Advocate Construction is a Littleton-based business that serves clients in the Centennial area. It replaces, installs, and repairs roofs and offers various roofing options, like concrete tile, slate, modified bitumen, metal, and asphalt shingle. The company also handles maintenance jobs and checks for signs of waterlogging. Other solutions include gutter and downspout installation, door repair, skylight replacement, and exterior painting. The company has been operating for over eight years. It supports non-profit organizations like the Denver Rescue Mission and the Dumb Friends League.