Specializing in Commercial & Industrial Contracting Firestopping Applications.

Through-Penetration Firestop Sealing
Electrical Membrane Opening Protection
Top-of-Wall
Perimeter Edge
Curtain Wall Insulation
Rigid and flexible Grease Duct Protection
Miscellaneous special conditions requiring creative resolutions to minimize expense to our customer

The firestopping specialty contracting services operates under Luse Thermal Technologies, LLC (LTT). We have on staff over 50 years of combined experience selecting and installing firestop systems utilizing the most current UL designs. When live conditions dictate the need for an adjustment to the tested systems, we secure engineering judgments which allow the job to continue at a productive pace.

Luse Thermal Technologies, LLC (LTT)., has a written quality assurance program and has obtained Factory Mutual certification as an FM4991 Approved Firestop Contractor. Our customers always benefit because our crews are taught to adhere to this performance bar whether the job calls for the FM standard or not.

LTT adheres to a philosophy of customer satisfaction which demands -all inspection schedules are met; always pass inspections; no call backs; complete and accurate bid packages (no change orders to build margin); adherence to your site schedules, and immediate flexibility to support your on-site supervision needs. Since our inception, we have had zero incidents or accidents. We have also met or exceeded our performance standards on every job. Since 1923, the Luse name has a reputation of completion on every job we started. Whether your projects are high rise towers, industrial plants or nuclear and/or fossil power plants, LTT is ready to tackle and solve your specialty firestopping issues, just give us a call. Ask for Jim Ford.

For Immediate Service call Jim Ford at (630) 862-2672 or Martin Rozboril at (630) 862-2627, fax your requirements at 630-862-2673 or 862-2674 or email us at mrozboril@luse.com. We are located at 3990 Enterprise, Court, Aurora, IL 60504. Stop in and say hello and take a tour of our 80,000 square foot facility. Our sense of urgency to your needs will make us a value added part of your construction team! References available on request. 


Phase 1 of a fire protection package designed & installed by LTT

Upgrade firestop designs

Installation of firestopping in sub-station floor
      (ceiling of basement)to maintain the fire rating of
      the floor slab.
Firestopping work performed from underneath the floor.
Custom Hilti Firestop Designs
Trained Installation Personnel










Example basement and fire barrier penetration seals



Phase 2 of a fire protection package designed & installed by LTT

Power cable wrap solution

Upon exposure to fire, EP3990 Wrap forms a char layer
      (similar to ceramic cell structure)which helps protect
      the underlying cable.
This wrap is not designed to contain an arc blast.















Phase 3 of a fire protection package designed & installed by LTT

Control cable protection

High temperature fabric provides thermal
      protection for control cables inside of cable tray
Air gap between fabric and cable tray shields
      cables from direct flame exposure.



















Phase 4 of a fire protection package designed & installed by LTT

Radiant energy shield

Open hatch with radiant heat shield applied.

Closed hatch with radiant heat shield.