Builders Studio

5401 W. Grand River Ave.
Lansing, MI 48906
517-256-4167  MAP


1191 E. Grand River Ave.
Williamston, MI 48895
517-655-4641  MAP


5401 W. Grand River Ave.
Lansing, MI 48906
517-321-7766  MAP

Store Hours

Mon-Fri: 8 a.m. - 5 p.m.
Sat: Closed
Sun: Closed
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Therma-Tru Doors


Try Therma-Tru's Door Designer Tool to find the right door for your home. There are endless options available including custom glass and internal blinds. 

Stop by our brand new Builders Studio to see and feel the quality first hand.  We have a wide variety of styles beautifully displayed.  Our Builders Studio Staff and Door Specialist will be happy to sit down with you and discuss the options available. Our styles ranges from modern to traditional and entry systems to fit any budget.

Classic Craft.

A premium entryway that’s truly unique and uncompromising in every detail. One that blends precision-engineered features with architecturally correct details to produce an entryway that performs as exceptionally as it looks – instilling confidence and peace of mind. And Classic-Craft entry doors are rated a Consumers Digest Best Buy for their exceptional warranty, quality of materials and construction, and resemblance to a real wood door.

Fiber Classic. Smooth Star.

Bring home the authentic look of wood with the low-maintenance benefits of fiberglass. From front entry to patio, you will find flexible options to fit virtually every entrance with beautiful, energy-efficient, durable and secure fiberglass doors. Choose from a wide range of door styles and sizes, glass designs, and options to meet building codes. And Fiber-Classic entry doors are rated a Consumers Digest Best Buy for their exceptional warranty, breadth of style options and wood-grained texture. 

About Therma-Tru

Choosing Therma-Tru isn’t about just selecting a door. It’s about designing an inspired entrance. Creating a look everyone will love. And having confidence that it will perform for years to come.
Whether it’s Classic or Contemporary – or somewhere in between – Therma-Tru offers virtually unlimited choices to complement the architecture of a home and a homeowner’s sense of style.
But it’s more than beauty that makes Therma-Tru the brand building professionals prefer most.* With more than 50 years of industry experience and technical know-how, we’ve built a reputation for delivering high-quality, low-maintenance exterior door products for the whole house – from entry to patio.
We invented the fiberglass door because we believe it combines the best characteristics of wood and steel – beauty and performance – without the compromises. And we remain committed to making smart, innovative new products that are better and more beautiful every year.
Whatever the entrance needs – from energy efficiency to security – your search ends here. You’ll find a wide range of durable and reliable Therma-Tru® products built to meet the needs of the home and the homeowner's lifestyle. 

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MPC Cashway Lumber Michigan is family-owned and has been serving the Lansing area for 50 years.  We carry a wide variety of building supplies for projects large or small.  Whether you are building a home, polebarn, deck or remodeling a kitchen, MPC has a knowledgeable staff that can guide you through your project and help you find just what you need.