BUMPER REPAIR & WELDING.
Thermoplastic Engineering

BUMPER REPAIR & WELDING.
STRUCTURAL INTEGRITY RESTORED.

Cracked, torn, or scuffed bumper? Don't pay thousands for OEM replacement. We fuse high-grade thermoplastic polymers and bake-cure paint to factory perfection.

Advanced Plastic Welding

MOLECULAR POLYMER FUSION VS REPLACEMENT

Modern automotive bumpers are crafted from Polypropylene (PP), Polyurethane (PUR), and ABS polymers. Instead of brittle body fillers, we use nitrogen plastic welders and reinforced stainless steel mesh to restore original structural flexibility.

Nitrogen Hot-Gas Welding

Eliminates oxygen during melting to prevent polymer degradation, creating welds stronger than original plastic.

Mounting Tab Reconstruction

Rebuilds snapped headlight and fender retaining tabs so the bumper clips back tightly with zero panel gaps.

Eco-Friendly & Cost Effective

Saves up to 60% compared to buying raw unpainted plastic shells and disposing of repairable bumpers in landfills.

MOLECULAR POLYMER FUSION VS REPLACEMENT

Hot-gas nitrogen plastic welding on bumper mounting tabs.

ADAS Sensor Safety

RADAR & ULTRASONIC SENSOR CALIBRATION

Bumpers house critical Advanced Driver Assistance Systems (ADAS) including blind-spot monitoring radars, parking sensors, and automated emergency braking emitters.

Blind-Spot Radar Retaining

Ensures bumper material thickness across radar transmission cones matches strict OEM millimeter tolerances.

Ultrasonic Sensor Alignment

Corrects sensor bevel angles so backup proximity alarms function without false triggers.

Flex-Additive Paint Blending

Applies elastomeric flex agents into basecoat and clearcoat formulations to prevent spider-web cracking upon road flex.

RADAR & ULTRASONIC SENSOR CALIBRATION

Digital alignment verification for bumper-mounted ultrasonic sensors.

Complete Process

THE BUMPER RESTORATION LIFECYCLE

From initial impact diagnosis to downdraft bake-curing, every bumper is processed through our multi-step refinishing protocol.

1. Disassembly & Subframe Inspection

Removing bumper fascia to inspect crash absorption foam and energy-absorbing impact bars.

2. Thermal Polymer Welding

Deep V-groove preparation and backfill with matching thermoplastic welding rods.

3. Adhesion Promoter & Primer

Electrostatic plastic primer application ensuring permanent chemical bond with basecoat.

4. Baked Refinishing & ADAS Verification

60°C booth bake cycle followed by diagnostic scanner clearing of all collision fault codes.

THE BUMPER RESTORATION LIFECYCLE

Bumper remounted with OEM flush fitment and mirror gloss finish.

Q&A

Frequently Asked Questions

Clear answers regarding auto collision, insurance claims, paint matching, and warranties in Quebec.

01. Can a torn or split bumper really be repaired safely?

Yes. Using industrial nitrogen plastic welders and structural stainless-steel mesh reinforcement, we fuse the plastic at a molecular level, creating a repair as flexible and durable as the original bumper.

02. How do you match the bumper color to the rest of the car?

We use computerized spectrophotometers to scan your vehicle's adjacent fenders and hoods. We custom mix paint with plastic flex additives and apply blended clearcoat inside our downdraft spray booth.

03. How long does a bumper repair take?

Most minor scuffs and crack repairs take 1 to 2 business days. Complete tab reconstructions and sensor recalibrations are typically completed in 48 hours.

04. Do you repair cracked front splitters and rear diffusers?

Yes, we repair ABS, polypropylene, and fiberglass front lips, aerodynamic splitters, and rear bumper diffusers for domestic, European, and sports vehicles.

Northstar Auto · Laval

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Our Location

60 Rue Gélinas
Laval, QC H7M 2Z5
Quebec, Canada

Call Us

(514) 581-1433

Business Hours

  • Mon - Fri: 9:00 AM - 5:00 PM
  • Saturday: 11:00 AM - 2:00 PM
  • Sunday: Closed