Combine flour and salt in a medium mixing bowl; cut in shortening with a pastry blender until mixture resembles coarse meal. Sprinkle water evenly over surface; stir with a fork until dry ingredients are moistened. Shape dough into a ball; chill.
Roll half of pastry to 1/8-inch thickness on a lightly floured surface; fit into a 9-inch pie plate leaving a 1/2-inch overhang.
Add filling as directed in desired recipe. Trim off overhanging edges.
Roll remaining pastry into an 11-inch circle. Moisten the edge of the bottom pastry with water. Fit top pastry over filling. Trim edge of top pastry, leaving a 1/2- inch overhang. Fold overhang under edge of bottom pastry, pressing firmly to seal; flute. Cut slits in top crust to allow steam to escape. Bake as directed in desired recipe.
Roll half of pastry to 1/8-inch thickness on a lightly floured surface; fit into a 9-inch pie plate, leaving a 3/4-inch overhang. Add filling as directed in desired recipe. Do not trim overhanging edges.
Roll remaining pastry to an 11-inch circle. Cut into 1/2-inch strips. Moisten edge of bottom pastry with water. Lay half of strips across filling, spacing them about 3/4-inch apart. Repeat procedure with remaining strips, arranging in the opposite direction. Press strips to edge of bottom pastry and trim even with overhanging edge of bottom pastry. Fold the 3/4-inch overhang and pastry strips under, pressing firmly so edge of pastry is even with rim of pie plate. Flute as desired.