3 Reasons Why You Should Use Waterproof Paint For Cement Board

One of the first steps to waterproofing your house after construction is applying waterproof paint on the cement boards. In this article, we will discuss three reasons why you should use waterproof paint for cement board.

Works Against Cracks

It is essential to waterproof your house after construction, especially on cement boards. Cement boards have a high porosity level, which can lead to water seepage and mold growth through cracks in sealants. Waterproof paint ensures no cracks by sealing the gaps between the cement boards with epoxy-based acrylic.

Protects Against Chalking And Fading

Paint will inevitably have color fade, but waterproof paints are designed to resist chalking. Chalking occurs when the water evaporates and leaves behind a white powdery residue on the paint’s surface. A waterproof sealant ensures that this does not happen by preventing water from getting into contact with the cement board.


There are two ways waterproof paint is more cost-effective than ordinary paints. First, waterproof paints can be used to seal seams and joints on cement boards that would otherwise need caulking or silicone sealant for protection against water seepage. Second, waterproof paints take less time to dry, which means they require fewer coats of paint.

Waterproof paint for cement boards is suitable for use on both interior and exterior walls, as well as ceilings. Waterproofing is vital because it prevents water from getting behind the plasterboard.

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