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A Guide to Indoor Concrete Sealing by Auseal: Preparation, Application, and Curing

25 August 2023

Expert indoor concrete sealing guide by Auseal: Prep, apply, and cure for optimal results. Elevate your space with our proven techniques. Call (03) 8787 8388.

Indoor concrete sealing involves the application of a protective coating or sealer to the surface of interior concrete floors, walls, or other structures.

The main purpose of conducting this process is to enhance the durability, longevity, and appearance of the concrete. It is also intended to protect the concrete surface against stains, moisture penetration, abrasion, and other forms of damage.

Benefits of Indoor Concrete Sealing

Many benefits can be expected when conducting indoor concrete sealing on your property.

One of the benefits of indoor concrete sealing is it can protect your concrete surface against stains. Sealing prevents liquids, oils, and other substances from infiltrating the concrete and causing stains. This process can then make the surface easier to clean and maintain. You can already clean the sealed concrete surface by regular mopping or sweeping.

Aside from protection against stains, indoor concrete sealing can also provide moisture resistance to the concrete. Basements, garages, and bathrooms often feature concrete surfaces. And since they may be filled with moisture, the surfaces should be sealed to reduce moisture penetration and prevent issues like mould build-up and concrete deterioration. Other forms of damage that sealing can prevent are wear and tear, abrasion, and impact.

Appearance can also be improved with indoor concrete sealing. Sealing enhances the aesthetic appeal of indoor concrete surfaces by bringing out their natural colours, adding a subtle matte or sheen finish, and highlighting the patterns and texture of the concrete.

Conducting Indoor Concrete Sealing

Different steps are involved in indoor concrete sealing. Some of these steps are as follows.

• Surface Preparation: The first step in indoor concrete sealing is surface preparation. It is further divided into three phases: surface cleaning, damage repair, and surface etching. The first phase involves cleaning the concrete surface to remove any contaminants by wiping it with a stiff brush or broom that is soaked in a mild detergent or concrete cleaner. Any cracks, spalling, or other damage must then be repaired through concrete patching compound or filler. If the concrete surface is smooth and non-porous, it should be etched to promote adhesion of the concrete sealing.

• Sealer Selection: The next step is to select the sealer. Various types of concrete sealers are available today. Some of them include acrylic, epoxy, polyurethane, and penetrating sealers. Consider the level of foot traffic, exposure to chemicals, and desired finish of your indoor concrete surface to select the most suitable sealer.

• Sealer Application: The third step in indoor concrete sealing is to apply the sealer. You must carefully read and follow the instructions from the manual for the chosen sealer. Next, you should apply the sealer across the concrete surface by using a brush, roller, or sprayer. You must only apply thin and even coats so they can dry quickly. Once dry, another layer or coat of concrete sealing must be applied.

• Curing and Upkeep:Two things that should be done after applying the sealer are curing and maintenance. After applying the final coat of sealer, you must allow sufficient curing time before using the concrete surface. The effectiveness of your sealed concrete surface can then be enhanced if it will be maintained regularly. Maintenance can be done by using a mild cleaner and avoiding harsh chemicals. A maintenance coat of sealer can also be reapplied to retain the effectiveness of the sealed concrete surface.

Indoor concrete sealing provides long-lasting protection and enhances the appearance of concrete surfaces in residential, commercial, and industrial settings. Followingthese steps, as well as obtaining concrete sealers from a reputable supplier, can help you achieve a beautifully sealed indoor concrete surface that lasts for a long time.

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