3690Insulated – R value: 10.25

Colors Available:

Web site color may vary from actual product.

Cut-away View:


  • Sandwich type construction with CFC free expanded polystyrene insulation pressure bonded between two sheets of 26 gauge hot dipped galvanized steel with a 10.25 R value.
  • 1.0 mil paint system includes .25 mil rust inhibiting primer and .75 mil exterior top coat that resists fading and chalking while providing consistent color from panel to panel.
  • 20 gauge hot dipped galvanized steel hinge plates run the full height of each section at all hinge locations to facilitate the attachment of hinges, handles, struts and step plates.
  • Rigid aluminum retainer provides added strength while securing replaceable U-shaped bottom weatherstrip.
  • Sections include tongue and groove meeting rails for superior strength and better sealing against wind, rain and snow.
Window Options:

Not all glazing options may be available from all distributors.

Sizes Available:


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