Patent ID: 8887789

Claim:
A system for protecting a penetration of a building comprising: a first enclosure comprising: a screen disposed proximate an outside of a building penetration and comprising a first end, a second end, a first loop disposed on a first side, and a second loop disposed on a second side; a first weight bar coupled to the second end of the screen; and a first take-up roll, attached to the first end of the screen about which a non-deployed portion of the screen is wound; first and second side members each comprising a channel and a rigidly fixed, tapered hem rod disposed in the channel, the hem rods sized and shaped to fit inside and locate the first and second loops as the screen deploys; each of the first and second side members further having a loop opener comprising one of a projection or roller disposed in the channel proximate a tapered end portion of each hem rod and configured to open the first and second loop of the screen by pushing an edge of the screen; and a first cable drive system coupled to the second end of the screen for providing tension to the screen as it deploys.