Existing building retrofit

Window frames must have 1 1/2" of flat space on inside of frames or at least 1" of flat space on face of frames, with no obstructions such as shutters, shades, handles, cranks, or locks.

Existing windows with a compatible interior window frames with at least 1.37" of flat mounting space. A 3 to 6" gap between the primary window and the insert provides optimal acoustic performance.

1 window

10 to 10,000 windows

Window dimensions are collected using either a laser measurement kit or standard tape measure before manufacturing.

Installation contractors are available throughout New York.

IndowPRO is for inoperable windows / non-egress windows. IndowONE inserts are removable and can be installed on operable windows.