Functional Fenestration Inc (FFI) has gasketing and weatherseals for lift slide, multi-slide and other FFI systems, including welded corner gasketing.

Servitek Tek-Lon Weather Stripping: New!

Functional Fenestration Inc (FFI) is now offering Servitek Tek-Lon weather stripping in the USA market. Servitek has more than 30 years experience in weather seal products, offering unique performance, exceptional durability, and competitive pricing.

Tek-Lon high-performance products offer the best available thermal performance, stability, durability, and a 10-year limited warranty. Materials include PE coating, PU foam, TPE and PP kerfs.

Tek-Lon seals can pass AAMA 702-23 Class A certification; Servitek can help with certification of weatherstrips if the application requires it and MOQ is met. Any shape, length, color available by Special Order with MOQ.