Window Cleaning

April Building Services is the industry leader in high-rise window cleaning services in North Texas. Our commitment to safety and quality ensures superior window cleaning on properties from the tallest buildings in Dallas to the smallest. Bill Ferguson, President of April Building Services, served on the Committee which wrote American National Standards Institute (ANSI) I14.1 Window Cleaning Safety. We are committed to providing window cleaning services which comply with OSHA and ANSI standards.