZING COVERAGE RATE of 200 - 800 square feet per gallon (typically one coat), delivering long lasting protection. EASY spray on application using our included Quick Start Guide and available How To Videos. Dries quickly in most weather; typically wait only 24 hours for heavy foot traffic.
  • Low Gloss Patio Paver Sealer, 1 gal - Clear Water-Based Sealant for Natural Stone Surfaces
    Bestseller #1
    Low Gloss Patio Paver Sealer, 1 gal - Clear Water-Based Sealant for Natural Stone Surfaces (12933)
      Invisible Waterproofing Protection - Milky white in appearance when first applied, and dries clear Non-Yellowing, Clear, Water-Based, VOC Compliant Acrylic Sealer - Low Odor and Easy Cleanup with Soap & Water Helps Prevent Color Loss on Patio Stone Pavers Ready to Use - No Mixing Required - Easy to Apply with a Pump Up Sprayer Provides a Low-Gloss Finish to Patio Paver Stones (Does not leave a high gloss finish on your paver stones but rather, a rich angular sheen that protects your pavers from fading and hardens, or “stabilizes” the joint sand. The amount of sheen will vary, based on the porosity of the pavers).
  • Serveon Sealants H2Seal Outdoor Stone Sealer with Stain Guard - Water Based Professional Grade for Natural Stone, Concrete, Unglazed Tile, Brick - Protection for Patios, Pool Decks, Driveways (1 Gal)
    Bestseller #1
    Serveon Sealants H2Seal Outdoor Stone Sealer with Stain Guard - Water Based Professional Grade for Natural Stone, Concrete, Unglazed Tile, Brick - Protection for Patios, Pool Decks, Driveways (1 Gal) (78)
      SEALS AND RESISTS OUTDOOR STAINS: H2Seal's natural stone sealer for outdoor provides an impenetrable barrier from moisture, salt water, and oil while discouraging many common stains and preventing effflorescence. You will definitely be proud of a well-maintained facade, outdoor entertainment areas, and your outside kitchen; keeps surfaces free from greases, cooking oils, and vehicle oils. ALL PURPOSE CONCRETE SEALER: This water-based sealer is oil resistant, designed to keep surfaces looking new; it can be applied on natural stones, brick, concrete, pavers, and artificial stone. All thanks to Serveon's advanced technology formulation! CONVENIENT AND ECONOMICAL: Unequaled in the market H2900 outdoor stain guard sealer will save you time and money while providing powerful protection. Fast-acting, it makes a treated surface ready for foot traffic in only two hours. Above all, it provides 2 to 3 years of protection in-between applications. Unlike many other sealers, 1 gallon can yield up to 400 square feet. TROUBLE-FREE AND LOW MAINTENANCE: H2900 makes cleaning much easier while keeping treated surfaces looking new and it is easy to apply. Whether your application is a patio, a driveway or an outdoor cooking area, H2900 is the perfect sealer to give you long lasting protection and peace of mind. HIGH PERFORMANCE: Serveon is dedicated to providing premium products of the highest quality and performance. H2900 is formulated with ease of application and maximum protection to ensure it effectively seal and resist outdoor stains.
  • 1 Gal. AQUA-X 11 Clear Penetrating Stone and Concrete Sealer | Natural Finish | Professional Grade | Indoor & Outdoor | Fast Dry and Long Lasting Protection
    Bestseller #1
    1 Gal. AQUA-X 11 Clear Penetrating Stone and Concrete Sealer | Natural Finish | Professional Grade | Indoor & Outdoor | Fast Dry and Long Lasting Protection (178)
      COLD WEATHER WARNING: Do not apply if temperature is expected to be below 50° for 48 hours following application. Keep a clean, NATURAL APPEARANCE and improve the DURABILITY of your concrete driveway, patio pavers, unglazed cement tiles, concrete block retaining wall, cast concrete, natural stone, or your unpolished garage floor. Water-based, water-repellent sealer protects against stains, concrete spalling, freeze thaw, pitting, and salt damage after sealing with AQUA-X 11 Concrete and Stone Sealer. Makes regular clean-up and maintenance a breeze. Breathe easy when applying AQUA-X 11 Concrete Sealer due to NO HARSH ODOR and LOW VOCs as so many reviews have noted. No need for masks or extra ventilation when using indoors. Your money goes farther with AQUA-X 11 Concrete and Stone Sealer: 100-400 square feet per gallon on Concrete surfaces and up to 800 square feet per gallon on Stone surfaces. Plus 2-4 years before resealing (depending on your environment). Easy 1-coat spray-on application using our included Quick Start Guide and available How To videos. Fast dry times: Wait 2 hours for vehicle traffic, wait 1 hour for foot traffic. (High humidity and low temperatures increase dry times. Extremely porous surfaces may require more coats.)
  • 1 Gal. DOMINATOR LG+ Clear Acrylic Sealer | Low Gloss Paver Sealer | Wet Look, Color Enhancing | Professional Grade | Concrete Pavers and Decorative Concrete | Fast Dry | Driveway, Patio and Walkways
    Bestseller #1
    1 Gal. DOMINATOR LG+ Clear Acrylic Sealer | Low Gloss Paver Sealer | Wet Look, Color Enhancing | Professional Grade | Concrete Pavers and Decorative Concrete | Fast Dry | Driveway, Patio and Walkways (178)
      COLD WEATHER WARNING: Do not apply if surface temperature is expected to be below 50° for 48 hours before & after application. ENHANCE the life and beauty of your surface (wet look) and a low gloss finish for 2-4 years before the need to reseal (depending on your environment). Protects against oil stains and other spills while providing the ultimate weather resistance on surfaces including concrete pavers and decorative concrete. Not intended for stone or clay. Great coverage rate: 250-400 square feet per gallon, per coat. You will save money and time by reducing maintenance when you seal with DOMINATOR LG+. Breathe easy with DOMINATOR LG+ concrete sealer's water-based formula. No harsh odors and low VOCs (Volatile Organic Compounds) makes application pleasant and easy. Easy spray on application using our Quick Start guide (included in every purchase) and How To videos. DOMINATOR LG+ has an incredibly fast dry time between coats making it an easy one-day project, unlike some competitors.
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