Weather barriers seal commercial buildings from unintended airflow and help improve indoor air quality. Sealing a building envelope reduces airflow from leaking out of the building and reduces penetration by allergens, pollutants, and moisture in your home or building.
- Mechanically-attached membranes
- Self-adhered membranes
- Fluid-applied membranes
Air Barrier Association of America
Alcal is honored to be a certified ABAA contractor. Our employees are trained and continually educated on air barrier technology. We have the materials and assemblies that meet and exceed your project’s standards.
How we work makes a difference.
- Most stringent safety program and quality control in the industry
- Well-trained union workforce with E-Verified and OSHA-certified employees
- Green building and LEED experience
- Well-capitalized and diversified
- Financial strength and longevity to honor its warranties
- Feels like a family-owned business because it is one