Contact Big C Lumber - Three Oaks

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ThermaTru Doors - Where Home Begins

Home Begins At the Door. Ready To Make a Grand Entrance?

Design Gallery Location

big c lumber - three oaks Therma-Tru® Door Showroom Details

big c lumber - three oaks Therma-Tru® Doors Showroom & Installer Details

Big C Lumber - Three Oaks


2 South Elm St
, Three Oaks, MI 49128


Hours subject to change due to holidays or other events

About Us

Big C Lumber - Three Oaks is your destination for entry doors in Three Oaks, MI. Let our knowledgeable design staff provide you with the best Therma-Tru experience. With a wide selection of fiberglass entry doors, see for yourself how Therma-Tru products are stunning in every detail. Discover an unparalleled door performance to complement your home's architecture and your sense of style at Big C Lumber - Three Oaks. All from Therma-Tru, the brand used by more building professionals than any other entry door brand.*

Our Showroom

Big C Lumber - Three Oaks. This is your destination to create the entryway of your dreams. Explore an extensive collection of Therma-Tru doors on display in our showroom. Choose from wood-grained or smooth fiberglass to select a door that complements your home. Purchasing a Therma-Tru door means designing an entrance with the confidence that it will perform for years to come.

Follow us @Thermatrudoors on Instagram

*Brand Use Study, 2021 Builder magazine.