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Business Details
50+ Years
experience
Custom Architectural Wood Windows and Doors in Milwaukee
Acker Millwork has been a trusted name in architectural wood craftsmanship since 1959. As a family-owned business rooted in Milwaukee, Wisconsin, we specialize in creating custom wood windows, doors, and millwork that blend historical authenticity with modern precision. Our team of artisans, many with decades of dedicated service, brings unparalleled expertise to every project, ensuring meticulous attention to detail and adherence to time-honored techniques. We pride ourselves on using premium-grade wood species and mortise-and-tenon joinery to produce durable, energy-efficient products that stand the test of time.

From replicating intricate historic designs to crafting bespoke solutions for contemporary spaces, our commitment to quality and customer satisfaction has earned us a reputation as a leader in the industry. We approach every restoration or manufacturing project with a solutions-driven mindset, combining deep technical knowledge with a passion for preserving architectural heritage. Our dedication to sustainability and superior craftsmanship ensures that clients receive not only functional products but also enduring works of art that enhance the character of their properties.
Services
Custom Wood Windows Historic Reproductions Door Manufacturing Millwork Unit Restoration Combination Doors Window Glazing Wood Species Selection Storm Door Installation Interior Trim Production
Details
  • Year established: 1959
Highlights and features
  • We offer 65+ years of expertise in custom wood window and door manufacturing.
  • Our artisans use mortise-and-tenon joinery and premium-grade wood for superior durability.
  • We specialize in historically accurate reproductions for landmark buildings.
  • Our team provides personalized service from design to installation.
  • We guarantee repairable, long-lasting products with energy-efficient properties.
Services
Custom Wood Windows
We craft bespoke wood windows tailored to exact architectural specifications. Using premium-grade materials and traditional joinery techniques, our windows combine historical accuracy with modern energy efficiency. Each unit is manufactured in-house to match unique shapes, sizes, and design elements while maintaining durability against weather exposure. Our craftsmen ensure seamless integration with both contemporary and heritage buildings.
Historic Reproductions
Specializing in replicating period-accurate windows and doors for landmark buildings. Our team analyzes original components, architectural drawings, and historical context to recreate authentic designs. We preserve as much original material as possible while replacing damaged elements with precision-matched replacements. This service caters to preservation societies and homeowners seeking historical accuracy.
Combination Doors
We manufacture dual-purpose wood doors with interchangeable storm and screen inserts. Constructed from northern white pine or oak, these doors feature mortise-and-tenon joints and weather-resistant treatments. The removable inserts allow seasonal adaptation while maintaining aesthetic continuity with original architectural elements. Ideal for preserving historic home exteriors.
Millwork Production
Custom interior and exterior millwork solutions including moldings, trim, and decorative elements. We duplicate existing profiles from samples or drawings using premium wood species. Our capabilities include complex shapes and historic patterns, ensuring compatibility with both new construction and restoration projects requiring specialized architectural details.
Unit Restoration
Comprehensive restoration of aging wood windows and doors. Our process includes replacing damaged components like sashes and panels while retaining original materials. We employ traditional finishing techniques and water-resistant treatments to extend product lifespan. This service maintains historical integrity while improving functionality and energy performance for modern use.
People
Pete Acker
President and Head of Manufacturing
With 37 years of dedicated service, Pete oversees manufacturing operations, ensuring adherence to traditional craftsmanship standards while implementing modern quality controls.
Jeff Acker
Vice President and Head of Installation
Jeff manages installation services with 33 years of hands-on experience, guaranteeing proper fitting and long-term performance of all custom wood products.
Barb Acker
Office Manager and Treasurer
Barb handles financial operations with 32 years of institutional knowledge, maintaining the company's fiscal stability and operational efficiency since its early years.
Brandon Acker
Field Installer and Finishing Specialist
Specializing in on-site installation and finishing for 10 years, Brandon ensures seamless integration of custom units while maintaining historical accuracy in final treatments.
Ross Notham
Door and Millwork Specialist
With 26 years of expertise, Ross focuses on precision manufacturing of complex door components and millwork, combining technical skill with artistic craftsmanship for challenging projects.
Questions
What types of wood windows and doors do you specialize in?
We specialize in custom wood windows, doors, and millwork, including historic reproductions, combination doors, and energy-efficient designs using premium-grade species like oak and mahogany.
Can you replicate historic window and door designs?
Yes, we specialize in historically accurate reproductions, using original components when possible and matching intricate details for period-accurate restorations.
What wood species do you offer?
We work with premium species including birch, cherry, mahogany, oak, northern white pine, and western red cedar, offering expert guidance for optimal performance.
Do you provide installation services?
Yes, we offer professional installation services for all our products, ensuring proper fit and long-term performance.
How do your wood windows improve energy efficiency?
Our wood windows use mortise-and-tenon joints and premium materials that provide superior insulation, reducing heat loss by up to 183% compared to aluminum frames.
What restoration services do you offer?
We restore historic wood windows and doors, repairing damaged components like stiles, rails, and panels while preserving original architectural integrity.