Cooling towers at a processing facility had severe damage from corrosion. It was wondered whether structural integrity could be maintained while avoiding the cost of total replacement. Loose concrete was removed with jet blasting, and VpCI®-423 was used to remove heavy rust on rebar. MCI®-2023 was applied immediately to protect cleaned rebar. MCI®-2038 and MCI®-2039 were then used to repair concrete and restore structural integrity. Structurally sound areas that did not require concrete repair were treated with MCI®– 2020 surface applied corrosion inhibitor designed to migrate and protect the steel beneath the concrete. Using this process, the contractor was able to restore the structure’s integrity and aesthetics at a substantial cost savings to the owner.

Keywords: cooling tower restoration, case history spotlight, severe damage from corrosion, cost savings, concrete repair, MCI, SACI, surface applied corrosion inhibitor, VpCI, remove rust

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Most of the concrete work was already done when a project in Saudi Arabia hit construction delays. This posed the problem of rusted rebar in concrete, as many rebars on in-fill beams and expansion joints were left exposed in a corrosive environment. Cortec® Middle East recommended treating preexisting rebar corrosion with CorrVerter® MCI® Rust Primer and applying MCI® CorShield® on all other exposed rebar for outdoor corrosion protection. These products provided an economical solution and satisfied the requirements of all involved.

To read the full case history, please visit: https://www.corteccasehistories.com/?s2member_file_download=access-s2member-level1/ch694.pdf

Keywords: rebar protection, construction delays, exposed rebar, rusted rebar, corrosion protection, case history spotlight, Cortec, MCI, rusted rebar in concrete, rebar corrosion

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August 23, 2022

A golf course owner wanted to clean up significant hydrocarbon oil stains on an outdoor concrete pad used to park equipment and machinery. MCI®-2061 concentrate was applied and brushed into the concrete. Water was used to activate microorganisms, and the “green” cleaning product was left overnight to allow biodegradation to occur. Treated areas were rinsed with water the next day. The customer was extremely happy with the results and the fact that MCI®-2061 was so easy to use as an alternative to blast cleaning.

To read the full case history, please visit: https://www.corteccasehistories.com/?s2member_file_download=access-s2member-level1/ch697.pdf

Keywords: concrete oil stain cleanup, case history spotlight, Cortec, MCI, alternative to blast cleaning, green cleaning products, oil stain cleanup, concrete cleanup, From Grey to Green

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As part of a balcony repair project, a condominium complex in Cincinnati needed overhead patching and caulking followed by a sealer. Cortec® MCI®-2019 was chosen for the latter as a two-in-one Migrating Corrosion Inhibitor™ / water repellent that could be applied in one step. The condominium owner ultimately expressed satisfaction with the application and performance of MCI®-2019 during the project.
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Keywords: balcony repair, corrosion inhibitor, water repellent, MCI-2019, Migrating Corrosion Inhibitors, Cortec, condominium repair

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August 10, 2022

In 1999, the Plankinton Avenue parking ramp in downtown Milwaukee was deteriorating and rebar had rusted in the concrete due to deicing salt. The city wanted an economical way to renovate and protect the ramp with minimal downtime while using the best products and procedures on this valuable source of revenue. The renovation contractor applied MCI®-2020 to the concrete decks as an important part of the concrete repair system to extend structural service life and reduce maintenance by forming a corrosion inhibitor barrier on steel reinforcement.

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Keywords: rusted rebar in concrete, parking ramp preservation, deicing salt rust, concrete renovation, Cortec MCI, From Grey to Green, MCI-2020, concrete repair, corrosion inhibitor

A processing facility faced the question of whether they could save the structural integrity of deteriorating, corrosion-damaged concrete cooling towers instead of replacing them at significant cost. The question was answered with an MCI® concrete repair. First, loose concrete was jet blasted off. Heavy corrosion was removed from rebar using VpCI®-423. MCI®-2023 was immediately applied to clean rebar for protection. MCI®-2038 and MCI®-2039 were used to repair concrete and restore structural integrity. Areas that did not need to be repaired were sprayed with MCI®-2020 to migrate and protect underlying steel from corrosion. The work restored the structural integrity and appearance of the concrete cooling towers at a significant cost savings compared to replacement.

To read the full case history, please visit: https://www.corteccasehistories.com/?s2member_file_download=access-s2member-level1/ch062.pdf

Keywords: cooling tower restoration, corrosion damaged concrete, concrete cooling towers, MCI, concrete repair, MCI-2020, structural integrity, cost
savings, rebar corrosion, corrosion removal

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