Mold Sealer

  • Tanya Schifone
  • March 16, 2012 12:56 pm

Mold can be found on interior concrete and on exterior concrete. Regardless of where the mold is located, it is caused from the same thing – moisture. Stop the moisture, you stop the mold. Mold can’t grow without moisture.

Interior Mold

Let’s use basement mold as an example. Mold needs moisture to grow, without moisture, mold can’t grow. Moisture enters the walls and/or floors of the basement through the pores of the concrete. The moisture comes from the soil surrounding the basement and is pushed into the basement by hydrostatic pressure. The Foundation Armor concrete sealer penetrates into the concrete and reacts with the free calcium and lime naturally found in concrete. This reaction forms a crystalline structure within the pores of the concrete. This permanent structure fills in the pores. When you block the pores you stop the water. You stop the water and moisture, you stop the mold.

Exterior Mold

Like interior mold, moisture needs to be present for mold to grow. Concrete becomes moist because the pores of the concrete fill up with water – the concrete can actually absorb water and other liquids. The Foundation Armor concrete sealer penetrates into the concrete and reacts with the free calcium and lime naturally found in concrete. This reaction forms a crystalline structure within the pores of the concrete. This permanent structure fills in the pores – water can’t be absorbed into the concrete and water can’t be pushed up from the ground through the concrete. Stop the water, stop the mold.


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