Johns Manville Plaza

Johns Manville Plaza is a 404-foot-tall skyscraper (123 m) in Denver, Colorado. It was completed in 1978 and has 29 floors. The building was designed by Hellmuth, Obata and Kassabaum and built by Al Cohen Construction. It is owned by Brookfield Properties, and is the 16th tallest building in Denver. Reflective solar glass windows alternating with 5-foot-wide columns (1.5 m) makes up the outer walls. A plaza, basement, and loading dock are shared with 707 17th Street.

Johns Manville Plaza
Johns Manville Plaza
General information
Type	Office
Location	717 17th Street, Denver, Colorado
Coordinates	39°44′49″N 104°59′28″W
Completed	1978
Owner	Brookfield Properties
Height
Roof	404 feet (123 m)
Technical details
Floor count	29
Floor area	70,580 m2 (759,700 sq ft)
Design and construction
Architect(s)	Hellmuth, Obata and Kassabaum
Main contractor	Al Cohen Construction Company