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ThermaTru Doors - Where Home Begins

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

True Distinction Dealer

kelly lake building supplies Therma-Tru® Door Showroom Details

kelly lake building supplies Therma-Tru® Doors Showroom & Installer Details

Kelly Lake Building Supplies


22 Brady Street
, Sudbury, P3E 6E1


Hours subject to change due to holidays or other events

About Us

Kelly Lake Building Supplies is your destination for entry doors in Sudbury, . As a Tru-Distinction Dealer, we are committed to providing you with an enhanced Therma-Tru shopping experience. Rely on our knowledgeable design staff to guide you to the Therma-Tru door that will match your home and your unique style. Discover Therma-Tru, the brand used by more building professionals than any other door brand, at Kelly Lake Building Supplies.*

Our Showroom

Kelly Lake Building Supplies. 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.