NOT KNOWN DETAILS ABOUT SASH WINDOW DRAUGHT PROOFING

That is all pretty nicely but what are secondary glazing units I hear you talk to! Properly on a standard amount its a window inside a window.These changes and draft excluders are discreet and hid from look at (unless on the list of sashes is open), guaranteeing that they do not detract in the timeless visual appearance of standard sash windows.Div