Colorado steel contractor
Structural floors, fabrication & mobile welding
From engineered structural floors to custom railings and gates, we build it in steel. We fabricate in our own shop and bring the welder to your site.
Fully insuredGeneral liability + workers' comp
30 years of experienceIn business since 2016
Welcome
Welcome to Black Steel
Black Steel started in 2016, built on 30 years of hands-on welding experience. Today we build structural floors for Colorado homes and take on welding and fabrication work of every size, from a single gate to commercial steel.
Whether you're a builder who needs a floor set on schedule, a business that needs steel repaired, or a homeowner who wants a custom railing, you'll work directly with the people who do the work. Thanks for stopping by. We'd like to hear about your project.
Brian VarelaProject Manager
What We Do
Three ways we work in steel
Structural FloorsSteel and concrete basement floors that stay put on Colorado's expansive soil.Steel beams + metal deck + concreteStructural concrete slabs
Hybrid steel systemsLearn more →
Welding & FabricationCustom steel built in our shop, and a welder who comes to you.Mobile weldingMetal fabrication
Metal railings & gatesLearn more →
Commercial WeldingSteel work for general contractors, property managers, and businesses.Structural steelMiscellaneous metals
Repairs & maintenanceLearn more →
Recent Work
Real jobs, real photos
Structural floor
Steel beam grid set on the foundation walls.
Commercial
Steel entry canopy on concrete columns.
Residential
Steel columns and beams for a two-story covered patio.