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Building Materials
Providing trusted products and unparalleled customer service for home builders across USA for over 25 years
USA’s Premier Building Supplier
Fortis Construction Supply is the USA’s foremost value-added building materials supplier, delivering premium doors, millwork, windows, trusses, and lumber. With a vast inventory and some of the nation’s largest production capacities, we proudly support single-family and multi-family new construction builders across the country.
In addition to our core offerings, Fortis provides comprehensive building material solutions both across the USA and globally—bringing unmatched reliability and scale to construction projects worldwide.
Support Services for Project Success
At FORTIS, we don’t just provide materials- we offer comprehensive support services to ensure the success of every project. From our dedicated truss design teams to our specialized field service crews, we are committed to excellence in every aspect of our business, ensuring that each project is completed with the highest standards.
Our Products
We partner with time-tested, reputable vendors to supply an extensive range of building materials.
Doors & Millwork
Our dependable installation and turnkey services make FORTIS the preferred supplier for doors and millwork, ensuring seamless quality and efficiency.
Windows
Our seasoned window installation teams deliver directly to your job site, installing each package with precision to ensure a weather-tight, perfect finish.
Trusses
Our state-of-the-art manufacturing facilities are equipped with the latest machinery, guaranteeing accuracy and reliability in every truss we produce.
Lumber & Siding
From solid wood to composites, our lumber and siding selection offers a variety of choices for your build, streamlining the installation process.
Multi-family
Multi-family projects that highlight our commitment to providing superior building materials and exceptional service.