During this challenging time, we are thankful to be hard at work. Many of our clients are designated as essential, and we have two new on-call contracts to announce: with the General Services Administration (GSA) and with the Department of General Services (DGS), both...
Envelope Study & Improvements for UC Berkeley’s University Hall
We recently completed a study for UC Berkeley’s University Hall. This seven-story tower and adjoining two-story annex at the west edge of campus, designed by the well-known west coast firm Welton Becet & Associates and constructed in 1959, originally housed the...
Window and Door Design and Installation Guide
Techniques for installation of “punched” windows and doors have been evolving continually over the last two decades. For many years, the accepted standard involved four strips of flexible flashing integrated with a nailing fin and the water resistive barrier (WRB) at...
Vinyl Windows May Exacerbate Water Intrusion in Stucco Walls
In a recent investigation by Interactive Resources of water intrusion into stucco walls, it appeared that the leak path was through an unusually large joint between the stucco and the frame of vinyl windows. Thermal Expansion of Building Materials Used for and...