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Business Details
39 Years
experience
Your Trusted Building Supplies Partner in Oostburg, WI
United Building Supply has been serving builders and contractors in Southeast Wisconsin for 36 years. Founded in 1987 by Dan Nyhof, our family-owned business in Oostburg, Wisconsin, prioritizes superior customer service and quality products at competitive prices. We specialize in exterior siding, windows, doors, insulation, roofing, and decking, continuously expanding our inventory to reduce delivery times and support contractors. Our team focuses on understanding client needs to recommend the best materials for their projects.

With decades of combined experience, we maintain strong relationships with contractors, acting as partners in delivering exceptional results. Our commitment to innovation ensures we stay ahead of industry trends while maintaining local market expertise. We pride ourselves on transparency, reliability, and a customer-first approach that has defined our reputation for over three decades.
Services
Siding Windows and Skylights Exterior Doors Insulation Products Composite Decking/Railing Roofing Millwork
Details
  • Year established: 1987
Highlights and features
  • Family-owned with 36 years of local expertise in building supplies
  • Specialize in exterior siding, windows, and roofing solutions
  • Offer competitive pricing with fast delivery times
  • Prioritize personalized service and contractor partnerships
  • Continuously expand product inventory to meet evolving needs
Services
Siding
We provide premium siding solutions including vinyl, fiber cement, and steel options from trusted brands like Norandex and LP SmartSide. Our siding products enhance durability and curb appeal while withstanding Wisconsin's climate. Our experts help contractors select cost-effective materials tailored to project requirements.
Windows and Skylights
Our window offerings include replacement and new construction windows from Marvin, Lindsay, and Velux. We supply energy-efficient windows and skylights that improve natural lighting and insulation. Our team assists with product selection for residential and commercial projects across Southeast Wisconsin.
Roofing
We supply durable roofing solutions including asphalt shingles, steel roofing, and underlayment products from Certainteed and Central States. Our roofing materials ensure long-lasting protection against weather elements. Contractors benefit from our inventory breadth and technical support for complex installations.
Exterior Doors
Our exterior door selection features fiberglass, steel, and wood options from Therma-Tru and Masonite. These doors combine security, energy efficiency, and aesthetic appeal for residential and commercial properties. We provide guidance on code compliance and customization options.
Insulation Products
We offer comprehensive insulation solutions including foam boards, housewrap, and caulking products from leading manufacturers. Our materials improve energy efficiency and moisture resistance in buildings. Contractors receive expert recommendations for optimal R-values and application methods.
People
Joel Nyhof
President
Joel Nyhof has led United Building Supply for 17 years, gaining expertise in product sales, installation, and operations. He manages billing and account management while maintaining a hands-on approach to customer service.
Jack Ebbers
Outside Sales / Customer Service
With 38 years of experience, Jack Ebbers delivers exceptional customer service as our outside sales representative. He specializes in problem-solving for contractors while maintaining strong industry relationships through his passion for sports and community involvement.
Tom Hanson
Outside Sales / Customer Service
Tom Hanson brings 34 years of construction sales expertise to United Building Supply. He focuses on accurate estimating and product knowledge while leading youth football initiatives in Sheboygan as a dedicated community advocate.
Brad Kocian
Outside Sales / Customer Service
Brad Kocian offers 33 years of building trade experience, specializing in steel roofing and pole sheds. His deep product knowledge extends to various construction materials, complemented by his outdoor lifestyle and commitment to customer support.
Sam Jensen
Operations
Sam Jensen manages critical operations functions including inventory, pricing, and product ordering. With diverse responsibilities across departments, he ensures smooth day-to-day operations while enjoying outdoor activities with his family.
Questions
What building products do you specialize in?
We specialize in exterior siding, windows, doors, insulation, roofing materials, composite decking, and millwork products for residential and commercial construction projects.
How long have you served the Wisconsin area?
United Building Supply has served Southeast Wisconsin since 1987, providing building materials and expert support to contractors for over 36 years.
Which counties do you serve?
We primarily serve Sheboygan, Ozaukee, and Washington counties, along with surrounding areas throughout Southeast Wisconsin.
Do you offer product selection assistance?
Yes, our experienced staff provides expert guidance to help contractors choose the most suitable materials for their specific projects and budget requirements.