Advanced Construction Testing (ACT) provided third-party window water penetration testing for the Arcade Middle School project in Sacramento, California. ACT conducted ASTM E1105 testing on four window systems across the campus, including storefront and hollow metal assemblies on Buildings A, B, C, and D. Testing included negative pressurization, calibrated spray application, and on-site observation, with detailed reports documenting performance and recommendations delivered to Kitchell CEM.