HomeYouTube VideosInstalling a channel on a flat roof: The Best draining system on standing water Installing a channel on a flat roof: The Best draining system on standing water YouTube Video VVVwZ0xtWTBTSk5tZTFMaHF0RHJEMDh3LmxwLU4taFJXakY0 Making a channel on a roof is sometimes a better way to lead water off a roof than to build it up instead
