Cosmo Window & Door
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Cosmo Window & Door
Here at Cosmo Window & Door we have over 100 combined years of sales knowledge and experience in doors, windows and millwork for residential and commercial construction. Our experts provide a well thought out blend of different products, features and solutions so you can make the best choice for your window and door needs.

Our outside sales representatives will come to your job to assist you in making the right product selection for your project. Cosmo Window & Door serves Long Island and the metro New York, New Jersey and Connecticut areas. You will always receive expert advice and personalized attention from all of us at Cosmo Window & door.
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Cosmo Window & Door of Long Island offers a wide selection of doors from all the top manufacturers. Interior doors are available in wood, MDF or molded composites. Exterior doors are available in wood, steel and fiberglass. Order your doors unfinished or fully finished and pre-hung for fast installation.
Nothing matches the warmth and beauty of natural wood. The design options are virtually endless - from timeless styles to custom creations. Multiple wood species are available - pine, knotty pine, oak, cherry, mahogany, walnut, fir, alder - you pick the look that matches your style and budget. With a large variety of panel designs and decorative glass types, you'll have plenty of choices to make a door uniquely yours.
Medium Density Fiberboard (MDF) is an engineered wood product made from recycled and recovered wood fiber. The durable and homogenous construction of MDF resists warping, cracking and splitting. Why paint an expensive wood door? MDF doors are ideal for painted applications and make an affordable alternative to wood doors.
French Doors are window-like doors that bring natural light into any room in your home. They feature a sense of proportion with equally divided lite panes and can be traditional or modern. Choose your material - natural wood, Medium Density Fiberboard (MDF) and wood composite are typical for interior French doors, and stain or paint to match your home's decor.
Nothing matches the beauty of a natural wood door. Add rustic charm with knotty pine or alder, or complement your cabinetry with maple or cherry. Other popular choices are fir, pine, poplar and walnut. Or, combine different woods to add character to your home with a one-of-a-kind design. Engineered construction - the door's stile components are made of multiple pieces of wood rather than a single piece of wood.
Reviews (1)
Tara Mihailin Molesso
Tara Mihailin Molesso
Apr 14, 2020
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Great company with years of experience. Walked me through which doors and windows would look best in my house. Very informative and great service