How do i take measurements for a vinyl replacement window?
Measure WidthMeasure the top of the window horizontally from jamb to jamb with a steel tape measure. Measure the middle of the window horizontally from jamb to jamb. Measure the bottom of the window horizontally from jamb to jamb. Subtract 1/2-inch from the smallest measurement to ascertain the width.Measure HeightMeasure the inside left of the window vertically, from the header to the window sill, using a metal tape measure. Measure the inside middle of the window vertically, from the header to the window sill. Measure the inside right of the window vertically, from the header to the window sill. Subtract 1/2-inch from the smallest measurement to ascertain the height.Adjust for SquareMeasure diagonally from the inside upper left hand corner to the lower right corner. Measure the inside upper right corner to the lower left corner. Subtract 5/8- to 3/4-inch from the window height if the diagonal measurements are not the same, ensuring the installed window will not leak water or air.Sour
