Aluminum Window

WJ-91 Series Thermal-Break Aluminum Window

WJ-91 Series thermal-break aluminum window. Available in casement and tilt-turn configurations. Casement spans up to 914 × 1829 mm (90 kg max); tilt-turn up to 1600 × 2800 mm (150 kg max). Argon-filled double or triple glazing achieves a U-value as low as 0.188 BTU/hr·ft²·°F (tilt-turn). Tested to AAMA, CSA, and NAFS with SLS/ULS 1920 Pa / 2880 Pa and 290 Pa water penetration resistance. NFRC energy performance documentation available. The WJ-91 Series casement door uses the same profile. Contact us for specifications, pricing, and availability.

WJ-91 Series aluminum tilt-turn window open in modern living room with lake view

Product Highlights

Key Features

  • 91 mm thermal-break frame in casement and tilt-turn configurations
  • Tested to AAMA, CSA, and NAFS performance standards
  • Casement max 914 × 1829 mm; tilt-turn max 1600 × 2800 mm
  • U-value 0.188 BTU/hr·ft²·°F (tilt-turn)
  • Double or triple argon-filled tempered glass
  • NFRC energy performance documentation available
  • Matching WJ-91 casement door in the same profile

Technical Data

Specifications

Frame width
91 mm
Min size
610 × 610 mm (24″ × 24″)
Max size
914 × 1829 mm (36″ × 72″)
Max load
90 kg
Glass
6+19Ar+6 mm double tempered / 6+15Ar+6+15Ar+6 mm triple tempered
U-value
0.209 BTU/hr·ft²·°F
Performance testing
AAMA / CSA / NAFS
SLS / ULS
1680 Pa / 2520 Pa
Water penetration
260 Pa
Thermal break
Yes
Frame width
91 mm
Min size
610 × 610 mm (24″ × 24″)
Max size
1600 × 2800 mm (63″ × 110″)
Max load
150 kg
Glass
6+19Ar+6 mm double tempered / 6+15Ar+6+15Ar+6 mm triple tempered
U-value
0.188 BTU/hr·ft²·°F
Performance testing
AAMA / CSA / NAFS
SLS / ULS
1920 Pa / 2880 Pa
Water penetration
290 Pa
Thermal break
Yes

All dimensional and performance data are drawn from manufacturer documentation and are subject to change without notice. Specifications, certifications, energy performance ratings, and product availability must be confirmed in writing by Fenovera LLC before being relied upon for design, engineering, permitting, or purchasing decisions. Product certifications listed are manufacturer-reported and have not been independently verified by Fenovera LLC. Contact us for current, confirmed specification sheets.

Options

Glass & Color Options

Glass Options

  • Tempered glass
  • Insulated tempered glass (IGU)
  • Laminated glass
  • Low-E glass
  • Tinted glass
  • Reflective glass
  • Frosted glass

Glass type matched to application; our team will advise the best option.

Color

Powder coating / PVDF coating

Available in a wide range of RAL colors and wood-grain finishes. Contact us for swatches.

Quality Standards

Certifications*

* Not all certifications apply to all series. Contact us for more details.


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