Founded in 1959, ALC is Wisconsin’s leading union subcontractor for complex, multi-trade commercial projects. We bring adaptability, leadership and craft to every jobsite.
Discover who we are, what drives us, and how decades of craftsmanship and collaboration have shaped a company built for complexity. Founded in 1959, ALC has grown into Wisconsin’s go-to partner for major projects.
ALC’s vision is to redefine contractor expectations through precision, partnership, and industry-leading standards.
A culture built on respect, safety, and pride creates teams that deliver consistently high-quality work.
ALC offers union-backed careers with advancement opportunities, training, safety, and respect for every trade professional.
Adaptability, leadership, and craftsmanship are the principles that guide every decision and every build.
Adaptability
Leadership
Craft
Every project follows a proactive process that anticipates challenges and keeps schedules and budgets intact.
See how we plan ahead, solve problems early, and keep projects moving from frame to finish—on time, on budget, and without surprises. Our proactive process has powered tens of thousands of successful builds, protecting schedules and reputations across the Midwest.
Explore the work that defines us: multi-scope projects delivered with precision and proven performance across diverse markets. From casinos and hospitals to cultural landmarks, our portfolio spans millions of square feet and some of Wisconsin’s most iconic spaces.
ALC serves healthcare, education, hospitality, retail, municipal, entertainment, religious, and commercial sectors.
With deep regional ties and scalable teams, we deliver consistent quality across Fox Valley, Green Bay, Madison, and everywhere in between.
Wisconsin
Upper Michigan
Weather barriers are critical to a building’s long-term performance and can be one of the most scrutinized scopes during inspections. When these systems fail, the consequences show up later as moisture, energy loss, and costly remediation.
ALC supports commercial weather barrier projects across Wisconsin with experienced crews and strong jobsite leadership. We understand how these systems fit within the broader envelope and how coordination missteps can create risk long after construction is complete.
Our approach emphasizes proper sequencing, clear accountability, and installations that stand up to inspection and long-term use.
Fabick Cat Weather Barrier & Insulation
Bellin Adolescent Center Weather Barrier & Insulation
Maplewood School Weather Barrier & Insulation | Acoustical Ceilings | Drywall & Finishing | Steel Stud Framing
Thedacare North Appleton Campus Weather Barrier & Insulation | Drywall & Finishing | Steel Stud Framing
Somerville Coporate Office Weather Barrier & Insulation | Acoustical Ceilings | Drywall & Finishing | Steel Stud Framing | Spray Foam Insulation
Boys and Girls Club Neenah Acoustical Ceilings | Drywall & Finishing | Spray Foam Insulation | Steel Stud Framing | Weather Barrier & Insulation
Neenah High School Weather Barrier & Insulation | Acoustical Ceilings | Drywall & Finishing | Steel Stud Framing | EIFS | Spray Foam Insulation
Weather barriers play a key role in moisture control, energy efficiency, and indoor air quality. Proper material selection and installation directly impact how a building performs over time.
As experienced weather barrier contractors, ALC focuses on continuity, detailing, and coordination with adjacent systems to ensure the envelope performs as designed not just at inspection, but throughout the building’s lifecycle.
ALC coordinates closely with framing, sheathing, roofing, and exterior trades to ensure transitions and penetrations are addressed correctly before systems are covered. This sequencing helps prevent gaps and rework later in the project.
Penetrations, terminations, and transitions are where weather barriers most often fail. Our crews focus on these high-risk areas, installing systems with inspection criteria and performance standards in mind. That attention helps reduce failed inspections and corrective work.
System selection, sequencing, and inspection requirements are defined during preconstruction and coordination to ensure envelope performance and smooth execution in the field.
Markets
Schools and universities built for learning and longevity.
Performance spaces engineered for sound and experience.
Public projects that meet community needs and standards.
Flexible solutions for business growth and success.
Facilities designed for safety, compliance, and patient care.
Guest spaces crafted for comfort and style.
Weather barrier installations are closely reviewed during inspections. ALC installs systems with testing and verification in mind, helping prevent failed inspections and costly corrections.
Envelope systems often involve multiple trades. ALC’s experience helps reduce gaps in responsibility, ensuring transitions and interfaces are addressed clearly and correctly.
Weather barrier work often sits on the critical path. ALC plans these scopes to support inspections and enclosure milestones without introducing delays.
With crews working throughout Wisconsin, ALC can respond quickly when adjustments are required, helping resolve issues before they affect enclosure or interior progress.
Many clients who engage ALC for weather barrier installation also rely on our team for related scopes that improve coordination and accountability:
Look for contractors with experience on similar building types, a clear understanding of envelope continuity, and the ability to coordinate closely with other trades. Inspection experience is especially important.ALC has delivered weather barrier systems across Wisconsin for decades.
Weather barrier installation typically includes system application, detailing at penetrations and transitions, coordination with adjacent assemblies, and preparation for inspections or testing.At ALC, these systems are treated as part of the complete building envelope—not an isolated scope.
Early involvement is critical. Engaging weather barrier contractors during preconstruction helps ensure proper sequencing, coordination, and material selection before work begins.
Cost is influenced by system type, building complexity, detailing requirements, inspection standards, and coordination needs. Access and sequencing also affect pricing.
When searching for weather barrier contractors near you, look for regional experience, proven GC relationships, and a strong understanding of inspection requirements. Local crews can respond quickly when adjustments are needed.ALC provides weather barrier installation throughout Wisconsin.
If you’re planning a commercial project and need a weather barrier contractor in Wisconsin you can rely on, our team is ready to support your build.
