A curtain is a piece of cloth intended to block or obscure light, or drafts, or (in the case of a shower curtain) water. A curtain is also the movable screen or drape in a theater that separates the stage from the auditorium or that serves as a backdrop/background.
CURTAIN DRY WASH
Thermal curtains create a dead-air space between the window and the room, which reduces the amount of air infiltration and transfer of heat. By installing an insulating curtain over a window, heat is kept inside during the winter. During the summer, heat from the sun is reflected back to the outside