QUESTION: Insulation: how to insulate windows and doors quickly and inexpensively?

Quick and inexpensive insulation of windows and doors is the first line of defense against winter chills and drafts in any living space. When it comes to insulation, it is always recommended to start with a simple, proven plan that includes defining a clear goal, drawing up a budget, setting deadlines, and compiling a list of necessary materials. After that, all work is performed in small iterations with mandatory verification of the result at each individual step.

As a first step, conduct a detailed inspection of the perimeter of window frames and door jambs to detect gaps and cracks. For old-style wooden windows, foam rubber or special cotton batting is traditionally used, placed into the cracks and subsequently sealed with paper or fabric tape. For modern plastic windows, a simple adjustment of the sash compression using an Allen wrench or complete replacement of the worn-out rubber seal along the perimeter is usually required.

The second step is to tackle the front door, through which most of the cold air from the stairwell enters the apartment. Apply a self-adhesive tubular seal made of rubber or polyurethane of the appropriate thickness along the door rebate. If a large gap remains between the door leaf and the floor, secure a special brush attachment or a soft draft stopper at the bottom of the door.

The third stage is to improve the thermal insulation of glass surfaces if replacing the double-glazed windows is not in your plans. Apply a special energy-saving heat-reflecting film to the glass using a regular soapy solution and a hairdryer. This film is practically invisible to the eye, but it works like an extra pane of glass, reflecting heat rays back into the room and preventing the formation of ice.