10 Best Masonry Sealer of August 2025

• Clear, Water Repellent 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/Eco-Friendly - Soap & Water Cleanup, Low Odor
• 5 Year Warranty on Vertical Concrete & Masonry Surfaces

MasonryDefender

• Liquid concentrate formula makes 1 gallon of commercial grade water proofer
• Safe around plants, people and pets
• Eco-friendly, low VOC, low odor formula is safe to walk on in less than 2 hours
• Ideal for use on concrete, brick, stucco, stone (natural and synthetic), eifs, pavers and more
• Vapor permeable (breathable) water proofer can be used on new concrete and masonry

Eco Advance

• Long lasting water repellent prevents water penetration in masonry chimneys
• Keeps masonry looking new / prevents deterioration caused by water
• Dries completely clear - doesn't alter surface appearance
• Water-based & environmentally friendly
• Easy to use - simply spray on with a pump sprayer

CHIMNEYRX

• Water based, breathable, high solids Silane Siloxane sealer that can be used on interior and exterior, vertical and horizontal concrete, brick, pavers, flagstone, and slate.
• The Armor SX5000 is approved by the Department of Transportation in several states as a water repellent sealer. Not only is it DOT approved, but it has been used by the DOT in several states to protect roadways and bridges against deterioration caused by freeze thaw cycles, staining, and the growth of mold and mildew.
• The Armor SX5000 will not change the look or color of the substrate, and it will not leave behind a visible surface film. It works entirely below the surface and will maintain the natural unsealed look of the substrate.
• The Armor SX5000 is manufactured in the USA! We do not use recycled or imported resins in our formulas.

Foundation Armor

• MASONRY SEALER - Works as Both an Interior Brick Sealer & Exterior Brick Sealer for All Masonry Walls
• CREATES AN ATTRACTIVE CLEAR, SATIN SHEEN - Doesn't Change the Color of the Brick - Apply Multiple Coats for a Slightly Higher Sheen
• MAKES INTERIOR BRICK WALLS EASIER TO CLEAN - Creates a Washable Surface That Makes Interior Brick Much More Manageable
• MINIMIZES BRICK DUST ON INTERIOR WALLS - This Interior Brick Sealer Prevents Brick Dust From Constantly Falling On the Floor
• WATER-BASED MASONRY SEALANT - This Low Odor, Acrylic Sealer Is Easy to Apply With a Brush, Roller, or Airless Sprayer

MasonryDefender

• Penetrating (2") Solvent Based Silane/Siloxane Water Repellent. Interior/Exterior.
• Superior efflorescence and strong alkali resistance. Stops concrete dusting.
• Resists damage cause by de-icing salts and freeze/thaw cycles.
• Lasts up to 10 years and won't change the look of the concrete.
• Provides excellent resistance to mold, mildew, and fungus.

Foundation Armor

• Water based, breathable, high solids Silane Siloxane sealer that can be used on interior and exterior, vertical and horizontal concrete, brick, and pavers.
• Approved by the DOT as a water repellent sealer and can provide up to 10 years of performance.
• Will maintain the natural, unsealed look and feel of the substrate. 1 gallon will cover up to 100 FT2 in two coats.
• Will reduce damage caused by snow and ice, road salts, environmental exposure, and staining.
• Excellent sealer for unsealed basement walls and floors, garage floors, paver patios and walkways, concrete driveways, pool decks, warehouse floors, and more.

Foundation Armor

• Creates a UV-stable, non-yellowing coating that preserves the natural color of the concrete and resists weathering and decay.
• Helps prevent salt deposits, cracking, spalling, mold & mildew growth, lime bloom and freeze/thaw damage
• Water-based, non-toxic, Eco-friendly sealer that will not harm pets, plants or people
• Flexible, breathable barrier, will not peel, prevents color fading, soap & water clean-up
• Forms a long-lasting water-resistant shield that penetrates below the surface to protect against water damage from the inside-out

SEAL-ONCE

• CLEAR PROTECTION – Provides a long-lasting, non-glossy invisible coat to concrete surfaces. Will never leave any residue or alter the color or appearance of your concrete driveway, sidewalk, or patio. Masonry waterproofer that will last for up to 5 years
• WATER REPELLENT – Water-based eco-friendly silane/siloxane rain guard penetrating concrete sealer that bonds with the minerals in concrete and masonry to provide with you long-lasting water protection. The breathable sealer causes the water to bead instead of seeping into the concrete
• POWERFUL CONCRETE SEALER – Keep your driveway looking new and protect it or other concrete surfaces from pitting or cracking. Best suited to protect against ice melt salts or chloride ions, freeze thaw damage, efflorescence stains, and more.
• EASY TO APPLY – First step is to ensure your concrete surface is fully cleaned and clear of dirt, dust, grease, oil, efflorescence, etc. Use a low-pressure pump-up garden sprayer to evenly coat your driveway. Avoid puddling or ponding. 1 gallon will give 90-150 sq.ft. of coverage
• 3 YEAR WARRANTY – MasonryDefender offers a 3 Year Limited Warranty on Horizontal Concrete Surfaces

MasonryDefender

• High quality product
• High durable product
• Manufactured in United States

OLYMPIC/PPG ARCHITECTURAL FIN