After having completed a series of successful cable conduit waterproofing projects for one of the largest fiber-optic internet companies, we were contacted to do the same at a high-rise building on King Street W in Toronto. Leaks had appeared in the building's parking garage following the installation of an internet cable conduit.
Following our proven approach to this type of repair, correct surface preparation is key to successful waterproofing, to ensure sufficient adhesion. Once cleaned, the concrete surface around the pipes was sealed with hydraulic cement followed by a layer of a polyurea-based waterproofing membrane and a fiberglass sheet. Once adhered, this fiberglass layer was coated with a waterproofing material, to ensure an optimal outcome. For even more protection, part of each pipe was coated with polyurea as well.
The use of polyurea-based materials plays a significant role in attaining excellent waterproofing results. These membranes are created by mixing two components, isocyanate and amine, to create a strong substance which is excellent at keeping out water because of its unique structure. It can easily cover surfaces that are straight, curved, or have complex shapes, providing a seamless installation. If used in a spray-on application, polyurea can cover large areas quickly making it an ideal choice for flat roofs or industrial floors. It is highly resistant to the weather elements, mechanical intrusions, and chemical fallout. Furthermore, it is considered to be a green membrane because of its 100% solids formula that can be fully recycled.
Learn more about the benefits of polyurea by visiting this page: https://www.jointsealwaterproofing.com/polyurea-membranes.