Riverhead Building Supply is an authorized dealer of Andersen Windows and Doors. Andersen is the largest window and door manufacturer in North America and is the brand pros trust for dependable, high-performing windows, replacement windows, doors, parts, and accessories. We carry a full line of Andersen products including Silver Line® windows, the 400 Series, and many others. For new construction or renovations, our innovative and high-quality Andersen products are the perfect choice. Andersen has beautiful windows and doors to fit any design, function, or budget!
Andersen Windows, Replacement Windows, Doors, Parts and Accessories
For new construction or renovations, our innovative and high-quality Andersen products are the perfect choice.
Silver Line Windows, 400 Series and More
Andersen has beautiful windows to fit any design, function, or budget!
- Series — Silver Line windows series, Andersen 400 Series, A-Series, and E-Series
- Styles — Casement, awning, double hung, gliding, picture, bow, bay, and specialty sizes
- Materials — Wood, vinyl, composite (Fibrex®), aluminum and fiberglass
If you have a window replacement project, Andersen offers a range of solutions to complement your style.
- Insert replacement windows — Easy-to-install 400 Series double-hung windows, as well as casement windows
- Full-frame replacement windows — Standard and custom styles and sizes for virtually any opening
Coastal Windows and Doors
Coastal windows and doors feature Stormwatch® protection and are specially designed to resist impact from harsh weather.
Our selection of Andersen doors includes single, multiple panel, gliding, patio doors, storm, and commercial entry styles. Choose from an array of colors, styles, sizes, materials, and finishes.
Door and Window Parts and Accessories
Repair a window or door, or enhance its look and performance, with art glass, grilles, window hardware, handle sets, and replacement parts.
Redefine boundaries with architectural lift and slide doors that open up spaces and connect your indoor areas to the outdoors.
All Andersen windows and doors are covered by an Owner-to-Owner® limited warranty which covers 20 years on glass, ten on non-glass parts. The warranty is completely transferable from each owner to the next.