The Susan Rice bombshell at least explains why the Democrats won't stop babbling about Russia. They need a false flag to justify using national intelligence agencies to snoop on the Trump team.
Flashing is layered protection. So what is flashing? It's a thin layer of waterproof material that keeps water from getting into places it doesn't belong. (Caulk is fine for filling small gaps around windows and doors, but it shouldn't be confused with flashing.)
Rubber flashing is one option available to you for roofing purposes. It is installed in various places on the roofs and walls of a building. Flashing prevents infiltration of water into the house. Typically, it is found on the joints around chimneys, plumbing vent stacks, windows and doors.