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Serving Northern Indiana & Southern Michigan

Residential Doors

Entry Doors

Patio Doors

Storm Doors

Entry Doors

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At Alpha Building Center we are now stocking and building Thermatru entry doors in our door shop.

We have many different door styles, glass options, and Jamb options in stock to choose from. Not finding the exact door you need to finish your home? ...give us a call, we have a whole lot more available to us.

Thermatru offers a beautiful door with exceptional warranty, service, and quality. Feel free to visit the Thermatru website.


ProVia is committed to making doors The Professional Way; doors individually customized for homeowners to the highest standards of durability, security and energy efficiency in the residential market.

Patio Doors

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Gliding Patio Doors… Also called sliding glass doors, these doors are designed to glide horizontally with one operating panel and one stationary panel. They fit into tighter spaces than our hinged doors because their panels don't interfere with your room or patio.

French Doors & Hinged Patio Doors Designed to open into a room or out onto a patio, these doors make a dramatic statement and add great ventilation. Their French door styling goes well with any home style

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Combine the elegant form and thoughtful engineering you expect from a Sunrise door, with the ability to meet the needs of basic projects or firm budgets. The Essentials by Sunrise Sliding door offers the perfect balance of simplicity, style and strength. While competitors’ wood frames are susceptible to rot, mold and decay, our Essentials door has the advantage of the EverCore™ composite frame, that maintains the strength of wood, but is resistant to moisture. Select one of two color options suitable for any décor, and create additional character with grids between the glass. Best of all, your Essentials by Sunrise Sliding door will be the last sliding door you’ll need to purchase as they’re guaranteed for as long as you live in your home.

Storm Doors

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Protect your entry door while increasing energy efficiency. Choose a door based on needs, size and style of your house.

Whether you want to let in light, breeze or both, LARSON doors offer a modern view with convenient features and unparalleled protection.

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