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United Integrated Services USA

Firestop Installer

Building TradesConfirmed live in the last 24 hours
Full-timePhoenix, AZ, USANo salary listed

About the Job

Requirements

  • Prior hands-on firestop installation experience in a commercial or industrial construction setting is required.
  • Experience installing STI, 3M, and Hilti firestop products is required.
  • Ability to read and follow UL-listed firestop system drawings and Engineering Judgment (EJ) details is required.
  • Ability to compare field conditions with approved details, document completed work, and report discrepancies.
  • Working knowledge of firestop materials, substrate preparation, backing materials, and installation tools.
  • Ability to safely use construction hand and power tools.
  • Ability to work at heights and use fall protection, including harnesses and self-retracting lifelines (SRLs).
  • Ability to identify installation issues and support inspection or punch-list corrections.
  • Ability to safely lift and carry materials and perform physical construction work.
  • Attention to detail when measuring openings and installing firestop systems.
  • Ability to work effectively with supervisors, a crew, and other trades.
  • Ability to work the required schedule, including overtime and Saturday shifts when needed.
  • Must have and maintain a valid driver’s license.
  • Must meet the physical demands of the role, including prolonged standing and walking; frequently lifting, carrying, pushing, and pulling up to 50 pounds; bending, stooping, kneeling, crouching, and reaching; repetitive hand, wrist, and arm motions; climbing ladders, stairs, or elevated surfaces; and maintaining visual acuity, balance, and coordination.
  • Must use required personal protective equipment, including hard hats, safety glasses, gloves, steel-toe boots, and high-visibility vests.
  • Must follow company and site safety requirements.

Responsibilities

  • Install firestop systems for penetrations and joints in rated walls and floors as detailed in approved project documents.
  • Install STI, 3M, and Hilti firestop products in accordance with the approved system and product instructions.
  • Read and follow UL-listed firestop system drawings and listed installation requirements.
  • Read and follow applicable Engineering Judgment (EJ) details and report field differences to the supervisor.
  • Inspect openings, penetrants, sleeves, and substrates before installation to confirm they match the approved system.
  • Measure openings and annular spaces; prepare surfaces as required by the approved firestop system.
  • Install backing materials and firestop components, including sealants, mortar, putty, wraps, collars, or pillows as specified.
  • Apply firestop materials to the specified depth and configuration using the required tools and methods.
  • Coordinate access and work sequence with supervisors and other trades.
  • Inspect completed work for gaps or missed areas and correct installation issues as directed.
  • Document completed work, locations, system details, and photographs when required.
  • Protect adjacent equipment, finishes, and installed work from damage or contamination.
  • Operate hand and power tools safely for firestop preparation and installation.
  • Handle and stage firestop materials in accordance with product instructions and site requirements.
  • Check product labels and condition; report damaged or expired materials before use.
  • Work from ladders or elevated surfaces when assigned and use required fall-protection equipment.
  • Keep the work area clean and remove firestop waste and debris in accordance with site procedures.
  • Enter confined spaces only when authorized, trained, and covered by applicable permit and safety procedures.
  • Maintain required work permits and installation documentation as directed.
  • Follow supervisor instructions and promptly report questions or field conflicts.
  • Perform other firestop or related construction duties as assigned.
  • Travel to other sites within Arizona when required to perform certain work functions.

Desired Qualifications

  • Firestop manufacturer training or certification is preferred.
  • Experience supporting firestop inspections, installation records, or punch-list closeout is preferred.
  • A High School Diploma or GED is preferred.

About the Company

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