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Glass and Glazing Contractors

NAICS 238150 · Specialty Trade Contractors · SBA size standard: $19 million average annual receipts

Glass and glazing contractors bid on commercial and residential projects, fabricate and install windows, storefronts, curtain walls, skylights, shower doors and mirrors. Specialists turn inquiries into bids, bids into schedules and material orders, schedules into sequenced installation plans with safety and weather constraints, and completed work into punch lists and invoices. Glass handling, structural calculations, mock-ups and permit drawings stay with licensed glaziers and engineers.

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What makes this business different

  • Project bids that include labor, fabricated glass, sealants, hardware and delivery with exact measurements and tolerances
  • Sequenced installation tied to general contractor schedules, weather windows and building occupancy
  • Glass and aluminum inventory with breakage tracking and just-in-time delivery to job sites
  • Crane, lift and scaffolding coordination plus fall-protection and glass-handling safety protocols
  • Shop drawings, structural engineering stamps, mock-up approvals and building department submittals
  • Change orders, daily reports, lien waivers and retention billing that must be approved before payment
  • Warranty tracking for seal failure, breakage and installation defects on commercial and residential jobs

Specialist bots

  • a worker at a workbench measuring dimensions on large blueprints with scale rulers and glass samples

    Bid and Takeoff Estimator

    Convert project documents into accurate glass, metal and labor takeoffs and draft competitive bids.

    Works in: Ambitious Sheets, Ambitious Docs, Ambitious Tasks · Workflows: Bid and estimate preparation

    Automates

    • Reads architectural drawings and specifications
    • Calculates square footage and counts for each glass type
    • Applies current material and labor pricing
    • Drafts bid forms and clarifications
    • Assembles required licensing and insurance exhibits

    Stops for a person

    • The senior estimator reviews and adjusts final pricing and exclusions
    • The owner approves and signs every bid submission
  • a worker reviewing a printed project schedule taped to a jobsite trailer wall while holding a hard hat

    Project Scheduler

    Build and maintain integrated project schedules that align glazing work with general contractor milestones and weather constraints.

    Works in: Construction Scheduler, Ambitious Sheets, Ambitious Tasks · Workflows: Project scheduling and sequencing

    Automates

    • Maps glazing tasks to the master schedule
    • Identifies weather-sensitive exterior activities
    • Reserves equipment and crew slots
    • Generates daily look-ahead lists
    • Flags schedule conflicts immediately

    Stops for a person

    • The project manager approves all schedule updates sent to the general contractor
    • Field crews confirm actual start and finish dates
  • a worker carefully loading large insulated glass units onto a padded A-frame cart inside a warehouse

    Material Procurement Coordinator

    Turn approved drawings into fabrication orders, track deliveries and maintain glass and hardware inventory across jobs.

    Works in: Ambitious Sheets, Ambitious Tasks, Ambitious Docs · Workflows: Material procurement and fabrication

    Automates

    • Creates glass and aluminum fabrication orders
    • Schedules deliveries to match installation dates
    • Tracks breakage and overages per project
    • Maintains par levels for common storefront parts

    Stops for a person

    • The owner approves all purchase orders and expenditures
    • The shop foreman verifies fabricated glass meets specifications before shipment
  • a worker reviewing a large shop drawing printout at a jobsite desk surrounded by rolled plans

    Submittal and Permit Clerk

    Assemble, track and expedite shop drawings, engineering stamps, mock-ups and permit applications.

    Works in: Ambitious Docs, Ambitious Tasks, Ambitious Sheets · Workflows: Submittal and permit coordination

    Automates

    • Compiles drawing packages and product data sheets
    • Routes submittals for review and approval
    • Tracks permit expiration and renewal dates
    • Maintains approval logs and as-built records

    Stops for a person

    • Licensed engineers and architects stamp and sign drawings
    • The project manager confirms every submittal before sending
    • People handle all building department interactions
  • a worker on a scaffold setting a large glass panel into an aluminum storefront frame on a building exterior

    Field Installation Dispatcher

    Assign daily installation tasks to crews, track progress and coordinate equipment and material deliveries to the site.

    Works in: Ambitious Tasks, Construction Scheduler, Ambitious Docs · Workflows: Field installation and daily reporting

    Automates

    • Generates crew task lists from the project schedule
    • Logs daily progress and photos
    • Tracks labor hours and material usage
    • Creates punch list items as areas complete

    Stops for a person

    • Crew leads approve daily reports before submission
    • The superintendent confirms all safety and access requirements are met on site
  • a worker at a jobsite office desk organizing signed change orders and lien waiver forms next to a laptop

    Billing and Closeout Specialist

    Compile progress quantities, change orders and lien waivers to generate accurate monthly invoices and final closeout packages.

