indemnify. 1  to compensate for damage or loss sustained, expense incurred, etc. 2  to guard or secure against anticipated loss; give security against (future damage or liability).
Counter-flashing (or cover flashing, cap flashing) is a term used when there are two parallel pieces of flashing employed together such as on a chimney, where the counter-flashing is built into the chimney and overlaps a replaceable piece of base 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.