Custom Metal Buildings San Antonio | Commercial & Residential Steel Construction

DTF Metal Buildings designs and constructs custom metal buildings for commercial, residential, and agricultural applications throughout San Antonio and South Texas. Every structure is engineered to your specifications and built to local code.

Full Design-Build Services

We offer complete design-build services under one contract — covering site evaluation, structural engineering, stamped drawings (sealed by a licensed Texas PE), permitting coordination with city and county jurisdictions, foundation work, building erection, and complete interior finish-out. This single-source approach gives you one accountable contractor from concept through final walk-through.

Metal Building Types We Build

  • Commercial Warehouses & Workshops (up to 100,000+ sq ft)
  • Barndominiums & Metal Homes (1,200 – 4,000+ sq ft)
  • Agricultural Buildings, Barns & Hay Storage
  • Equipment Storage & Garages
  • Retail & Office Buildings
  • Carports & Covered Structures
  • Aircraft Hangars & RV Storage
  • Riding Arenas & Equestrian Facilities

Building Sizes Available

From 12x20 storage units up to 100x200+ commercial structures. Common sizes: 30x40, 40x60, 50x80, 60x100, 80x120. Clear-span widths up to 100 ft with no interior columns. Eave heights from 8 ft to 24+ ft.

Insulation & Energy-Efficient Options

We install multiple insulation systems engineered for the South Texas climate:

  • Closed-cell spray foam — R-6.5 to R-7 per inch (highest thermal performance)
  • Open-cell spray foam — R-3.5 per inch (sound dampening + air seal)
  • Fiberglass batt with vinyl-faced backing — R-13 to R-38
  • Rigid board insulation — for walls and ceilings
  • Reflective radiant barriers — reduce attic heat gain by up to 30%
  • Cool-roof Galvalume & Kynar-coated panels — reflective coatings reduce cooling costs
  • Ridge vents, insulated roll-up doors, energy-efficient windows

Customization & Finish Options

Every DTF metal building is fully customizable:

  • Doors — walk-through, roll-up (8x8 to 16x16), sliding barn doors, overhead garage doors, commercial storefront
  • Windows — single-hung, sliding, picture, commercial storefront, custom shapes
  • Roof styles — vertical panel, horizontal panel, A-frame, gable, gambrel, lean-to, shed, mono-slope
  • Roof pitches — 1:12 to 6:12 standard; custom pitches available
  • Colors — 15+ standard panel colors plus custom color matching (Galvalume, Kynar 500, Sherwin-Williams Fluropon)
  • Add-ons — wainscoting, decorative trim, porches, lean-tos, mezzanines, gutters, downspouts, cupolas

Engineering, Permits & Foundations

We coordinate stamped engineered drawings sealed by a licensed Texas PE, assist with permit applications across Bexar, Medina, Atascosa, Frio, Wilson, Uvalde, and surrounding counties, and pour engineered concrete slab foundations sized for your building and South Texas soil conditions (monolithic slab, perimeter footings, or pier-and-beam for sloped sites).

Warranties

20-year manufacturer warranty on roof and wall panels, 25–40 year Galvalume corrosion warranty, 1-year workmanship warranty on installation, plus structural warranties per the engineered drawings.

Free On-Site Consultations

We provide free on-site consultations within our 75-mile service radius from Natalia, TX, with a written quote delivered within 24 hours.