
Panel Built, Inc.
Panel Built, Inc. is a modular building manufacturer founded in 1995 by brothers Pat and Mike Kiernan. They specialize in designing and manufacturing custom modular solutions, including offices, mezzanines, security booths, prefabricated buildings, ballistic-rated guard houses, prefabricated towers, cleanrooms, and more. All products are produced on-site in their state-of-the-art manufacturing facilities.
All Products(17)

Fire Rated Walls – 1 Hour Fire Rated Wall Panels for Maximum Protection
Panel Built’s fire rated walls provide superior fire resistance, ensuring workplace safety and code compliance. Our 1 hour fire rated wall panels are laboratory-tested and ASTM-certified, offering reliable protection for warehouses, military facilities, and commercial buildings. 🔺 1 Hour Fire Rated Wall Panels – ASTM E119-certified fire endurance. 🔺 Heavy-Duty Construction – Fire-Shield gypsum with a mineral wool insulated core. 🔺 Meets Safety Regulations – Designed for commercial and industrial fire protection. 🔺 Customizable Designs – Available with steel skins, sheeting options, and reinforced structures.

Ballistic Gate Houses
Panel Built’s ballistic rated enclosures provide customizable, prefabricated protection for high-security applications including military bases, government buildings, and industrial facilities. Built with heavy-duty welded steel frames and bullet resistant building materials, our ballistic buildings are engineered to meet UL-752, NIJ, and STANAG ballistic standards. Each unit is designed for durability, security, and long-term performance.
Towers
Elevated structures designed for observation, communication, or other specialized uses.
View ProductSteel Canopies
Overhead structures designed to provide shade or shelter in various settings.
View ProductBarrier Rails
Safety rails designed to prevent falls and protect personnel in elevated areas.
View ProductCleanrooms
Controlled environments designed to meet specific cleanliness standards, suitable for various industries.
View ProductTransit Shelters
Shelters designed to provide protection for transit passengers from the elements.
View ProductBallistic Buildings
Buildings designed to provide ballistic protection, suitable for security applications.
View ProductElectrical Houses
Enclosures designed to house electrical equipment, providing protection and organization.
View ProductSecurity Booths
Pre-assembled booths designed for security personnel, available in various sizes and configurations.
View ProductCatwalks
Elevated walkways designed to provide access to equipment or areas above the main floor.
View ProductModular Offices
Custom-designed offices that can be tailored to specific space requirements, offering flexibility and quick installation.
View ProductSafety Gates
Safety features designed to protect personnel working on mezzanines or elevated platforms.
View ProductPrefab Buildings
Pre-engineered buildings suitable for various applications, including offices, storage, and more.
View ProductMetal Stairs
Durable stairs designed for various applications, including access to mezzanines or elevated areas.
View ProductStructural Steel Mezzanines
Custom steel prefabricated storage platforms using a convenient bolt-together system for easy assembly on-site.
View ProductLactation Rooms
Private spaces designed to provide a comfortable environment for nursing mothers in the workplace.
View Product