10 Best Best Sealer For Flagstone Patio of 2025

Tested and Reviewed: Top 10 Best Sealer For Flagstone Patio deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Foundation Armor

Armor WL550 Deep Penetrating Solvent-Based Matte Wet Look 5 Gallon Concrete Sealer - Professional Grade Long Lasting Matte Wet Look Sealer For Concrete, Brick, Flagstone, Bluestone, Slate, and Masonry

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Editor's bottom line:

“This best sealer for flagstone patio is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Water repellent characteristics help to reduce damage caused by water absorption and freeze-thaw cycles
Breathable, low VOC, single coat application
Water repellent characteristics help to reduce deterioration caused by water absorption and freeze-thaw cycles
Breathable, low VOC, single coat application

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Picked by 194 people today

9.5

Joint-It

Joint-It Simple Dark Grey – Better Polymeric Sand Alternative, Haze-Free Patio Jointing Sand for Flagstones and Pavers, Wet Application Paver Joint Sand 28lbs, Dark Grey

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Main Highlights

FILL JOINTS PROFESSIONALLY: JOINT-IT SIMPLE is a fast, easy, long-lasting, and ready to use polymeric sand alternative joint filler to fill joints of pavers, flagstones, and slabs. The 28-pound bucket is available in 3 colors (Neutral, Grey and Dark Grey) with a quick 4 step application and covers approximately 100 square feet.
WET APPLICATION: No more waiting for summer to finish your patio, this product can be applied in the sun or the rain!
IMPORATANT: Preserve unused product by simply returning it to the bucket and covering it with 2 inch. of clean water and close lid tightly to perfect other projects!
HAZE FREE: Where polymeric sand hazes and stains pavers and flagstones, Joint-It Simple is a HAZE-FREE formulation.
NO DUST/NON-TOXIC: Polymeric sand creates a lot of dust, which is a known pulmonary irritant and can cause ongoing health problems for users. Our product Joint-It Simple is NON toxic, DUST-FREE, ECO-FRIENDLY and NATURAL to protect your health.

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Best Value

9.5

Save 29%

Black Diamond Stoneworks

Wet Look Natural Stone Sealer. Durable, Long-Lasting Gloss Protection. Interior and Exterior Pavers, Slate, Sandstone, Travertine, Flagstone, Driveways, Garage Floors, etc. Black Diamond Stoneworks.

29% OffFree Shipping

Main Highlights

ENHANCED GLOSS SEALER: Achieve a stunning "Wet Look" on a variety of surfaces including exposed aggregate, stamped, colored, or decorative stone, both indoors and outdoors. Our sealer magnifies the beauty and richness of your stone.
VERSATILE APPLICATION: Easily apply with a spray, brush, or roller to enhance concrete, pavers, slate, driveways, garage floors, patios, masonry, and brick. Unleash the natural beauty of your stone and transform your living space.
MAINTAINS NATURAL APPEARANCE: Wet Look will not darken most surfaces after drying, preserving the natural look of your stone. It resists chemicals and offers robust protection, making it the ideal solution for revitalizing dull stone.
IMPORTANT USAGE INSTRUCTIONS: Before purchasing, please read the full product description to ensure it meets your needs. For optimal results, always conduct a small test area to ensure compatibility and satisfaction before applying to the entire surface.
Homegrown Quality Assurance: From our family to yours, every bottle of Our Products is a testament to American craftsmanship. Proudly made in San Clemente, CA, our products stand as a beacon of quality in eco-conscious household care.

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9.2

Serveon Sealants

Serveon Sealants Natural Stone Sealer Plus Stain Guard (Clear Gloss Finish) Commercial Grade Outdoor Indoor Waterproof Grout Sealer Protects Pavers Pools Patios Landscape Stones (1 Gallon) H2700S

