The requirement for sealing or waterproofing the brick used on the exterior depends on various factors such as the type of brick, the climate conditions, and the specific construction methods used.
Traditional fired clay bricks are inherently durable and resistant to water penetration. In most cases, these bricks do not require regular sealing or waterproofing. However, if the brickwork is exposed to excessive moisture from heavy rain, high humidity, or prolonged exposure to water, it may be beneficial to apply a sealer or waterproofing product to protect the bricks from potential damage.
On the other hand, if the exterior brick is made of more porous or absorbent materials such as certain types of natural stone or manufactured bricks, it is recommended to seal or waterproof them to prevent water absorption and potential damage caused by freezing and thawing cycles, mold or mildew growth, efflorescence, or staining.
In summary, while many brick types do not require regular sealing or waterproofing, it is essential to consider the specific characteristics of the bricks, the prevailing weather conditions, and consult with professionals or follow manufacturer's recommendations to determine whether sealing or waterproofing is necessary for your particular situation.
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