    Works in: Ambitious Sheets, Ambitious Docs, Ambitious Tasks · Workflows: Progress billing and project closeout

    Automates

    • Calculates percent complete from field reports
    • Summarizes approved change orders
    • Drafts conditional and unconditional lien waivers
    • Assembles warranty and as-built binders

    Stops for a person

    • The owner reviews and signs every invoice and waiver
    • Project managers verify quantities before billing
  • a worker on a ladder removing a cracked glass panel from a building curtain wall

    Warranty Service Coordinator

    Log and classify warranty claims, schedule repairs and document resolutions while maintaining project history.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: Warranty and service call management

    Automates

    • Records incoming service requests against original projects
    • Classifies claims by warranty type and responsibility
    • Schedules repair crews and replacement materials
    • Closes tickets after repair photos are logged

    Stops for a person

    • The project manager determines warranty coverage and approves repairs
    • Technicians confirm field conditions before any glass replacement

Workflows

Bid and estimate preparation

Starts when: New project inquiry or invitation to bid arrives

  1. Extract scope, drawings, schedule and specifications from documents
  2. Perform takeoff of glass quantities, aluminum framing, sealants and hardware
  3. Pull current material pricing and labor rates
  4. Draft the complete bid package with exclusions and clarifications
  5. Attach required insurance, bonding and licensing documents

Watch for: Glass and metal prices fluctuate weekly; Bid deadlines are strict and often require same-day turnaround

Project scheduling and sequencing

Starts when: Contract is awarded or notice to proceed is received

  1. Align glazing milestones with general contractor master schedule
  2. Break work into mobilization, shop drawing, fabrication, delivery and installation phases
  3. Reserve equipment, lifts and crews for each phase
  4. Flag weather-sensitive exterior glazing windows
  5. Create daily look-ahead tasks for the field crew

Watch for: Exterior glazing cannot proceed in high wind or rain; Interior work often follows building enclosure and HVAC

Material procurement and fabrication

Starts when: Approved shop drawings and material release

  1. Generate fabrication orders for tempered, insulated and laminated glass
  2. Order aluminum extrusions, gaskets, sealants and custom hardware
  3. Coordinate delivery dates to match installation windows
  4. Track breakage and overage on each job
  5. Maintain inventory of standard storefront components

Watch for: Lead times for custom glass and specialty coatings can exceed six weeks; Glass must be stored upright and protected from edge damage

Submittal and permit coordination

Starts when: Contract award and on recurring permit dates

  1. Compile shop drawings, engineering calculations, product data and mock-up plans
  2. Route submittals for architect and engineer review
  3. Prepare and file building permit applications with required stamps
  4. Track approval status and expedite missing items
  5. Maintain as-built drawings and warranty binders

Watch for: Many jurisdictions require wet-stamped structural calculations; Mock-ups must be physically built and approved before production

Field installation and daily reporting

Starts when: Material arrives on site and access is granted

  1. Generate daily task list for each crew and location
  2. Log installation progress, photos and any field conditions
  3. Track labor hours against estimate
  4. Flag deficiencies or missing materials immediately
  5. Prepare punch list items as areas are completed

Watch for: Crew must follow site-specific safety and access rules; Glass units are heavy and require multiple workers or equipment

Progress billing and project closeout

Starts when: Monthly or at project milestones

  1. Compile percent-complete quantities and labor hours
  2. Generate conditional lien waivers and backup documentation
  3. Draft invoice with change order summary
  4. Track retention release schedule
  5. Assemble final warranty, as-builts and maintenance manuals

Watch for: Retention is often held for one year after substantial completion; All change orders must be signed before billing

Warranty and service call management

Starts when: Customer reports leak, breakage or seal failure

  1. Log the issue against the original project and warranty terms
  2. Determine if cause is installation, material or owner damage
  3. Schedule repair crew and order replacement glass if needed
  4. Document repair and close the warranty ticket
  5. Update project records for future reference

Watch for: Glass warranties differ by product type and exposure; Access to high-rise or occupied buildings requires coordination

Bot templates for this industry

Source: U.S. Small Business Administration, Office of Size Standards, Table of Small Business Size Standards Matched to North American Industry Classification System Codes, version March 2023 (effective 2023-03-17, NAICS 2022). Size standards are shown for reference only.