Built for demanding environments
Specialist vehicles and marine craft face moisture, vibration, pressure differentials and wide temperature variation every mile they operate. Schlegel’s Q-LON composite gaskets are engineered to maintain airtight and watertight performance across the full range of applications: bonded and double-glazed windows, plant-on and flush glass, opening, fixed and vent windows, and access hatches. Coverage extends to radius, mitred and coach-built doors, plus component connections throughout the vehicle.
Why OEM manufacturers specify Schlegel
A failed seal on a bus, train or yacht risks product recalls, vehicles taken out of service and serious disruption to public services. Schlegel guarantees every product for 10 years, with usable service life regularly exceeding that period. This meets the full operational service life expectations of commercial vehicle and marine OEM manufacturers, and the trusted Q-LON composite gasket range is the specified choice for leading brands in commercial vehicle, yacht building and construction equipment sectors across global markets.
From specification to production: a complete design service
Schlegel’s engineering team works directly with OEM designers at the earliest stages of vehicle development, advising seal specification, geometry and material selection before tooling is committed. A custom design service is available for bespoke profiles where standard seals do not meet specific application requirements. Contact the Schlegel team to discuss your project requirements and request a sample or quotation.
Get in Contact
Contact us do discuss every aspect of our sealing solutions for windows and doors.
Technical information, brochures and product data sheets
Access the full Schlegel technical library including product data sheets for Q-LON, brush pile and extruded seals, downloadable brochures covering EN 12365 compliance, and installation guides for timber, aluminium and uPVC applications. All documents are available to download free of charge.