Riverhead Building Supply is proud to include Marvin Windows and Doors as part of our portfolio of superior residential and commercial building products. Marvin Windows and Doors has been a leading manufacturer of made-to-order windows and doors for over 100 years.


Marvin Windows and Doors Offers Value, Design Flexibility and Quality

Marvin creates windows and doors that elevate your home. The company’s custom products offer a great value with quality craftsmanship, energy-efficient technology, and an extensive selection of style, size and shape options. Visit Riverhead Building Supply’s Long Island or New England showrooms to inquire about using Marvin windows and doors for your next project.

  • Windows – Double hung, casement, awning, bay and bow, tilt turn and hopper, round top and custom designs
  • Doors – Lift and slide, sliding patio, swinging and sliding French doors, arch top French doors, and bi-fold doors

Marvin Signature Collection

Formerly Marvin Windows and Doors. The Marvin Signature Collection offers the broadest range of window and door types, sizes, configurations and design options. Every Signature product is made-to-order to your exact specifications. Every detail is considered, delivering the highest level of craftsmanship, appeal and performance. Marvin’s Signature Collection includes the Ultimate and Modern product lines.


Elevate Collection

The Marvin Elevate Collection (previously known as Integrity Wood Ultrex)  is an ideal blend of design and superior strength, bringing balance to your style and performance needs. Patented fiberglass exteriors stand up to all elements, outperforming and outlasting vinyl, roll-form aluminum and other fiberglass composites. Warm wood interiors add timeless beauty while resilient, long-lasting fiberglass stays strong even in the toughest conditions.


Essential Collection

The Marvin Essential Collection’s clean lines and versatile styles make it easy to meet project demands. Strong, durable fiberglass exteriors and interiors are both striking and virtually maintenance free. Streamlined options make the ordering process straightforward. The Essential Collection brings together simplified design, quality and performance in one offering – streamlining your path from design to install.  (previously known as Integrity All Ultrex)