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10 bestGrout Sealersof July 2025

112M consumers helped this year.

21% off

1

Miracle Sealants 511 Impregnator, 946mL
Miracle Sealants 511 Impregnator, 946mL

Miracle Sealants

9.9

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2

StoneTech BulletProof Sealer, 1-Quart (.946L)
StoneTech BulletProof Sealer, 1-Quart (.946L)

StoneTech

9.8

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3

Miracle Sealants GRT SLR 6-Ounce Grout Sealer, 6-Ounce
Miracle Sealants GRT SLR 6-Ounce Grout Sealer, 6-Ounce

Miracle Sealants

9.6

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5% off

4

Aqua Mix Sealers Choice Gold Rapid Cure 473mls (US Pint) by Aqua Mix
Aqua Mix Sealers Choice Gold Rapid Cure 473mls (US Pint) by Aqua Mix

Aqua Mix

9.5

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5

Natural Stone and Grout Penetrating Shower Sealer. Marble, Granite Travertine, Limestone. Protects Making Them Easy to Clean. Works Also on Grout in Tile, Ceramic, and Porcelain. 32oz.
Natural Stone and Grout Penetrating Shower Sealer. Marble, Granite Travertine, Limestone. Protects Making Them Easy to Clean. Works Also on Grout in Tile, Ceramic, and Porcelain. 32oz.

Black Diamond Stoneworks

9.2

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6

Miracle Sealants 511 Porous Plus Sealer, 473mL
Miracle Sealants 511 Porous Plus Sealer, 473mL

Miracle Sealants

9.0

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7

StoneTech High Gloss Finishing Sealer for Natural Stone, Tile, Grout, 1-Gallon (3.785L)
StoneTech High Gloss Finishing Sealer for Natural Stone, Tile, Grout, 1-Gallon (3.785L)

StoneTech

8.7

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8

Miracle Sealants 511 H2O Plus Sealer, 946mL
Miracle Sealants 511 H2O Plus Sealer, 946mL

Rust-Oleum

8.5

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9

Black Diamond Stoneworks Ultimate Grout Sealer: Stain Sealant Protector for Tile, Marble, Floors, Showers and Countertops
Black Diamond Stoneworks Ultimate Grout Sealer: Stain Sealant Protector for Tile, Marble, Floors, Showers and Countertops

Black Diamond Stoneworks

8.2

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10

Tuff Duck Granite, Grout and Marble Sealer 22 oz Stone Tile
Tuff Duck Granite, Grout and Marble Sealer 22 oz Stone Tile

Tuff Duck

7.9

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A Guide to Selecting the Best Grout Sealers

Choosing the right grout sealer is important for keeping your tiled surfaces looking clean and lasting longer. Grout sealer helps protect the grout lines between your tiles from stains, moisture, and mold. When picking a grout sealer, you should think about where you’ll use it (like in a bathroom, kitchen, or outdoors), how much protection you need, and how easy it is to apply. Understanding the main features of grout sealers will help you make a choice that fits your needs and keeps your tiles in great shape.

Type of Sealer

The type of grout sealer refers to how the product works and what it is made for. There are two main types: penetrating (or impregnating) sealers and membrane-forming (or surface) sealers. Penetrating sealers soak into the grout and protect it from within, making them great for areas exposed to water, like showers or kitchens. Membrane-forming sealers create a layer on top of the grout, which can be good for dry areas but may peel or trap moisture in wet places. To choose the right type, think about where your tiles are and how much water or dirt they’ll face.

Finish (Appearance)

The finish of a grout sealer affects how your grout will look after sealing. Some sealers leave a natural, invisible finish, while others can add a glossy or shiny look. If you want your grout to look the same as before, go for a natural or matte finish. If you like a bit of shine or want to highlight the grout lines, a glossy finish might be better. Your choice should depend on your style preference and whether you want the grout to stand out or blend in.

Water and Stain Resistance

This spec tells you how well the sealer protects grout from water, spills, and stains. Higher resistance means better protection, especially in places like bathrooms, kitchens, or entryways where spills and moisture are common. Some sealers are specially made to resist oil-based stains, which is useful in kitchens. If your grout is in a high-traffic or wet area, look for a sealer with strong water and stain resistance to keep it looking clean longer.

Drying and Curing Time

Drying time is how long it takes for the sealer to be touch-dry, while curing time is how long before the grout is fully protected and can be exposed to water or heavy use. Some sealers dry quickly, letting you use the area sooner, while others need more time to cure for full protection. If you need to use the space soon after sealing, look for a product with a short drying and curing time. For less-used areas, a longer curing time might not be a problem.

Ease of Application

This refers to how simple it is to apply the sealer. Some products come in spray bottles, while others need to be brushed or rolled on. Sprays are usually easier and faster for large areas, but brushes or applicator bottles can give you more control for small or detailed spaces. If you’re new to sealing grout or have a lot of area to cover, pick a sealer that’s easy to apply and comes with clear instructions.

Longevity (Reapplication Frequency)

Longevity is about how long the sealer will last before you need to apply it again. Some sealers protect grout for just a year, while others can last several years. If you want less maintenance, look for a long-lasting sealer. However, if you don’t mind resealing more often, a shorter-lasting product might be fine, especially if it’s easier to apply.

Safety and Odor

Some grout sealers have strong smells or contain chemicals that require good ventilation during use. Others are low-odor and safer for indoor use, especially if you have kids or pets. If you’re sensitive to smells or working in a small, closed space, choose a low-odor, non-toxic sealer for a more comfortable experience.

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