If the power is going to be out for a long time, buy dry or block ice to keep the refrigerator as cold as possible. Fifty pounds of dry ice should keep a fully-stocked 18-cubic-feet freezer cold for two days.
Instructions. Measure the width of the window and decide how wide the window treatments will be. Window valances should extend 2 inches beyond the window frame to allow for the support brackets. Being made of wood, box valances weigh more than fabric valances, so consider how they will be attached to the wall.
To determine Width of Curtain or Valance: 1  Measure the width of each window you plan to decorate. Important Note Measure each window separately because not all windows are the same. 2  Round measurement to the nearest inch and multiply by 2 or 3, depending on the desired amount of gathering (fullness) you want. Divide this number by the width of the curtain pair, panel, or valance to determine how many to purchase. Round to the nearest whole number.