Composite Windows
As “green” advocates, Volpe Enterprises believes its essential to conserve energy. This is the reason we recommend Starmark Evo composite windows. These windows are energy efficient and have a remarkably low air infiltration rating. They are also known for their cost effectiveness, low environmental impact, and reliability to withstand a wide range of weather conditions.
Reasons to Choose Okna Composite Windows
Starmark Evo windows offer benefits such as:
- A solid sash and frame made from an advanced cellular composite material for superior energy efficiency
- Gives the appearance of wood without the warping, decay, or insect issues
- The interior lamination can reproduce the grain and rich colors of high-end hardwoods
- Do not require the maintenance and upkeep that wood and vinyl windows do
- They have a sloped sill for excellent drainage
- The HeatSeal Glass System contains extra strength glass with 11 heat reflective layers of silver, other metal oxides, and a HeatSeal Spacer Passive solar and thermal insulation that helps reduce the draft caused by cold glass surfaces
- ENERGY STAR® Certified
Composite windows are available in: Double Hung, Casement, Awning, Slider, Bow Windows, Bay Windows.

Okna Composite Window Products

Starmark Evo
Double Hung Windows
- Exclusive Wind Jammer eliminates drafty gaps that are common in other windows
- Routered-in tilt latches allow you to tilt the window without taking away from its appearance
- As an insulator, cellular composite is: 70% better than wood, 214% better than vinyl, and 1600% better than aluminum
- Heat Shield glass comprised of eleven optically tuned layers
- HeatSeal Warm Edge Spacer System for excellent thermal efficiency and a drastic reduction in condensation

Starmark Evo
Slider Windows
- Multi-chamber design with exceptionally strong frame and corner welds
- Wide exterior profile for a balanced appearance and added frame strength
- Double weather-strip system around the sliding sash for an enhanced weather tight performance and reduced air infiltration
- Heat Shield glass comprised of eleven optically tuned layers
- HeatSeal Warm Edge Spacer System for excellent thermal efficiency and a drastic reduction in condensation

Starmark Evo
Casement & Awning Windows
- The multi-point locking system creates a weather-tight seal by drawing the sash firmly together and securing it to the master frame (Casement)
- Opens a full 90 degrees for maximum ventilation and easy cleaning (Casement)
- Multi-chamber design with exceptionally strong frame and corner welds (Awning)
- Beveled screen frame with the appearance of wood molding
- HeatSeal Glass System comprised of eleven optically tuned layers
- HeatSeal Warm Edge Spacer System for excellent thermal efficiency and a drastic reduction in condensation

Starmark Evo
Bow & Bay Windows
- Two inch insulated head and seat board with furniture grade veneer and standard 1 ¼” jamb
- Water penetration barrier below each window and mullion
- Silicone free interior and exterior
- Standard foam insulated mullions with threaded rod
- HeatSeal Glass System comprised of eleven optically tuned layers
- HeatSeal Warm Edge Spacer System for excellent thermal efficiency and a drastic reduction in condensation
Are you considering replacing your windows? It can be an intimidating project. Don’t worry, though! Volpe Enterprises is here to help. Learn about window replacement.