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What are Concrete Sealers and How Effective are They?

in Building & Construction

Table of Contents

  • Penetrating concrete sealers
  • Acrylic concrete sealers
  • Polyurethane concrete sealers

Concrete sealers are chemical compounds that are applied in liquid form to protect concrete

from staining, surface damage, corrosion, de-icing salts, and oil stains.

When applied concrete sealers do not alter the appearance of the concrete surface they are

applied upon. Therefore, concrete sealers help to preserve the appearance of a concrete

surface.

Concrete sealers also help to prevent the absorption of moisture when applied on exposed

concrete surfaces and help to resist the penetration of oil stains and other stains. Also, concrete

sealers help to extend the longevity of a concrete floor or a bare concrete surface.

Concrete sealers are very essential due to the nature of concrete especially, exposed concrete

structures like bridges, piers, beams, and many others which come in contact with attacks from

different types of physical factors and chemical compounds on a daily basis.

 

These physical factors and chemical compounds often lead to the rapid deterioration of the

exposed concrete structure. Similarly, some chemical compounds used for maintaining exposed

concrete structures may destroy the durability of concrete in the long term.

 

Physical factors that often affect the durability of concrete include the continuous freezing and

melting of ice on bare concrete structures in cold regions. Similarly, chemicals like de-icer and

anti-icer chemical compounds can seriously affect the longevity and durability of bare concrete

structures because of the surface scaling and internal frost damage due to the absorption of

these chemical compounds.

 

The effectiveness of a concrete sealer is dependent on the type of concrete sealer that is

chosen when a bare or exposed concrete surface is to be sealed. Also, you must keep in mind

the function of the concrete surface to be sealed and the location of the exposed concrete

structure. For example, bare concrete surfaces in a cold region will require a different concrete

sealer, in comparison to exposed concrete in humid regions. Also, indoor concrete structures

will require a different type of concrete sealer to outdoor concrete surfaces.

 

These factors must be carefully considered when selecting an appropriate concrete sealer for a

specific project. There are different types of concrete sealers in the market for you to select

from, they include:

Penetrating concrete sealers

This type of concrete sealer penetrates the surface of bare concrete structures and seal off the

pore spaces in exposed concrete. Penetrating concrete sealers are made up of chemical

compounds like siliconates, silanes, silicates, and siloxane.

This type of concrete sealer is very effective against de-icing salts and oil stains. Similarly, this

concrete sealer is effective against freezing and melting of ice in cold regions, without altering

the appearance of the exposed concrete surface.

Acrylic concrete sealers

This type of sealer prevents moisture from penetrating bare concrete by forming a protective

film layer on top of the concrete surface it is applied. This concrete sealer does not penetrate

the pore of concrete, it simply creates a barrier that prevents the penetration of moisture.

Acrylic concrete is produced as either water-based sealers or solvent-based sealers and is

suitable for outdoor and indoor applications.

Polyurethane concrete sealers

This type of concrete sealer is similar to acrylic concrete sealers. This concrete sealer is

produced as either water-based sealers or solvent-based sealers and is suitable for outdoor and

indoor applications. However, unlike the acrylic concrete sealer, polyurethanes are much

thicker and can be applied on high traffic areas. Similarly, you can apply them in areas where

there are likely stains on the concrete. However, polyurethanes do not allow the outward

movement of water vapor from concrete and should not be applied to a wet concrete surface.

Lana Rose

Lana Rose

Hello You! My name is Lana Rose and I'm a 26-year-old independent blogger with a passion for sharing about home décor.

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  • Home
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    • Power & Hand Tools
      • Saws
  • Large Appliance
    • American Fridge Freezer
    • HVAC
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    • Mowers & Outdoor Power Tools
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© 2019 House Affection - Made with ❤️ by House Affection Team