Welcome to Unrau Building Supply

Post Frame Buildings and Building Supplies You Can Rely On

At Unrau Building Supply, we’re more than just a supplier — we’re your local post frame builder specialists serving Boissevain and Southern Manitoba. Whether you’re planning a custom shop, garage, or farm building, our materials and experience help bring your vision to life — built to last in Manitoba’s tough weather. Proudly serving Manitoba and Saskatchewan since 1995.

From start to finish, we manage your entire post frame construction project, ensuring top-quality craftsmanship, clear communication, and a seamless building experience. When you choose an Unrau Building, you’re choosing durability, functionality, and a team that’s committed to exceeding your expectations.

Quality Building Supplies for Post Frame Projects

We design and build post frame structures that are tough enough to handle a Manitoba winter. From foundation to roof, our buildings stand strong.