Fiberglass Windows by Marvin

Fiberglass Windows by Marvin outperform Wood, Vinyl and Renewal Brand Windows by Anderson.

Fiberglass Windows by Marvin

Install the Best Replacement Windows on the Market … Infinity Fiberglass Windows by Marvin.

STRENGTH: Ultrex Fiberglass is 8X stronger than vinyl and 3.5X Stronger than Wood/Vinyl Composites

  • EXPANSION / CONTRACTION: Ultrex Fiberglass expands and contracts 833% less than vinyl giving it the lowest seal failure in the industry
  • DURABILITY: acrylic finish gives smooth and long lasting finish
  • UV RESISTANCE: Ultrex resists UV degradation 5x longer than vinyl
  • GREEN: Ultrex requires 39% less energy to produce than vinyl and with LoĒ³-366, light and visibility are maximized, while up to 95% of the sun’s damaging UV rays are blocked
  • APPEARANCE: Ultrex has narrow sash and frame dimensions and traditional looking lines and profiles. Vinyl can be bulky and boxy with unsightly welded corners
  • WARRANTY: Manufactured and guaranteed to last a lifetime!