Windows & Doors

GNH carries all the brand name windows and doors you know and trust.

  • Marvin
  • Integrity by Marvin
  • Brosco
  • Masonite
  • Rogue Valley
  • Lemiux

Marvin Doors

Marvin - Windows and Doors

Each Marvin window or door is made to order—not retrieved from a warehouse of finished products. This process allows us to meet each customer’s unique design and performance specifications and enables us to offer the industry’s most extensive selection of shapes, styles, sizes and options.

Atrium Windows

Atrium Windows

Manufacturing a wide range of high-quality windows and providing exceptional customer service, Atrium has established itself as an efficient manufacturer of high quality products. From investments in product development to the standards of operational excellence Atrium strives to exceed every day, focusing its goals from the perspective of the customer.

Integrity Windows

Integrity by Marvin

Integrity Windows and Doors is the world's largest manufacturer of windows and doors made with Ultrex®—a highly-durable, virtually maintenance free state-of-the-art pultruded fiberglass material that outperforms vinyl and roll-form aluminum.

Therma-Tru Doors

Therma–Tru – Doors and Entry Systems

Therma-Tru entry door systems are not only the brand that most builders prefer; they are also unmatched with the best warranties in the industry. Every line of doors we offer comes with a package of performance that is unrivaled in the industry.