WINDOW
SAVER
COMPANY

Interior Storm Window Kits

 
800-321-WARM (9276)

Window Saver Kits

Window Savers consist of sheets of Plexiglas (or other acrylic brand) held magnetically on the room side of your primary window to seal out drafts, stop condensation, build an insulating air space, and cut street noise.  Comfort gains and energy savings are large.  On a completed Window Saver, rubber strip magnets (your refrigerator door uses these), are mounted at the edges of the Plexiglas and cling to vinyl-covered steel strips surrounding the window.  The steel can be mounted to the casing (the picture frame around the opening) or to cleats tacked inside your jambs (see diagram at right). 

In spite of its simplicity, the system is identical in insulating power and durability, and very similar in appearance to custom interior storm windows costing three to five times as much.

Kits contain 100' coils of material (photo below) for building windows of any size.  One kit will make seven average-sized (3'x4') windows.  Kits do not include the acrylic sheet.  You buy that (usually in 1/8" thickness) cut to size from your local home center or plastics distributor. (See Mounting and Plexiglas for guidance on measuring and buying acrylic sheet.)

Window Savers take less than 40 minutes to assemble, and can be changed in or out seasonally in mere seconds.  All components are adapted for sun tolerance.  All adhesives are pressure-sensitive and acrylic based, for strength and long life.

Assembly is simple, once your mounting location is selected and your cut-to-size acrylic sheet is in hand.  No mitered corners are used.

Construction:

  1. Mount rubber magnetic strips around the Plexiglas at its edges using pressure sensitive adhesive.  Mask them from the other side with trim tape.
  2. Prepare and mount four steel mounting strips around the window.  Use the same trim tape and  adhesive.
  3. Bring the Plexiglas, magnets first, to the steel and it will jump into place.  To remove later, peel at a corner.

Special cases:  Curved-edge windows, windows over 20 square feet, long horizontal windows, unwanted cleats at sills, and patio doors have special solutions.  See the FAQ section or call us.

Contents of a MagneticStorm kit (all items are coiled):  From left: steel strip (100'), magnets (two 50' rolls), trim tape (one 200' roll either white or dark brown) and adhesive (two 100' rolls). Complete instructions are also provided. The weight of a kit is over 15 lbs


Mounting Options

Vertical cross-section of a window showing your choice of mounting locations.

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Cross section of a MagneticStorm showing its construction. In this example the lower cleat and steel and the magnet on the Plexiglas have been replaced by a weather strip.

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