Designed for unprecedented performance and exceptional aesthetics, Marvin offers window options for every style of home in any climate. From a classic double hung and single hung window to European-style tilt turn and hopper windows to casements in industry-leading sizes, our innovative window solutions offer virtually endless style options, high-quality material choices and the ability to mix and match across product lines to find the right form and function for residential, commercial and replacement needs.

Seven D Industries, L.P. is a premier manufacturer of premium vinyl replacement and new construction windows, patio doors and architectural shapes. Our window products are designed and manufactured with the latest technology by skilled craftsmen to enhance your home with energy efficient comfort, lasting beauty and resilience.

New Construction Windows - Our new construction windows provide excellent thermal properties and superior sound absorbency to meet today's national energy saving requirements. Fusion welded construction virtually eliminates air and water infiltration while assuring overall durability.

Replacement Windows - When someone complains about a room being too hot or too cold, they often blame the heating or air conditioning system. But windows, often overlooked, also play an important role in comfort in buildings and can account for 30% to 40% of energy costs. Look at United Window & Door's wide variety of replacement options that will help make your home more comfortable and more energy efficient.