Securistyle Defender Standard Window Friction Hinge (Top Hung) (Choice of length and stack height) Smooth, effortless operation These friction hinges are designed to hold top-hung uPVC or aluminium windows securely in any open position, providing smooth and effortless operation. They offer reliable performance while improving weather sealing and draught proofing, ensuring comfort and energy efficiency in your home. Engineered with a unique, robust cam friction device and asymmetrical vent arm, these hinges allow easy friction adjustment without metal-to-metal contact. Additional design features, including a lipped slider, enclosed end cap, and slot-hole-slot format, provide smooth movement, accurate closure, debris protection, and simple vent adjustment. They are tested to BS EN standards to ensure long-lasting durability and reliable performance. Features & Benefits Enhanced weather sealing – enclosed end caps, asymmetric location system and profiled vent all help Long life expectancy – uses thermoplastic components and tested to 30,000 cycles Smooth operation – patented lipped slider Easy friction adjustment – without metal-to-metal contact Friction screw misuse eliminated – robust cam friction device High standard weather sealing – BS6375 Part 1 Quality Ferritic steel – BS EN ISO 10088/2 Grade 1.4016
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