Protecting your Structures from Mold and Concrete Cancers

Published 16 Feb 2016

2 mins read

Updated 20th August 2019

Concrete waterproofing is vital to protecting building integrity. Costly repairs and public safety hazards can be avoided by ensuring that concrete is properly protected from the elements.  Water damage can affect the structural integrity, survivability, livability, and aesthetics of concrete structures.

Signs that your concrete may be compromised:

Mold
It is important public safety to protect concrete from molds, which can grow in damp areas of concrete that are unprotected from waterproofing.

This is a concern in areas that are frequently visited by people or animals, as mold spores represent a very serious health concern and can pose a danger to nearby residents, especially those with asthma or allergies.

Concrete cancer
Concrete structures often have embedded reinforcements to improve structural integrity called rebars (reinforcing bars). If concrete is not properly waterproofed, rebars can be compromised by seeping water. Rebars can react to water, forcing them to expand and break apart concrete from within.  It can sometimes be impossible to diagnose this issue before it is too late.

Concrete cancers should be your number one concern with any project that requires load-bearing or tensile tested structures including but is not limited to; walls, rooftops, retaining walls and balconies.

Signs of concrete cancer include:
Spalling – Spalling occurs when concrete chips away, the main symptom is flaking concrete from the affected area and the presence of red rust. At this point is possible that the concrete has suffered ‘carbonation’, this is the reaction between the concrete and carbon dioxide in the air allowing water to seep in. Certain cases of spalling can be remedied with concrete waterproofing if they are caught in time.

Cracks/Deformities –  If your concrete has begun to warp or crack it is possible that water has seeped in through unnoticed areas that have been neglected or improperly waterproofed. It may not be possible to remedy the situation without replacing the area affected and ensuring that the replacements are properly waterproofed.

Titan Waterproofing offers a variety of methods of waterproofing from; torch on sheet membranes, liquid membranes, joint sealing and epoxy coatings. When it comes to large or small scale concrete structures, the best cure for water damage will always be prevention.

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