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Main Highlights

PENETRATING STONE SEALER: All-purpose natural stone sealer that provides an impenetrable barrier from moisture and saltwater erosion. This UV resistant deep penetrating grout sealant is ideal for both indoor and outdoor stone surfaces such as travertine patios, flagstone walkways, stone pavers sealer, limestone pool decks, and its ready to use. No mixing required!
CLEAR GLOSS FINISH & STAIN GUARD: With a fast dry time of under 2-hours, this weatherproof sealer for limestone provides a clear gloss finish that provides a color-enhancing low satin sheen to your stone surfaces. Stain resistant formula lessens the effects of outdoor stains from materials such as vehicle oils, leaves and soil run off. Food contact safe for outdoor kitchen areas, sealant allows for easier clean-up for red wine spills, ketchup and other common acidic food stains.
STRENGTHENS STONE SURFACES: Outdoor patio sealer includes our advanced proprietary formula which reacts with stone to fill vacant pores, strengthening and hardening the surface and improving water-resistant protection. Protection against surface damage, cracks and pitting.
SAFE WATER-BASED FORMULA: VOC compliant water-based stone sealer outdoor deeply penetrates surfaces providing powerful protection including preventing unsightly efflorescence, which are the white deposits that can appear on surfaces due to moisture loss.
MADE IN THE USA: Serveon Sealants designs and manufacturers its advanced water sealant products in Houston, Texas. Our stone and grout sealants are available in 1-Gallon options, as well as a select offering of 1-quart size bottles for smaller projects. Coverage area estimates 200 450 square feet per gallon and 50 100 square feet per quart.

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9.0

Serveon Sealants

Serveon Sealants Natural Stone Sealer Plus Stain Guard (Matte Finish) Commercial Grade Outdoor Indoor Waterproof Grout Sealer Protects Pavers Pools Patios Landscape Stones (1 Gallon) H2900S

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Main Highlights

PENETRATING STONE SEALER: All-purpose natural stone sealer that provides an impenetrable barrier from moisture and saltwater erosion. This deep penetrating grout sealant is ideal for both indoor and outdoor stone surfaces such as travertine patios, flagstone walkways, stone pavers sealer, limestone pool decks, and its ready to use. No mixing required!
MATTE FINISH & STAIN GUARD: With a fast dry time of under 2-hours, this weatherproof sealer for limestone provides a matte finish that preserves the natural color and look of your stone surfaces. Stain resistant formula lessens the effects of outdoor stains from materials such as vehicle oils, leaves and soil run off. Food contact safe for outdoor kitchen areas, sealant allows for easier clean-up for red wine spills, ketchup and other common acidic food stains.
STRENGTHENS STONE SURFACES: Outdoor patio sealer includes our advanced proprietary formula which reacts with stone to fill vacant pores, strengthening and hardening the surface and improving water-resistant protection. Protection against surface damage, cracks and pitting. Our stone sealers for pools and pavers provide protection for up to 3 years. Easy to apply with roller brush, pump up sprayer or hand brush.
SAFE WATER-BASED FORMULA: VOC compliant water-based stone sealer outdoor deeply penetrates surfaces providing powerful protection including preventing unsightly efflorescence, which are the white deposits that can appear on surfaces due to moisture loss.
MADE IN THE USA: Serveon Sealants designs and manufacturers its advanced water sealant products in Houston, Texas. Our stone and grout sealants are available in 1-Gallon options, as well as a select offering of 1-quart size bottles for smaller projects. Coverage area estimates 200 450 square feet per gallon and 50 100 square feet per quart.

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8.8

Serveon Sealants

Serveon Sealants Natural Stone Sealer (Wet Look Matte Finish) Commercial Grade Outdoor Indoor Waterproof Grout Sealer Protects Pavers Pools Patios Decorative Landscape Stones (1 Gallon) H2800S

