This technical report discusses the implementation of Roxtec cable entry seals in the construction of Project Q, a data center in Queretaro, Mexico. The report outlines the challenges faced by Santander Global Facilities México in routing multiple cables and pipes through a 45 cm thick perimeter wall while maintaining wall integrity. It details the specifications provided by construction coordinator DIINESA, who selected Roxtec seals for their ability to accommodate power and fiber optic cables, as well as various pipe materials. The report emphasizes the importance of high safety standards, noting the use of special concrete and waterproofing solutions to ensure impermeability. Customized steel structures were developed to hold the Roxtec transits in place, allowing for future upgrades without compromising the wall's integrity. The report concludes with the advantages of using Roxtec solutions, including certified protection, flexibility for different sizes, and built-in spare capacity for future needs.