What’s eating your parkade?

2019-01-28T19:23:23+00:00January 28th, 2019|

As strong as concrete and steel are, they are no match for the power of moisture and salts. Over time your parkade’s durability is impacted greatly by the effectiveness of the waterproofing system used to protect it against moisture and salt. Eventually the corrosion and deterioration can lead to major structural damage. You may even have a future parkade collapse on your hands.

There are some tell-all signs that you should be keeping an eye on:

  1. Surface Cracks – cracks are the gateway for water and salts to seep into your parkade’s structure which impacts the concrete and rebar.
  2. Efflorescence – look for a chalky, salt-like substance on the surface. It occurs due to water pushing through the walls, collecting minerals inside the concrete which then evaporate on the surface leaving the minerals visible.
  3. Fractures – impact loads can cause spalling of the concrete. These concrete chunks are a few inches across and at least an inch deep. Spalling can also be caused by freeze-thaw cycles or poor mix quality from the original concrete pour.

It’s never too late…your parkade may be showing some serious signs of deterioration but being proactive and getting proper waterproofing systems, as well as restorative work and ongoing maintenance can prolong the life of your parkade. Possible solutions may include traffic deck coatings, sealants, foundation waterproofing and French drains. There is no such thing as a cookie-cutter solution – you need expertise on your side to understand what is really happening with your parkade, so the proper diagnosis can be provided.

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