Infinity Windows by Marvin use Acrylic Coated Ultrex Fiberglass to Truly Offer the Best Window on the Market!
| Ultrex | Wood | Wood/Vinyl Composite | Vinyl | |
|---|---|---|---|---|
| Strength | 8 x Stronger than Vinyl | 4 x Stronger than Vinyl | 2 x Stronger than Vinyl | Weak |
| Expansion/Contraction | Virtually Same as Glass | Less than Glass | 2 X More than Glass | 3 x More than Glass |
| Energy Efficiency | Excellent | Moderate | Excellent | Depends |
| Certified Installers | Always | Sometimes | Sometimes | Sometimes |
| Stainable/Paintable Surface | Yes | Yes | No | No |
| Acrylic Coating | Yes | No | No | No |
| Corner Key(no corner scars) | Yes | Yes | No | No |
| Brass/Nickel Hardware Option | Yes | Yes | No | No |
| Loss of Viewing Area | 2″ | Varies | 2.625″ | 3″ |
| Can’t Rot, Warp or Corrode | Yes | No | No | No |
