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Window Installation


  • All MARVIN windows and doors purchased by A Custom To, LLC come from our authorized dealer which allows us to pass along a limited warranty directly through the manufacturer. A Custom To, LLC installs windows throughout the greater Milwaukee area.
  • All Crystal extruded vinyl window and door sashes and main frames are warranteed against cracking, peeling, flaking, blistering, or corroding. Glass is warranteed against hermetic seal failures and stress cracks. This is a 100% replacement cost the first 20 years during the original purchaser’s ownership and 50% the next 20+ years after.
  • Viewpoint 3000 Vinyl Replacement Windows are energy-efficient, low-maintenance and surprisingly affordable. Replacement Windows come with a standard Lifetime Limited Warranty and a Lifetime Warranty against glass breakage.
  • Velux skylights are designed for Residential applications and come in a variety of shapes and sizes. They provide a 10 year product and installation “No Leak” warranty with a 20 year glass replacement warranty.
  • LARSON storm windows and storm doors are available in a wide variety of styles and colors and are made of 100% aluminum metal.
  • ALSCO and Mastic (Trim Coil) brand products come with a Lifetime Limited warranty.
  • We also offer other brand name products, at no additional cost, which allows us to offer a large variety of trim colors for you to choose from.
  • All new work is backed by 10 year craftsmanship warranties.


  • All size windows to meet your needs. Brand names include MARVIN, Crystal, Skyline & more.
  • Specialty Windows by MARVIN. Styles include windows with arches, specialty grid options, specialty window styles & more.


Our Exterior Repair Team is ready to work on your residential project today. Our expertise includes all window repairs, siding repairs, trim and wrap repairs, roofing repairs & much more.
Take a look at some of our finished window installations and then call us today! (414) 376-5568 


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