Product Specs

The Product Selector is your quick-search home for complete specifications, installation instructions and product resources for all Integrity Ultrex fiberglass products. Use the drop-down menus below to narrow your search.

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Integrity Fiberglass IZ3 IMPACT Double Hung Window

Double Hung Window

Enjoy a traditional double-hung look with subtle reinforcements designed to protect you from nature’s fiercest winds. Thicker checkrails, a higher sill dam, reinforced tilt latches and the unmatched strength of an Ultrex exterior deliver Impact Zone 3 performance while a 13.5� sill provides proper water management.

  • IMPACT Zone 3 rated performance
  • Low-maintenance Ultrex exterior; rich pine interior
  • Sashes tilt and removes easily with no tools
  • Folding nail fin and all installation accessories included
  • 10-year manufacturing warranty/20-year glass seal warranty
  • LoE2 glass with argon gas standard
  • Tempered glass and glazing available
Energy Data

Integrity IMPACT Double Hung

Insulating Glass - Argon - SDLN0.320.280.47NC, SC
Insulating Glass - Argon0.320.310.53NC
Insulating Glass - Argon - SDLN0.310.190.42NC, SC, S
Insulating Glass - Argon0.310.210.48NC, SC, S

Integrity IMPACT Double Hung Picture

Insulating Glass - Argon - SDLN0.310.290.49NC, SC
Insulating Glass - Argon0.310.330.55NC
Insulating Glass - Argon - SDLN0.310.200.44NC, SC, S
Insulating Glass - Argon0.310.220.50NC, SC, S
Architectural Detail Manuals (ADM)

Click a link below to download detailed product information, including sizes, features, design pressures, NFRC values, egress information, elevations and section details. Documents can be opened using Adobe Acrobat or compatible .pdf viewer.
Installation Instructions

Parts Manuals

Click a link below to view parts by product type. Documents provide part identification, as well as available and obsolete parts information. Documents can be opened using Adobe Acrobat or compatible .pdf viewer.
Drawings and 3D Models

Symbols of standard window and door products are ready to insert directly into your ADT, SoftPlan, Chief Architect, ArchiCAD, VectorWorks, Home Designer, Revit and SketchUp Version 6 and now SketchUp Dynamic Components (Version 7 & 8) plans. Self-installing files are available.
Drawing Type
Operation Type
Performance Level
ZIP File Type
SoftPlan All Windows Detail and ElevationOperatingStandard