ProVia has developed a reputation within the window industry for developing products that provide a high degree of customization combined with outstanding quality and energy efficiency.
For the energy-efficient Endure vinyl window line, ProVia has chosen the optimum levels of technology to make a window that will work continually at peak performance. Endure windows provide all that you would expect from high-performance ENERGY STAR certified vinyl windows, using much less energy to stay warm in the winter, cool in the summer, and provide more comfort all year round.
For the Endure vinyl window line, ProVia has chosen the optimum levels of technology to make a window that will work continually at peak performance. Endure windows provide all that you would expect from energy-efficient, high-performance vinyl windows, using much less energy to stay warm in the winter, cool in the summer, and provide more comfort all year round.
ProVia’s Endure vinyl windows offer maximum energy efficiency, while displaying stunning beauty.
ENDURE WINDOW FEATURES
ProVia has designed its ENERGY STAR certified Endure vinyl windows to provide maximum energy efficiency and beauty. Neopor insulation, INNERGY™ thermal reinforcements and options for highly energy-efficient ComforTech™ insulated glass help deliver a high-performance, insulated vinyl window line that meets ENERGY STAR certification standards.
The frame and sash construction exceed industry standards, and are tested against the most stringent requirements for air and water infiltration, wind load resistance, ease of operation, forced entry and more.


3¼” frame depth

SunShield® Vinyl

3⁄4″ ComforTech™ DLA-UV for dual glaze and 1″ ComforTech TLA-UV or TLK-UV for triple glaze
Integral Interlock at meeting rail
Structural support leg resists deflection during winds
Compound Tension™ balance system with color-matched covers
Neopor® Insulation
INNERGY™ Thermal Reinforcements
Accessory grooves for more interior and exterior trim options
Top sash retention – no more sash drift
DualTech™ sweep locks
Vent Locks
Barrier-fin and bulb weatherstripping
Extruded aluminum screen with BetterVue® fiberglass mesh
Integral nail fin available in white only
(factory applied nail fin for other colors)
Endure Double Hung 40″ x 63″ | ||
Test | Test Specification | Results |
Air | ASTM E 283 | 0.05 cfm/ft2 @ 25 mph |
Water | ASTM E 547 | 8.35 psf |
Structural | AAMA/WDMA/CSA 101/I.S.2/A440-8 and 11 | R-DP50 142 mph |
Picture Windows
Direct-glazed with interior glazing bead
Endure Picture 75″ x 75″ | ||
Test | Test Specification | Results |
Air | ASTM E 283 | 0.01 cfm/ft2 @ 25 mph |
Water | ASTM E 547 | 12.11 psf |
Structural | AAMA/WDMA/CSA 101/I.S.2/A440-8 and 11 | R-DP50 142 mph |
Slider Windows
Pocket sill design
Endure Slider 72″ x 60″ | ||
Test | Test Specification | Results |
Air | ASTM E 283 | 0.07 cfm/ft2 @ 25 mph |
Water | ASTM E 547 | 9.19 psf |
Structural | AAMA/WDMA/CSA 101/I.S.2/A440-8 and 11 | R-DP-35 118 mph |
Casement & Awning Windows
Multi-point locking hardware
Washability hinge for casement
Quick-release dual-arm operator for awning
Endure Casement 24″ x 60″ | ||
Test | Test Specification | Results |
Air | ASTM E 283 | 0.02 cfm/ft2 @ 25 mph |
Water | ASTM E 547 | 11.28 psf |
Structural | AAMA/WDMA/CSA 101/I.S.2/A440-8 and 11 | R-DP65 161 mph |
Endure Awning 48″ x 32″ | ||
Test | Test Specification | Results |
Air | ASTM E 283 | 0.02 cfm/ft2 @ 25 mph |
Water | ASTM E 547 | 12.11 psf |
Structural | AAMA/WDMA/CSA 101/I.S.2/A440-8 and 11 | R-DP60 155 mph |
Endure Casement Picture 60″ x 63″ | ||
Test | Test Specification | Results |
Air | ASTM E 283 | 0.01 cfm/ft2 @ 25 mph |
Water | ASTM E 547 | 12.11 psf |
Structural | AAMA/WDMA/CSA 101/I.S.2/A440-8 and 11 | R-DP45 134 mph |
Test data is a result of sizes shown, configurations and lab conditions of a certified independent third party laboratory.