Jewel Stone Plus is the ultimate in acrylic modified cement finishing, combining the original strength of Jewel Stone with the flexibility of polymer modifiers, thus enabling the resurfacing of ceramic tile, linoleum, or as the finished surface of DuROCK EIFS or stucco.
Quick Answer. Tornadoes can last from a few seconds to over an hour, although most last less than 10 minutes. They form from mesocyclones, which are areas of organized rotation within supercell thunderstorms. Scientists still don't know why some mesocyclones become tornadoes and some do not.
Flour can also last past its expiration date, especially if you haven't opened it and stored it properly. Most types of flour last six to eight months past their expiration dates, while whole wheat and self-rising flour last four to six months after their expiration dates. Corn meal flour can even last up to 12 months past its expiration date.