National Park Service Begins Roof Replacement, Masonry Repair At Lincoln Memorial
By NPT Staff on January 9th, 2018
An eight-month-long project is under way to make repairs to the Lincoln Memorial on the National Mall in Washington/NPS
The National Park Service has begun an eight-month project to replace the roofs and repair cracked marble at the Lincoln Memorial in Washington, D.C. The memorial will remain open for the duration of the project, though some areas will be inaccessible.
The flat upper and lower roofs of the memorial were last replaced 20 years ago and are starting to fail. Incoming water is staining the interior walls of the memorial, most noticeably on the southeast wall. A sound roof is one of the most important ways to protect and preserve a historic building, and the new roofs will be constructed with five layers to keep the interior dry and watertight. From interior to exterior, the roofs will be composed of: hollow clay terracotta tile, concrete decking, a hot rubberized asphalt membrane, rigid insulation and slate pavers.
The project will also repair the white marble at the (click here to read the entire article)