Edgetherm® FS

A proven 100% solids extrusion of a quality thermoplastic compound plus a concentrated desiccant layer which provides rapid dew point development.


  • Concentrated desiccant layer provides rapid dew point development.
  • Double and triple pane insulating glass units.
  • Flexible for a wide variety of applications.
  • Improved production speed, efficiency, simplicity, and cost effectiveness for IG unit manufacturers.
  • Very low moisture vapor transmission rate.
  • Thermally broken edge seal system: 4 times more efficient than aluminum spacer bars.
  • Black sightline available to complement the aesthetics of windows and doors.
  • Reduced edge stress: flexible seal with excellent adhesion.
  • Very low argon permeability. Easy to create excellent seal after gas filling.
  • Accommodates thermal movement.
  • Imprinted for product authenticity.
  • Sizes vary according to profile. Special sizes are available upon request.
The inherent flexibility and versatility of Edgetherm’s all-in-one technology offers insulating glass manufacturers a variety of profiles designed for a variety of IG applications.
Performance Norm
Moisture Vapor 
Transmission Rate

0.09 g H20 per square meter per
24 hrs. for a .060” (1.5 mm) film
at 100° F (38° C).
ASTM F 1249
Volatile Fogging
ASTM E 2190
Argon Permeance
6-8 c.c/100 in.² per 24 hrs. per
atmosphere as measured on a
.040” (1.02 mm) film at 77° F
(25° C).
ASTM D 1434
Resistance of Compression
of Self-Contained Aluminum

8 mils thickness, > 1,900 pounds
per linear foot, when compressed
at rate of 2 inches (50 mm) per
Note: The foregoing information is published as general information only. The listed properties and performance characteristics are approximate value and are not part of the product specification.