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Main Highlights

PENETRATING STONE SEALER: All-purpose natural stone sealer that provides an impenetrable barrier from moisture and saltwater erosion. This UV resistant deep penetrating grout sealant is ideal for both indoor and outdoor stone surfaces such as travertine patios, flagstone walkways, stone pavers sealer, limestone pool decks, and its ready to use. No mixing required!
WET LOOK MATTE FINISH: With a fast dry time of under 2-hours, this weatherproof sealer for limestone provides a wet look with matte finish that enhances the natural colors of your stone surface. No shine or gloss effect, a single wet on wet application brings out the rich colors of your stones surface.
STRENGTHENS STONE SURFACES: Outdoor patio sealer includes our advanced proprietary formula which reacts with stone to fill vacant pores, strengthening and hardening the surface and improving water-resistant protection. Protection against surface damage, cracks and pitting. Our stone sealers for pools and pavers provide protection for up to 3 years. Easy to apply with roller brush, pump up sprayer or hand brush.
SAFE WATER-BASED FORMULA: VOC compliant water-based stone sealer outdoor deeply penetrates surfaces providing powerful protection including preventing unsightly efflorescence, which are the white deposits that can appear on surfaces due to moisture loss.
MADE IN THE USA: Serveon Sealants designs and manufacturers its advanced water sealant products in Houston, Texas. Our stone and grout sealants are available in 1-Gallon options, as well as a select offering of 1-quart size bottles for smaller projects. Coverage area estimates 200 450 square feet per gallon and 50 100 square feet per quart.

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8.6

Save 25%

BEEST

Paver Sealer - 8700 Wet Look (Satin Finish) - 1 Gallon Covers up to 175-250 sq ft (2 Coats)| Concrete Sealer Outdoor - Color Enhancing Acrylic Sealant for Stones, Patios, Pavers, Bricks & Driveways

25% OffFree Shipping

Main Highlights

CLEAN SATIN FINISH: BEEST PS-8700 is a water-based acrylic sealer that adds a durable satin finish to pavers, stone, and stamped concrete, improving the look and feel of your outdoor hardscape. NOTE: More porous surfaces may require additional coats to achieve desired appearance. Additional coats will increase gloss and color darkening.
COLOR ENHANCING WET LOOK: Instantly revive faded, dull, worn surfaces, giving them new life for up to 3 years. This professional grade sealer darkens and protects driveways, patios, walkways, and pool decks; enhancing the natural beauty and color.
SUPERIOR SURFACE PROTECTION: PS-8700 will protect against staining from oil, grease, and hot tire pickup, while resisting surface damage and deterioration from water absorption and abrasion. UV stable and non yellowing, and will not fade, chip, or delaminate.
SAFE & EFFECTIVE: The water-based, low VOC, low odor formula makes this sealer versatile enough to use indoors and out. Can be used on a wide variety of new and old concrete, brick, stone, and masonry applications, from natural stone to stamped concrete. 1 gallon covers up to 175-250 sq ft (2 coats) depending on the porosity of the surface.
MADE IN THE USA BY AMERICAN FAMILY-OWNED COMPANY: BEEST is a USA-based company located in Carlisle, Pennsylvania. All BEEST products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phone to answer any questions you may have. BEEST continues to work hard to deliver top-quality sealants and cleaners for your projects!

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8.3

Shabebe

Premium Stone Sealer, 1 Gallon – Max Gloss Wet Look for Pavers, Driveways & Patios – Waterproof & UV Resistant, Long-Lasting Protection with Enhanced Color for Natural Stone Surfaces

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Main Highlights

Max High-Gloss Wet Look: Transform your stone surfaces with a dazzling, mirror-like finish that enhances color vibrancy by 200%, delivering a stunning wet-look effect. Perfect for patios, driveways, walkways, and garden pavers, it instantly elevates outdoor spaces with a luxurious, high-end aesthetic. Ideal for modern designs where visual impact matters.
Waterproof & UV Resistant Pro: Our advanced nano-penetrating formula creates an invisible shield that blocks water absorption, preventing freeze-thaw damage, salt erosion, and efflorescence. It also filters out 98% of harmful UV rays, protecting against fading, discoloration, and surface degradationextending stone lifespan by 3X while maintaining its natural beauty. NOTE: IT IS NOT SUITABLE FOR POLISHED STONE OR TILE.
3-in-1 Easy Application, No Hassle: Designed for both professionals and DIY enthusiasts! Apply effortlessly via spray, roller, or brushsurface dries in just 30+ minutes with no special equipment needed. Works on porous surfaces like natural stone (granite, limestone, slate), concrete, and masonry, boosting application efficiency by 50% for faster, smoother results. NOTE: PLEASE ALWAYS TEST A SMALL AREA BEFORE USE ON FULL SECTION
Reduces Cleaning Effort: Thanks to its excellent stain resistance, this sealer effectively repels dirt and stains, making your stone surfaces easier to clean. Youll discover that cleaning tasks become much simpler, significantly reducing the time and effort required for maintenance, allowing you to spend more time enjoying life rather than worrying about upkeep.
Long-Lasting Protection, 1-3 Years: A single application delivers industry-leading durability, proven by 2,000+ hours of accelerated weathering tests. Resists abrasion, chemical exposure, and extreme weather, outperforming standard sealers. Significantly reduces reapplication frequency, saving time and money while keeping your stone pristine for years.

