Suited for a wide range of applications, FOAMULARÂ® extruded polystyrene. (XPS) insulation is ideal for roofi ng applications including single-ply, protected roof membrane assemblies (PRMA), tapered, vegetative. roofs, plaza decks, architectural metal roofi ng and recover roofi ng.
U.S. Silver Quarter Melt Value Calculator. The U.S. Silver Quarter Melt Value Calculator, shown below, will help you find the total silver value and total silver content of your U.S. Barber, Standing Liberty, or Washington 90% junk silver quarters. Calculate by quantity, rolls of quarters, face value or weight. The silver quarter calculator will only figure what the silver in your quarters is worth (intrinsic value), and will not include any numismatic (collector) or base metal value.
Until 1837 the percentage of silver was 89.24% for silver dollars, halves, quarters, dimes, and half dimes. From 1837 through 1964 the silver percentage was 90%. From 1965 through 1970 half dollars and silver (Eisenhower) dollars were made with a core of 21% silver, clad with an outer layer made from 80% silver.