PPG Aerospace® Boeing Hump Seal Repair Kit — Complete Aerodynamic Seal Restoration
Aviation-grade. Boeing-specific. Built for speed and precision.
Engineered exclusively for Boeing aircraft hump seal maintenance, this all-in-one repair kit gives aviation technicians everything needed to restore aerodynamic integrity quickly and reliably — minimizing aircraft downtime and maximizing operational performance.
⚠️ Aviation Use Only: This kit is engineered to meet or exceed rigorous aerospace industry standards. For use by qualified aircraft maintenance technicians only.
What's Included in the Kit
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Polysulfide Sealant
Premium aviation-grade sealant formulated for hump seal restoration
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Seal Forming Tool
Custom-designed for Boeing windshield models for precise application
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Adhesion Promoter
Professional-grade primer for maximum sealant bond strength
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Application Tape
Ensures clean, defined edges for a professional finish
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Precision Razor Blades
For accurate trimming and surface preparation
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Technical Instructions
Clear step-by-step guidance for consistent, high-quality repairs
Why Choose This Kit?
Reduces Aircraft Downtime
Streamlined repair process significantly cuts turnaround time — keeping Boeing aircraft operational and on schedule.
Restores Fuel Efficiency
Returning hump seals to optimal condition restores the aerodynamic profile, directly improving fuel burn performance.
Meets Aerospace Standards
Every component is developed to meet or exceed rigorous aerospace industry requirements — no compromises on quality or safety.
Complete All-in-One Solution
No need to source individual parts. Every tool, material, and instruction needed for a professional repair is included.
Boeing-Specific Engineering
Designed specifically for Boeing aircraft hump seal geometry — ensures a precise fit and consistent seal profile every time.
Structural Integrity Maintained
Lasting repairs protect the aircraft's aerodynamic profile and structural performance through every flight cycle.
Ideal For
Boeing 737 FamilyBoeing 747Boeing 757 / 767Boeing 777 / 787Line MaintenanceMRO FacilitiesHump Seal RestorationAerodynamic Maintenance
PPG Aerospace Quality Assurance
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Aerospace-Grade Standards
Meets or exceeds rigorous aviation maintenance and safety requirements
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Fuel Efficiency Restored
Restores aerodynamic profile to reduce drag and improve fuel burn
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Trusted by MROs Globally
PPG Aerospace expertise relied upon by airlines and maintenance teams worldwide
Tips for Best Results
✓ Thoroughly clean and dry the hump seal area before applying adhesion promoter
✓ Apply masking tape cleanly along seal edges before dispensing sealant for a professional finish
✓ Use the forming tool in one smooth, continuous stroke for a uniform seal profile
✓ Allow full sealant cure time before returning the aircraft to service — refer to the included technical instructions
✓ Store unused sealant components sealed and away from direct sunlight or extreme temperatures
⚠️ Safety & Compliance Notice: This product is intended for use by qualified aircraft maintenance technicians only. Always follow applicable Boeing Aircraft Maintenance Manual (AMM) procedures, safety protocols, and regulatory requirements before performing hump seal repairs.
PPG Aerospace® is a registered trademark of PPG Industries. Kit contents and configuration may vary by aircraft model.
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