Solutions for Dissimilar Substrate Corrosion - June 2014
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Corrosion will eventually win.  No matter what we do to combat it, it will eventually find a way to ruin our equipment and our infrastructure.

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We just think using Belzona will ward it off for a longer period of time than any other solutions we’ve looked at.  In some cases, we’ve pushed it off for 30 years.

As I drive down our new highways, admiring all the work that goes into these projects, I am a bit disappointed about the cracking of the parapet walls on the bridges.  I think (but am not certain) that the cracking of the coating and the concrete is due to the dis-similar substrate corrosion from mounting the steel fence posts into the concrete without using some type of conditioner on the steel posts.

I would apply Belzona 4911 (TX Conditioner) to the steel posts before they were cast into the concrete and then use a breathable coating on the parapet walls so the structure can breathe.  We have two options for this.  BMS Clear Cladding and Belzona 3111 (Flexible Membrane).  Both allow water vapor to escape the curing concrete (even after 28 days, concrete is still curing and the water vapor has to have a way out) while keeping rainwater and the elements from penetrating said substrate.  And, if any concrete needs rebuilt, we have Belzona 4111 (Magma Quartz) that is easy to use.

Tell us, how can we help you repair, protect and improve your billion dollar projects?


Stephanie Rumford
srumford@rumfordgroup.com
937-435-4650
RumfordGroup.com


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