Getting to know the types of concrete sealers

In this article, we discuss the topic of getting to know the types of concrete sealers. To buy and know the price of super lubricant, tile adhesive, anti-acid mortar, rebar planting adhesive, concrete restorer, epoxy and antifreeze grout, etc., you can contact Shimi Abadgaran company.

Film-forming and permeable sealers

To keep decorative or even plain concrete looking attractive for a long time, we strongly recommend sealing with a high-quality concrete sealer. After sealing, the concrete is protected against dirt to prevent any kind of staining and reduced wear. Sealing is especially important for industrial and commercial spaces that have a lot of traffic because it guarantees that the surface can be easily maintained for a long time and have a good shape.

There are two common types of sealants to choose from – film forming and penetration, each with their own distinct advantages and each suitable for different applications.

There are two common types of sealants to choose from – film forming and penetration, each with their own distinct advantages and each suitable for different applications.

Film-forming sealers, also known as surface coating or topical sealers, cover the entire surface. The sealer adheres to the pores of the concrete and sits on top of the surface, creating a protective layer. They offer excellent protection against moisture and leaks, are very durable and easy to maintain and reuse. There are three types of film forming sealers, each designed for a specific purpose as outlined below.

• Acrylic sealants

Acrylic sealants are commonly used for general protection against dirt and grime in both interior and exterior applications. They form a thin protective layer on the concrete surface. Acrylic sealants are easy and quick to apply and are usually a more economical option, but due to the thin protective layer they have, they can wear more easily and require recoating. Available in both water-based and solvent-based formulations, they also come in various gloss levels to enhance surface color, stamped patterns or exposed aggregates.

• Polyurethane sealers

Polyurethane sealants provide a durable, non-yellowing protective layer for interior and exterior applications. They are a versatile sealer that can achieve different gloss levels and can also be painted. Commonly used in high traffic areas, it also provides good protection against chemicals and abrasives. Polyurethane sealers are available in both water and solvent-based formulations to suit different environments such as shopping centers.

• Epoxy sealers

Epoxy sealants are ideal for interior applications where durable, long-lasting surface protection is required. There is a wide range of epoxy sealants, each with its own list of benefits. For example, some areas such as shopping malls have faster drying times or can have higher strength for industrial and commercial areas such as parking lots. The finish is glossy, but if a natural and matte finish is needed, a matte additive can be added to it. Epoxy sealants can also be colored.

In summary, some of the benefits of using a film-forming sealer on concrete are:

• Increase the color of your surface
• Preventing the penetration of pollutants to the surface
• Protecting the surface from damage and ease of cleaning and maintenance
• Protection against environmental factors
• A collection of products suitable for countless applications

Penetration sealers

Penetrating sealers maintain a natural appearance while protecting the concrete surface from water, stains and contaminants. These sealers penetrate into the concrete capillaries to create a long-term and durable protective barrier against the penetration of pollutants and salts in water. Penetrating sealants are often used in interior and exterior applications for concrete, porous natural stone, and concrete pavers.

There are a number of penetrating sealers available, all of which are designed for specific purposes, such as:

• all purpose

Ideal for use in large commercial or industrial concrete areas to provide a good level of protection against general dirt and spillage

• Enhance the color of the substrate

An excellent choice where there is a need to showcase the color of the concrete while protecting against a range of contaminants and stains.

• Stain blocking

Designed for public areas, outdoor dining spaces and food service areas where oil and stain resistance against food and beverage spills is required.

• Industrial protection

Providing 3-way protection for industrial concrete substrates to prevent and help prevent dust, wear and staining from oils and greases.

Considerations and frequently asked questions for concrete sealing

• Can you seal new concrete immediately?

Sealer should only be applied after the freshly laid concrete has cured for 28 days.

• Can you seal old or existing concrete?

You can seal existing concrete at any time and in many cases. Sealing old concrete can help restore its appearance.

• How often should you reseal your concrete?

It depends on the type of sealer and the level of use of the area. The lifespan of the sealer is between 1-10 years.

• Does sealing concrete change its appearance?

It depends on the sealer chosen – film forming sealers tend to enhance color and add gloss. While penetrating sealers provide a natural matte finish. It is possible to use colored sealer – this ensures the change of the existing color of the concrete.

Read more: Epoxy rebar planting glue

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