The Marvin Essentialâ„¢ collection brings together design, quality, and performance in one streamlined offering. Strong, durable fiberglass exteriors and interiors are both striking and virtually maintenance-free. Simplified options make the order process straightforward, while clean lines and versatile styles make it easy to meet project demands.

Now with Larger Sizes

We’ve increased our maximum sizes in the Marvin Essential Collection. Now you can get larger sizes in casements, casement picture, awnings and sliding patio doors.

Essential: Straightforward and Tough

  • Proven strength
    Highlight Proven Strength
    The facts speak for themselves. Our proprietary fiberglass is eight-times stronger than vinyl and three times stronger than vinyl/wood composites. It resists fading, chalking, peeling and cracking.
  • Powerful durability
    Elevate And Essential Fiberglass Cross-Section Sample
    Marvin is the leader in fiberglass, which outlasts vinyl windows by 38%. Our pultruded fiberglass remains stable in extreme temperatures and expands at nearly the same rate as glass, so Essential windows stay strong and true, even in harsh conditions.
  • Streamlined details
    Fireplace And Interior View Of Essential Picture Windows
    With narrow profiles, clean lines and simpler features and options, Essential makes it easier to choose and order.

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