How often should you Reseal your Concrete Floor?

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How often for regular, unpolished concrete?

Unpolished concrete floors should be resealed every 2 to 5 years, depending on wear and exposure. High-traffic areas, like warehouses, garages, and outdoor patios, may need sealing more frequently (every 2-3 years), while low-traffic indoor areas can go closer to 5 years. If the surface starts to show signs of staining, water absorption, or dusting, it’s a clear indication that resealing is needed.

What about for polished concrete?

Polished concrete, unlike unpolished surfaces, doesn’t require sealing in the traditional sense, but applying a protective sealer or burnishing treatment every 3 to 5 years can enhance longevity. If the floor starts losing its shine, appears dull, or absorbs spills more easily, it may be time for reapplication of a protective guard or a light repolishing process. Proper regular cleaning and using pH-neutral cleaners can help extend the time between treatments.

Signs That Your Concrete Floor Needs Resealing

One of the first signs to look for is water absorption, if water no longer beads up on the surface and instead soaks in, the sealer has likely worn off, leaving the concrete vulnerable to stains and moisture damage. Fading or discolouration, especially in busier areas, is another clear indication that the protective layer is deteriorating.

For unpolished concrete, increased dusting or surface wear suggests that the concrete is becoming more porous and in need of a fresh seal. Polished concrete floors show signs of wear differently, often appearing dull or losing their shine over time. If the floor no longer reflects light as it used to, or if spills and moisture start absorbing into the surface rather than sitting on top, it may be time for reapplication of a protective guard or a light repolishing.

Concrete driveway floor with heat damage.
Concrete driveway floor with heat damage.

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