Industry-certified polysulfide sealant precision-formulated for De Havilland hump seal restoration

Custom-designed for De Havilland aircraft geometry — ensuring a precise, consistent seal profile every time

Professional-grade primer ensuring maximum sealant bond strength on De Havilland airframe surfaces

Ensures clean, defined edges for a professional finish on every repair

For accurate trimming and surface preparation prior to sealing

Clear, step-by-step guidance designed to minimize aircraft downtime and ensure reliable results

Every component needed for efficient De Havilland hump seal restoration is included — a fully self-contained solution that eliminates the need to source individual parts.

User-friendly instructions and purpose-built components minimize aircraft downtime — enabling technicians to complete quick, reliable hump seal restorations with confidence.

Delivers significant savings compared to traditional repair methods — a cost-effective solution that maintains industry-certified quality without compromising performance or safety.

Engineered to meet rigorous aerospace standards and specifications — every component is validated to ensure long-term reliability and airworthiness compliance.

Hump seal damage directly impacts aerodynamic efficiency and fuel consumption. This kit restores optimal seal geometry — recovering performance lost to critical seal damage.

Safeguards your De Havilland aircraft's operational integrity and performance longevity — supporting continued airworthiness and fleet reliability over the long term.

Engineered to meet rigorous aerospace standards and specifications for long-term reliability

Restores optimal seal geometry to recover fuel efficiency and aerodynamic performance

PPG Aerospace's proven expertise trusted by De Havilland operators and MROs worldwide