More recent homes generally, will have dual lite windows. There is an air gap, which is sometimes gas loaded, between the linens of glass. These particular windows provide greater insulation features. Showing the heat heat back will cause the air space to become warm and possibly break the glass. Certain types of house film cannot be used to these windows. Carefully read all application requirements before home window tinting.
-- Edited by garyw on Monday 1st of October 2012 09:15:45 AM