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How Long Does Waterproofing Last?

Anyone who has experienced issues with poorly executed waterproofing often wonders how long it should last. The answer is simple: a high-quality waterproofing job performed by a professional company using premium products, such as those we offer under the Sika brand, should last a very long time.


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When undertaking a waterproofing project, one of the most critical factors to consider is its durability. However, it’s essential to note that the lifespan of waterproofing can vary significantly, especially if it hasn’t been executed properly. In many cases, waterproofing fails to last as long as it should due to various factors, such as lack of expertise or the use of low-quality materials.

Factors Affecting the Durability of Waterproofing

  1. Lack of Experience and Training
    In some cases, the professionals responsible for the waterproofing lack the necessary technical knowledge or sufficient experience. This can lead to errors during application, such as improper surface preparation or incorrect distribution of waterproofing products. A poor understanding of appropriate techniques and materials can drastically reduce the lifespan of waterproofing.
  2. Use of Low-Quality Materials
    Another critical factor is the quality of the materials used. Some professionals, aiming to increase profits, opt for cheap and low-quality products. This compromises the waterproofing’s effectiveness, as inexpensive materials tend to be less durable and resistant, leading to a higher risk of leaks and structural damage in the short term.

The Importance of Hiring Expert Professionals

Hiring specialized waterproofing professionals is essential to ensure high-quality results. An experienced and knowledgeable team will know how to select the best materials and application techniques to maximize durability. Additionally, they will be familiar with leading market brands like Sika, which offer products with proven quality and resilience.

How Long Does Proper Waterproofing Last?

When waterproofing is carried out correctly using high-quality materials and applied by experts, its lifespan can be remarkably long. Depending on the type of material and the climatic conditions the structure is exposed to, a well-executed waterproofing job can last anywhere from 10 to 20 years or even longer. However, it’s important to consider that this estimate depends on several factors, such as the severity of weather conditions and the type of surface being waterproofed.

Maintenance and Regular Inspections

Even though high-quality waterproofing has significant durability, it is not exempt from requiring maintenance. Roofs and facades are constantly exposed to the elements, which can impact waterproofing over time. For this reason, it’s essential to conduct regular inspections to assess the condition of the surface and detect any potential damage or wear.