Sonny Yoon

Sonny is a Building Science Engineer with a specialization in façade engineering. His expertise includes a wide variety of fenestration and façade systems, including window wall, curtainwall, and a wide range of cladding arrangements. Sonny particularly enjoys working with and developing façade designs to optimize the cost and performance to meet the project needs. This product development work includes assisting both domestic and offshore manufacturers and suppliers.

Sonny’s typical responsibilities include enclosure design and specification review, submittal review, quality assurance review at manufacturing facilities, and performance mock-up install and testing review. Sonny reviews all building enclosure-related assemblies on sites, such as below-grade walls, above-grade walls, window walls, curtain walls, and roofing assemblies and leads filed testing.

In addition to new construction projects, Sonny has a wide range of experience working on existing buildings. His involvement includes documenting original building enclosure conditions, determining water leakage paths, typically including field water testing, and collecting evidence for expert opinion reports.