Creating a more comfortable, quieter room is easy with the addition of LARSON® ComfortSEAL® insulating storm windows.
Installs inside the window jamb over existing windows for instant draft and sound reduction
Proven to reduce outside noise by up to 50% and air leakage up to 75% by independent lab testing
Ultimate design features unique top hinge to allow for easy access and cleaning between windows year round
Sliding sash opens from the right side for use over sliding type windows
Installs in ten minutes with a few screws at the top track and bottom stops year round
Requires 1-1/2 inch depth inside the window jamb for proper installation
The Attachment Energy Rating Council certifies this product’s energy performance and rates as 80 out of a possible 110 in a dominantly cool climate and 15 out of a possible 55 in a dominantly warm climate