pull-down retractable screen door - 36" black secret screen <p>retractable screen door that you pull down from a small housing above eye level, leaving your doorway completely unobstructed and your front door fully visible. open the pull-down retractable screen door effortlessly by pushing down on the bottom bar handle with your foot, no need to bend over. clutch system limits how fast secret screen hidden screen door rolls up, so that it retracts smoothly and safely. the speed and tension of the roll up action of secret screen roll-up screen door is easily adjustable. installs in 4 simple steps and only requires 4 wood screws for installation. we ship your retractable screen door pre-built for your door, no cutting or measuring required at installation. now available for double doors. choose from 2 screen materials options: more discreet all charcoal colored material for low traffic doorways; or white and charcoal vertically striped screen material makes secret screen pull-down retractable screen doors more visible in deployed position, preventing dreaded screen door collisions. when screen doors are out of season, merely press tabs on the mounting clips to quickly remove the housing and store it until next season. made of durable & weatherproof aluminum parts. </p> <p>how to measure - we have screens in all 1/4 inch increments between 28 and 43 inches. go with the largest width screen you can so that you get a better closure. the screen will be 1/8 inch narrower than the width you order. measure your door opening top, bottom, and middle to make sure that it will accommodate the wider size. otherwise, you will need to go down to the next smaller width screen. if you do get the screen and determine it is the wrong size, we will exchange it for you, no problem. all our screens come with about 105 inches length of screen, to accommodate any door up to 8 feet tall, and the extra screen stays rolled up on the screen roller.</p>