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What is Floor Sealant?

Floor sealant is a protective coating applied to flooring materials to shield them from damage, stains, and wear. It acts as a barrier, enhancing durability and often adding a lustrous finish. Whether for hardwood, tile, or concrete, the right sealant can significantly extend your floor's life. Curious about the best sealant for your home? Let's explore your options together.
J. Airman
J. Airman

Floor sealant is a protective coating applied to a variety of flooring surfaces. Sealants are generally made from a variety of plastic polymers and adhesives that form a strong bond with each other and the hard floor. The life expectancy of a horizontal surface can be effectively increased with a layer or two of floor sealant. Paint rollers, squeegees, and pressure sprayers are often used to spread the floor sealant evenly over the surface. Liquid sealant is left to dry on the floor to create a barrier against moisture, stains, and signs of wear.

A flooring surface must be thoroughly cleaned prior to sealing so any debris that may reduce cohesion is removed. Wood and natural stone floor sealants are usually designed to seep below the surface of the porous natural material to form a strong bond. Floor sealant sticks only to the top surface and itself on non-porous flooring materials. The fully cured floor sealant prevents water from entering or leaving the flooring material to stabilize its moisture content. Sealed floor surfaces exposed to outdoor elements typically require resealing annually or biannually.

Many floor sealants also contain suitable waterproofing ingredients.
Many floor sealants also contain suitable waterproofing ingredients.

Epoxy floor sealant is an ultra-durable flooring protection often used on cement flooring. Most epoxy sealants are able to resist engine oil and other automotive fluids, which makes this type of sealant an ideal garage floor cover. An activating chemical is included with most epoxy sealants to start the curing process. Some epoxy floor sealants come with small pieces of plastic confetti intended to texturize the coated surface. The plastic confetti is sprinkled evenly over the drying epoxy so it stays in place and increases traction.

Sealants are made from plastic polymers that form a strong bond with a hard floor.
Sealants are made from plastic polymers that form a strong bond with a hard floor.

The many floor sealant options allow for expressions of personal style that can complement the decor of a room. Sealants can be purchased in clear, tinted, and opaque tones. Clear floor sealants allow the original color and texture of the flooring surface to show through. Tinted and opaque color choices alter the look of the flooring to match other colors in the surrounding space. A combination of colored and clear floor sealants can be used to create a colorful look with a clear glossy finish.

Floors should be thoroughly cleaned before sealant is applied.
Floors should be thoroughly cleaned before sealant is applied.

Sealants are available for all types of flooring at home improvement and hardware stores. Most sealant packages list an estimated coverage area in square feet. Floor sealant is ordinarily applied a few inches up the base of the adjacent walls. Coating part of the wall with sealant helps to prevent marks from shoe soles.

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    • Many floor sealants also contain suitable waterproofing ingredients.
      By: red2000
      Many floor sealants also contain suitable waterproofing ingredients.
    • Sealants are made from plastic polymers that form a strong bond with a hard floor.
      By: Aleš Nowák
      Sealants are made from plastic polymers that form a strong bond with a hard floor.
    • Floors should be thoroughly cleaned before sealant is applied.
      By: csimagemakers
      Floors should be thoroughly cleaned before sealant is applied.
    • Natural stone flooring materials are somewhat porous and must be periodically coated with a sealer.
      By: mimadeo
      Natural stone flooring materials are somewhat porous and must be periodically coated with a sealer.
    • Sanding is sometimes required before sealant is applied.
      By: csimagemakers
      Sanding is sometimes required before sealant is applied.
    • Epoxy floor sealant is commonly used on cement flooring.
      By: Lilyana Vynogradova
      Epoxy floor sealant is commonly used on cement flooring.