Millwork and Interior Doors.

Upgrade Any New Home or Commercial Construction Project.

Wisconsin Building Supply is much more than lumber yards... We have our own 25,000-square-foot facility dedicated to producing and providing the finest interior doors and trim available. Our expansive inventory features the best equipment and tooling available to produce and hang over 400 doors a day.

Pre-finishing is also done in house with eight standard stain colors and two standard paint colors. Custom stain and paint matching is also available. We can also offer hand-rubbed gloss finish and a durable water base formula that helps resist scratches. New home builders rely on our quality doors in some of the most beautiful homes built in Wisconsin!

All of our products are water based and environmentally friendly. We use a three-coat process that includes a stain, a sealer and a top coat. We also use the latest technology in sanding/denibber equipment. All of this happens within a climate-controlled facility that utilizes a specialized make up air system and a 4-million BTU furnace system to bake on the finish. This ensures a smooth consistent finish that offers a lifetime of durability.

Wisconsin Building Supply also offers licensed fire-rated slabs in 20, 45, 60 and 90 minute doors. We have custom machining for hinging and boring knobs and locks. For all projects, we order direct from vendors which saves you money, and on large projects we can provide direct to jobsite delivery on orders larger than 75 units. This will help you save time and money for any project.

For exterior doors we offer JELD-WEN steel slabs with 24-gauge steel and a 10-year warranty. In addition we offer Plastpro Fiberglass slabs in both textured and smooth styles that come with a lifetime warranty. Each slab is available with O.D.L. door lites with a 10-year warranty. All this—combined with our ability to pre-finish in any color and provide primed wood jambs that offer six stocked aluminum clad colors—means we can create the custom look and style for any new home building or remodeling without breaking your budget. If needed, we also have licensed fire rating capabilities for our exterior doors and we have the ability to match your exterior door cladding to your garage door frames.

Size isn’t an issue for Wisconsin Building Supply; we will custom cut doors—in both height and width—to help you create the exact opening needed to finish the job.

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