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Strong Foundation. Strong Future.

For 75 years, Wausau Supply Co. has been a national leader in the manufacturing and distribution of building supplies and has built a strong foundation while setting the stage for a strong future. Established in 1947, Wausau Supply Co. is headquartered in Wausau, Wisconsin, and is proud to be 100% Employee-Owned. Our manufactured brands include Diamond Kote Building Products, Waudena, and Taylor Entrance Systems.


Diamond Kote® Siding

Diamond Kote® siding is built to last. Our complete siding system comes with a 30-Year No Fade Warranty, so you can feel confident every time you pull in the driveway. Upgrade your home with painted siding that resists harsh weather, extreme winds, and impacts, including hail.


Waudena® Exterior Doors

From steel and fiberglass entrance systems, to garage door frames, Waudena® offers a wide variety of quality home improvement products. Whether you’re looking for a Flat Panel Shaker, bold door colors, or stylish glass, Waudena has the styles homeowners are seeking.


TimberTech® Composite Decking

Designed to resemble your favorite wood species and types, TimberTech delivers premium aesthetics and natural-looking composite decking — and the largest selection of colors and textures so you can find your perfect match without the worry and maintenance of wood.


Get Started on Your Project Here

If you are interested in building a home or starting a new project, contact us and we will guide you in the right direction. Dunn Lumber can offer professional on-site materials estimates. Whether you’re an industrious homeowner or seasoned contractor, let us estimate your next remodel or renovation.