new construction vs replacement 18

https://smart-wiki.win/index.php/Navigating_the_Roof_Replacement_Process_in_Austin:_What_to_Expect

New construction involves building from scratch on undeveloped land, while replacement means tearing down an existing structure to put up a new one. Each path has its own challenges—new construction requires infrastructure and permits for raw sites, whereas replacement often deals with existing foundations and utility hookups, which can save time but requires careful demolition and debris removal.