BLOCK Builders completed the installation of new metal wall panel systems at Holliston High School in Holliston, Massachusetts. The project was part of a public building improvement initiative, enhancing the building envelope with durable materials and a refreshed exterior appearance. Work consisted of the application of a roll-on vapor barrier to seal brick walls of a portion of the school, installation of aluminum wall panels onto hat channels as well as custom break metal flashing details. Work began during the school year and was completed during summer recess.