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Expansion Joint Injection at Pearson Airport Terminal 1 Departures

Throughout the latter part of 2023, a series of expansion joint injection projects were done at both Terminal 1 and Terminal 3, including one project that required replacement of tiles that ran along one floor expansion joint. Last week, we were called back for more joint injection projects, this time in the Terminal 1 Departures area, including a double joint near one of the escalators.

Durable Expansion Joint Repair

A proven injection method was followed again, to ensure excellent results. It all begins with surface preparation: the joint is cleaned out to ensure there is no debris that would prevent proper adhesion. It is then coated with an industrial-strength adhesive, and a backer rod inserted (the fit must be tight, so that the injected material stays in place). Finally, the floor expansion joint is injected with a polyurea-based membrane.

Benefits of Polyurea Applications

Polyurea membranes offer a multitude of benefits, making them a versatile and highly effective solution in various industries. One key advantage is the rapid curing time of polyurea, ensuring quick and efficient application, reducing downtime significantly. Its exceptional flexibility allows it to withstand temperature variations and structural movements without compromising its integrity. The robust adhesion properties of polyurea result in a strong bond with different substrates, creating a seamless and watertight seal that effectively prevents moisture infiltration. Notably durable, polyurea is resistant to chemicals, abrasion, and UV radiation, contributing to its longevity and suitability for diverse environmental conditions. Whether used in coatings, joint fillings, or waterproofing applications, polyurea stands out as a reliable and enduring choice, offering unmatched protection and performance over time.

Find out more about how we do expansion joint injection waterprooving by visiting this page:

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