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Door Installation in Nassau County, NY

The front door to your home is both the way you greet guests and one of the most important security measures for your house. Here at Alexander Home Improvement in Nassau County, we provide a wide variety of doors to give your home both personality and security. Working with Jeld-Wen Windows and Doors and Masonite, among other manufacturers, we strive to help you find the perfect door for your home.



Door Options

Choosing the right new doors can significantly impact the visual aesthetic and curb appeal of your home, potentially making it more welcoming to guests or increasing its market value. If you’re looking for front doors, you might want more intricate design work and patterned glass. For garden or patio doors, you might favor large windows or sliding doors. And for any external doors to your home, you’ll likely want maximum security to ensure it will keep you and your family safe. Here at Alexander Home Improvement, we carry doors for any purpose or aesthetic you may need, including front entrance doors, fiberglass doors, steel doors, patio doors, sliding doors and storm doors.

Front Entrance Doors

If you have a broken front door or are simply look for a new front door to enhance the visual appeal of your home, you can explore a wide variety of designs that give your home both personality and security. Our front doors work with secure locking systems and are sturdy to withstand attempted break-ins.


Patio Doors
Sliding or hinged, patio doors add value, beauty & energy savings to your home. They let in additional light to help warm your home and brighten the room, as well as providing beautiful views of your yard and garden.
Fiberglass Doors

Fiberglass construction resists denting, rusting and rotting for durability in the elements. Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings.

Sliding Doors
Sliding doors provide an uninterrupted scenic view of your backyard or garden, allowing you to enjoy the outdoors from the warmth of your home in winter and the fresh air through an open door in summer. Sliding doors provide easy access to your backyard and allow light to brighten your living space.
Steel Doors

Steel doors offer relied-upon strength, durability and ease of maintenance that complement your home’s style. Their high definition panels create an upscale look that adds architectural interest for increased curb appeal.

Our strong and secure steel doors are built to prevent water absorption and resist rust to enhance your home for many years. Strong and secure steel with high definition panels contribute to a high-end look, and an energy efficient core helps lower heating and cooling costs.

Storm Doors

Storm Doors fit over your existing entry doors, protecting them from harsh weather. The Storm Door offers quality at an uncommon value. This full light style storm door has glass from top to bottom to maximize your views, along with convenient features, low maintenance and durability.

Backed by a limited lifetime warranty, these storm doors are prepped for easy assembly and installation with only basic skills and tools in about 2 hours. Thermally tempered safety glass is stronger and safer than regular glass; if broken the glass breaks into pebbles instead of sharp pieces.

It also features anytime ventilation with an easy one-hand retractable insect screen that conveniently rolls into the frame of the door and out of view when not in use.

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