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8.1

Serveon Sealants

Serveon Sealants Natural Stone Sealer (Clear Natural Finish) Commercial Grade Outdoor Indoor Waterproof Grout Sealer Protects Pavers Pools Patios Decorative Landscape Stones (1 Gallon) H2100S

Free Shipping

Main Highlights

PENETRATING STONE SEALER: All-purpose natural stone sealer that provides an impenetrable barrier from moisture and saltwater erosion. This deep penetrating grout sealant is ideal for both indoor and outdoor stone surfaces such as travertine patios, flagstone walkways, stone pavers sealer, limestone pool decks, and its ready to use. No mixing required!
NATURAL CLEAR FINISH: With a fast dry time of under 2-hours, this sealer for limestone provides a natural look finish and will not change the color of your stones surface. Our stone sealers for pools and pavers provide protection for up to 3 years. Easy to apply with roller brush, pump up sprayer or hand brush.
STRENGTHENS STONE SURFACES: Outdoor patio sealer includes our advanced proprietary formula which reacts with stone to fill vacant pores, strengthening and hardening the surface and improving water-resistant protection. Protection against surface damage, cracks and pitting.
SAFE WATER-BASED FORMULA: VOC compliant water-based stone sealer outdoor deeply penetrates surfaces providing powerful protection including preventing unsightly efflorescence, which are the white deposits that can appear on surfaces due to moisture loss.
MADE IN THE USA: Serveon Sealants designs and manufacturers its advanced water sealant products in Houston, Texas. Our stone and grout sealants are available in 1-Gallon options, as well as a select offering of 1-quart size bottles for smaller projects. Coverage area estimates 200 450 square feet per gallon and 50 100 square feet per quart.

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8.1

MasonryDefender

MasonryDefender Low Gloss Patio Paver Sealer, 1 gal - Clear Water-Based Sealant for Natural Stone Surfaces

Main Highlights

CLEAR WATERPROOF SEALER: This water based acrylic sealer goes on milky white and dries clear, providing a rich, low-gloss sheen that enhances and protects your surfaces from fading; it is VOC-compliant and prevents color loss without yellowing
JOINT SEALING AND SAND LOCK: Our paver patio sealer seals joints by hardening and stabilizing the joint sand, helping to prevent weed growth and ant colonization
USE ON THESE SURFACES: This product is perfect for clay brick, clay paver stones, cement paver stones and natural stone and can be used on most types of horizontal, above grade concrete applications
COVERAGE: Covers 75-150 sq ft per gallon; no mixing required, simply use a pump-up sprayer to apply to stone surfaces and then back brush for even application; allow it to dry and then apply second coat, dry time will normally take 1-2 hours
EASY TO CLEAN: This paver sealant delivers a subtle, low gloss finish with low odor, and it's easy to clean up with soap and water

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Our Best Overall Choice

Best Choice

9.7

Foundation Armor

Armor WL550 Deep Penetrating Solvent-Based Matte Wet Look 5 Gallon Concrete Sealer - Professional Grade Long Lasting Matte Wet Look Sealer For Concrete, Brick, Flagstone, Bluestone, Slate, and Masonry

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Water repellent characteristics help to reduce damage caused by water absorption and freeze-thaw cycles
Breathable, low VOC, single coat application
Water repellent characteristics help to reduce deterioration caused by water absorption and freeze-thaw cycles
Breathable, low VOC, single coat application

Show Price

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