Window Mart Windows

7100 Single Hung Series

The most energy efficient single hung window on the market! This window combines all of the high efficiency features of the high end windows, (like insulated frame, insulated sash frame, Duralite warm edge spacer, Multi-Point double barrier fin weather stripping system along sash and main frame and patented fusion welded frame and sash construction), with the lower manufacturing cost of a single hung window. Extruded nail fin and built in J-channel are available along with triple pane glass. .28 UFactor and .26 SHGC standard NFRC test ratings.


Discount Siding Supply, L.P. is Lead Safe Certified by the Kansas Department of Health and Environment as a Licensed Renovation Firm. By law, anyone who disturbs more than a few square feet of painted area on a home (think replacement windows, doors, etc…) MUST be Lead Safe Certified by the State of Kansas and follow Lead Safe Practices while doing the work on your home. Do not endanger those who live in your home by not using a Licensed Renovation Firm to complete your project. Additional information can be obtained on request from Discount Siding Supply, L.P. or the Kansas Department of Health and Environment.