exterior space and the existing window the benefits of the device are much greater insulation r value technically for an existing window energy efficient or lower energy bills as well as a significant reduction in noise passing through the window or portal into which the press fit storm window is placed the device will be dramatically less expensive than upgrading an existing single pane window to a more efficient dual pane window without any real cutting the walls which entails construction of the outside and inside which means inconvenience and expense reluctance to upgrade for the home owners another benefit is that these press fit windows will preserve the architectural integrity of the existing windows in older homes customers will be able to install the windows in a matter of minutes with no screws nails or adhesives which points to a third major benefit of the windows they provide dramatic environmental and efficiency improvements while preserving the architectural integrity of homes fig1 shows the extrusion to put around edge of a press fit 440 storm window to allow a pressure fit into window frames profile view fig1 displays round or oval shaped tube formed from a springy material with u2018 hollow u2019 interior 102 and 104 or 402 and 410 or 502 and 510 u2018 hollow u2019 space could be air or foam u2018 channel groove u2019 connects bulb to clear panel 106 108 and 110 it also shows u2018 spring u2019 plastic extrusion which is uva resistant it will be exposed to sunlight heat and.