Alert Lock & Key · San Antonio, TX

Division 8
Doors, Frames & Hardware

Supplying and installing commercial doors, hollow metal frames, and architectural hardware for offices, schools, and construction projects across San Antonio and South Texas.

Division 8 covers all openings in a construction project — doors, frames, hardware, glazing, and specialties. Alert Lock & Key is your single-source supplier and installer for the complete Division 8 scope on commercial and institutional projects.

What We Do

Complete Division 8 Services

Commercial Doors & Frames

We supply and install hollow metal doors and frames, aluminum storefront doors, and specialty fire-rated assemblies for offices, schools, hospitals, and government facilities.

  • Hollow metal doors & frames
  • Aluminum & glass entrances
  • Fire-rated door assemblies
  • Flush & stile-and-rail doors

Door Hardware

Full specification and supply of architectural door hardware — from cylindrical and mortise locksets to exit devices, closers, hinges, and electrified hardware for access-controlled openings.

  • Mortise & cylindrical locksets
  • Panic bars & exit devices
  • Door closers & hinges
  • Electrified & access hardware

Professional Installation

Our licensed crews handle complete Division 8 installation — frames set in masonry or drywall, doors hung and adjusted, hardware installed and tested to manufacturer specs and ADA requirements.

  • Frame installation
  • Door hanging & adjustment
  • Hardware installation & testing
  • ADA compliance verification

Openings Consulting & Scheduling

We work directly with GCs, architects, and owners to produce hardware schedules, submittals, and shop drawings — keeping your project on time and on spec from bid to closeout.

  • Hardware schedules & submittals
  • Shop drawings & cut sheets
  • Specification writing support
  • Keying schedules & master key systems

Markets We Serve

Built for Every Commercial Project Type

Office Buildings

K–12 Schools

Higher Education

Government Facilities

Healthcare

Retail & Mixed-Use

Industrial & Warehouse

Multi-Family Housing

Project Gallery

Division 8 in the Field

Commercial door and frame installation

Commercial Doors & Frames

Hollow metal, aluminum & glass

School building corridor with institutional doors

Schools & Institutions

K–12, universities & government

Construction crew installing commercial door hardware

Expert Installation

Licensed crews, on-spec delivery

Why Alert Lock & Key

San Antonio's Division 8 Specialist

With nearly 40 years in the industry, Alert Lock & Key brings deep expertise to every Division 8 opening. We work seamlessly with general contractors, architects, and owners — from hardware specification and submittal through final hardware installation and keying. One vendor, one point of contact, zero surprises.

  • Licensed & bonded contractor
  • Certified hardware consultants
  • Hollow metal & aluminum specialists
  • Fire-rated opening expertise
  • ADA-compliant installations
  • Master key system integration
  • Serving San Antonio since 1976
  • GC & architect preferred vendor

Bidding a Project?

Send us your plans and specs. We'll provide a complete Division 8 takeoff, hardware schedule, and competitive quote — fast enough to meet your bid deadline.

Licensed · Bonded · Insured · Est. 1976