Types of Concrete Floor Sealer – How They Differ
Monday, April 11th, 2011Whether you are finishing a basement or a garage floor, applying a sealer on the surface will not only add aesthetic value to it, but also protect it from factors that will cause damage and other imperfections. Applying it over a new or old concrete will give many benefits and advantages. It will not only enhance and protect the flooring. Sealers are practical option of increasing the value of any area it is intended to be applied. It is a convenient choice for many industries and even residential units because it requires only a very little maintenance.
There are different types of concrete sealer. All of them serve the same function and that is to protect floors against stains, chemicals and abrasions. They differ in formulations, applications, quality of finish and performance. These coatings will exhibit their full capacity of protecting your floor when applied correctly at appropriate areas. Sealers like urethanes and acrylics ban be applied in both interior and exterior surfaces, while epoxy flooring is only limited to areas where there is no presence of UV rays.
Type of Finish
- Penetrating sealers (silanes, siloxanes, silicates) provide an invisible protection without altering the appearance of the surface. It does not leave shine, but natural matte finish instead.
- Urethane sealers provide a finish that is translucent and non-yellowing. Different levels of sheen are available that can enhance the beauty of colored or stamped concrete.
- Acrylic sealers provide a smooth finish that is quick to dry, but wears faster after 2 years or so. The degree of sheen it will show depends on how many coatings are applied.
- Epoxy sealers impart a glossy finish that can be either clear or pigmented.
Applications and Performance
Concrete sealers are available in water-based or solvent-based formulations. Penetrating, acrylic and polyurethanes can be applied over an interior or exterior concrete surface while the use of epoxy is limited only indoors because it turns yellowish with UV exposure. Applying these sealers will provide your floor durability and resistance against abrasions, chloride intrusion and water penetration.
The type of sealer and the amount to be applied will depend on the exposure that the floor is getting. Although they may differ in characteristics, formulations and prices, concrete sealers are used for the same purpose. It adds aesthetic value to any dull concrete and provides a long-term protection to it. Therefore, the need to seal your floor should not be taken for granted. With that, you will have several years of enjoying its useful service.